Best Travel Power Bank for Flying and International Trips (2026)

The best travel power bank for most people is the Anker Power Bank 20K 87W. It holds 20,000 mAh (about 74 Wh, under the 100 Wh airline limit), charges an iPhone 17 about three times, puts out 65 W from one port for a laptop and has its own USB-C cable, so nothing gets left at home. If you fly with a laptop, the UGREEN Nexode 25K 145W holds 25,000 mAh under the 100 Wh limit and delivers 140 W from a single port. If you only need to keep a phone alive, the INIU 10K 45W costs about $24, and its 10K line is among the banks travelers on Reddit name most often.

Flying with a power bank changed in 2026. Since 27 March 2026, ICAO rules limit each passenger to two power banks, ban recharging a bank from the seat power and advise against using one to charge a phone during the flight. Emirates, Singapore Airlines, Cathay Pacific, Lufthansa, Qantas and more than 20 other airlines now ban in-flight use outright. Every pick in this guide is under 100 Wh, so it goes through security in a carry-on anywhere in the world.

This guide compares 15 travel power banks sold on Amazon in the US by capacity, watt-hours, output, weight and price. It covers the 2026 airline rules for 47 regulators and airlines, a watt-hour calculator, the power bank recalls of 2025 and 2026, the best travel charger and plug adapter to pair with a bank and what travelers recommend in 138 Reddit threads.

Quick answer: the Anker 20K 87W is the best travel power bank overall. The UGREEN Nexode 25K 145W is the best for flying with a laptop. The INIU 10K 45W is the budget pick at about $24. Any bank rated 100 Wh or less flies in your carry-on without airline approval; no power bank may go in checked luggage.

What changed for power banks on planes in 2026

Three rules now apply on most flights, and the first two are new this year:

• Two power banks per person. ICAO’s addendum to the dangerous goods rules applies from 27 March 2026. The UK, Hong Kong, Taiwan, Singapore, Korea and Japan wrote the same limit into national rules between March and April 2026. Southwest, Emirates, flydubai and Etihad allow only one.
• No recharging the bank on board. ICAO and IATA bar charging a power bank from the aircraft’s power, and most airlines in Asia, the Middle East and Europe now ban using a bank at all during the flight.
• Carry-on only, 100 Wh without approval. A power bank is a spare lithium battery, so it never goes in checked luggage. Up to 100 Wh needs no approval; 101 to 160 Wh needs the airline’s approval; over 160 Wh is forbidden. IATA drops the 101 to 160 Wh approval route for power banks from 1 January 2027, and Japan Airlines says its 160 Wh limit may fall to 100 Wh the same month.

ICAO cites a January 2025 cabin fire that likely started with a lithium battery in an overhead bin. IATA’s 2026 guidance says power banks should not be stored in the overhead lockers, and in July 2025 a power bank in a backpack in a Virgin Australia overhead locker went into thermal runaway about 10 minutes before landing. Keep the bank in the seat pocket or a bag under the seat, where you or the crew can reach it.

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The best travel power banks of 2026

Prices are Amazon US prices on October 13, 2026. Capacities, outputs and weights are the makers’ figures from the listing; where a listing prints no watt-hour rating, the card shows the figure at 3.7 V and marks it as computed. Every pick is under 100 Wh. The picks are in rank order, and each one is matched to a job:

• Phone only, day trips: INIU 10K 45W, Nitecore NB10000 or Anker Nano 5K.
• iPhone, no cable: UGREEN MagFlow 10K Qi2 or Anker Nano Magnetic 5K.
• Laptop on the plane: UGREEN Nexode 25K 145W, Anker Laptop 25K 165W, INIU 25K 100W or Anker Prime 26K 300W.
• Long-haul and two or more devices: Anker 20K 87W or UGREEN Nexode 20K 45W.
• China domestic flights: Baseus 20K 45W, the only pick whose listing states a 3C (CCC) mark.
• One fewer thing to pack: Anker Nano 3-in-1, a power bank and a wall charger in one.
• Under $30: INIU 10K 45W, INIU 20K 22.5W, Anker 10K 30W or Anker Nano 5K.

Best travel power bank overall: Anker 20K 87W

The Anker 20K 87W does the most travel jobs in one body. Its 20,000 mAh (about 74 Wh) gives roughly three iPhone 17 charges or most of a MacBook Air charge, and one port delivers 65 W, which Anker says takes a MacBook Air to about 52% in 30 minutes. A built-in USB-C cable plus a USB-C and a USB-A port charge three devices at once. TechRadar names it the best compact power bank for phones and laptops. At 431 g (15.2 oz) it is heavier than a 10K bank, and travelers in the Reddit threads we read call 20K more than a phone-only trip needs. It costs about $60.

#1

Best travel power bank overall

Anker 20K 87W

Best for: A phone, tablet or thin laptop on a long flight, with no cable to pack.

The Anker A1383 holds 20,000 mAh, about 74 Wh at 3.7 V, which is under the 100 Wh carry-on limit. It outputs 87 W in total and 65 W on one port, enough to charge a MacBook Air as well as a phone. The built-in USB-C cable is rated for 10,000 bends.

• TypeEveryday power bank
• Capacity20,000 mAh
• Energy74 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output87 W max, 65 W single port
• Recharge input65 W in
• Ports1 USB-C, 1 USB-A
• Built-in cableUSB-C
• ExtrasDisplay
• Weight431 g (15.2 oz)
• Size157 x 73 x 26 mm (6.2 x 2.9 x 1 in)

Pros

• 87 W in total with 65 W on one port, enough for a MacBook Air
• Built-in USB-C cable plus a USB-C and a USB-A port, 3 devices at once
• About 74 Wh, under the 100 Wh carry-on limit

Cons

• 431 g and 157 x 73 x 26 mm, too large for a pocket
• Owner reviews call the percentage display inaccurate
• The listing does not mention China 3C certification

Wh is computed at 3.7 V. Listing weights run from 431 g (spec row) to 440 g (comparison table); 431 g is used. Recharge input is 65 W per the listing text.

Price $31 to $70 Check price on Amazon

Best budget travel power bank: INIU 10K 45W

The INIU 10K 45W costs about $24 and carries more Amazon ratings than any other pick, close to 88,000 at 4.4 stars. It puts out 45 W from two USB-C ports and one USB-A port, supports pass-through charging and gives about 1.6 iPhone 17 charges. INIU’s 10K line appears in 32 of the 138 Reddit threads we read, second among single models only to the Nitecore NB10000 and tied with Anker’s magnetic banks, and owners report that it delivers close to its rated capacity. The listing gives three different weights (160 to 230 g). The INIU recall of December 2025 covers a different model, the BI-B41, made in 2021 and 2022.

#2

Best budget travel power bank

INIU 10K 45W

Best for: A phone and a tablet on a budget, in a bank that weighs 181 g.

The INIU P41 holds 10,000 mAh, about 37 Wh, and outputs 45 W from two USB-C ports and one USB-A port. It costs $24 and weighs 181 g. A 0.4 ft braided USB-C lanyard cable is included in the box.

• TypePocket power bank
• Capacity10,000 mAh
• Energy37 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output45 W max, 45 W single port
• Ports2 USB-C, 1 USB-A
• ExtrasDisplay, Pass-through charging
• Weight181 g (6.4 oz)
• Size109 x 69 x 18 mm (4.3 x 2.7 x 0.7 in)

Pros

• 45 W output from two USB-C ports and one USB-A port
• About 37 Wh, under the 100 Wh carry-on limit
• Pass-through charging and a 0.4 ft USB-C cable included

Cons

• The cable is detachable, not built in
• Charge level shows as a four-step paw icon, not a percentage

Wh is computed at 3.7 V. The listing gives three weights (160 g, 181 g and 230 g); 181 g (6.4 oz) is the manufacturer table figure and is used. INIU recalled a different model, the BI-B41, in December 2025; this is the P41.

Price $30 or less Check price on Amazon

Best power bank for flying with a laptop: UGREEN Nexode 25K 145W

The UGREEN Nexode 25K holds 25,000 mAh, which comes to 90 to 92.5 Wh depending on the cell voltage, so it flies without airline approval. One USB-C port delivers 140 W, enough for a 16-inch MacBook Pro, and its two USB-C ports and one USB-A port share 145 W. That is about one full MacBook Air 13 charge or four iPhone charges. TechRadar Australia picks it as its best power bank for travel. It weighs 505 g, reviewers report heat above 100 W of output, and its 65 W input takes about two hours to refill. It has no built-in cable. It costs about $80.

#3

Best power bank for flying with a laptop

UGREEN Nexode 25K 145W

Best for: A 16 in laptop and a phone on a flight, in one bank under 100 Wh.

The UGREEN PB205 holds 25,000 mAh, about 92.5 Wh at 3.7 V, so it fits the 100 Wh limit. One USB-C port outputs up to 140 W and the total is 145 W, which UGREEN says takes a 16 in MacBook Pro to 56% in 30 minutes. It recharges at up to 65 W in about 2 hours.

• TypeLaptop power bank
• Capacity25,000 mAh
• Energy92.5 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output145 W max, 140 W single port
• Recharge input65 W in
• Ports2 USB-C, 1 USB-A
• ExtrasDisplay, Pass-through charging
• Weight505 g (17.8 oz)
• Size160 x 81 x 28 mm (6.3 x 3.2 x 1.1 in)

Pros

• 140 W on one USB-C port and 145 W in total
• About 92.5 Wh, under the 100 Wh carry-on limit
• Recharges at up to 65 W in about 2 hours

Cons

• 505 g and 160 x 81 x 28 mm
• No built-in cable; a 5 A USB-C cable is in the box
• Reviewers report it runs hot at 100 W and above

Wh is computed at 3.7 V; the listing prints no Wh figure. The listing counts 3 ports in its title and lists 2 USB-C and 1 USB-A in its spec row. The 70 g "Battery Weight" row is an error; 505 g is the item weight.

Price Over $70 Check price on Amazon

Lightest 10,000 mAh power bank: Nitecore NB10000

The Nitecore NB10000 is the bank Reddit names most for travel: 48 of the 138 threads we read, from r/onebag to r/ultralight. The Gen 4 weighs 4.94 oz (140 g), measures 4.57 x 1.84 x 0.81 in and is rated IPX7 against water. Both USB-C ports charge and recharge at 22.5 W, and the lanyard doubles as a USB-C cable. That is enough for phones, earbuds and cameras but too slow for a laptop. It costs about $84, more than three times the INIU 10K, and the Gen 4 listing has few ratings so far. Reddit owners of earlier generations report units that failed within one to two years.

#4

Lightest 10,000 mAh power bank

Nitecore NB10000 Gen4

Best for: A phone on a hike or a flight when weight matters more than price.

The Nitecore NB10000 Gen4 holds 10,000 mAh, about 37 Wh, and weighs 140 g (4.94 oz) at 116 x 47 x 21 mm. Both USB-C ports take 22.5 W in and out, and the case is rated IPX7. A lanyard that works as a USB-C cable ships in the box. Amazon lists it from a third-party seller, Lumen Tactical.

• TypePocket power bank
• Capacity10,000 mAh
• Energy37 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output22.5 W max, 22.5 W single port
• Recharge input22.5 W in
• Ports2 USB-C
• ExtrasPass-through charging
• Weight140 g (4.9 oz)
• Size116 x 47 x 21 mm (4.6 x 1.9 x 0.8 in)

Pros

• 140 g, the lightest 10,000 mAh bank in this guide
• IPX7 rating and 22.5 W in and out on both USB-C ports
• Pass-through charging and a lanyard USB-C cable included

Cons

• $84, more than three times the price of the INIU 10,000 mAh bank
• Sold by a third-party seller, not by Nitecore or Amazon
• 22.5 W output is too low for a laptop

Wh is computed at 3.7 V. The listing gives 4.94 oz in the text and 5 oz in the spec row; 140 g is used. The lanyard cable is included, not built in. Most Reddit threads about the NB10000 cover the Gen 2 and Gen 3; no professional review of the Gen4 was found.

Price Over $70 Check price on Amazon

Best power bank for international travel and China: Baseus 20K 45W

China’s civil aviation authority has barred power banks without a clear 3C (CCC) mark from domestic flights since 28 June 2025, and travelers in 40 of the Reddit threads we read raise the rule. The Baseus 20K 45W (model E00311) is the only pick whose Amazon listing states a CCC certification. It has two built-in USB-C cables plus a USB-C and a USB-A port, charges four devices at once, recharges at 30 W and costs about $32. It is a phone and tablet bank: the listing marks it phone only for laptops. Baseus recalled other models in the past, so match the model number E00311 before you buy. No professional review of this model exists yet.

#5

Best power bank for international travel and China

Baseus 20K 45W CCC

Best for: Flights that include China, with 20,000 mAh and two built-in cables.

The Baseus E00311 is the only pick whose listing states CCC certification, the 3C mark that China requires on power banks for domestic flights since 28 June 2025. It holds 20,000 mAh, about 74 Wh, and outputs 45 W through two built-in USB-C cables, a USB-C port and a USB-A port.

• TypeEveryday power bank
• Capacity20,000 mAh
• Energy74 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output45 W max, 45 W single port
• Recharge input30 W in
• Ports1 USB-C, 1 USB-A
• Built-in cableUSB-C
• ExtrasDisplay, Pass-through charging
• Weight363 g (12.8 oz)
• Size109 x 66 x 30 mm (4.3 x 2.6 x 1.2 in)
• 3C markYes

Pros

• Listing states CCC certification, which China domestic flights require
• Two built-in USB-C cables plus a USB-C and a USB-A port, 4 devices at once
• 20,000 mAh at $32, with 30 W input and pass-through charging

Cons

• The listing's own table marks it phone only for laptop charging
• Baseus recalled other models; confirm model E00311 and the printed capacity

Wh is computed at 3.7 V. The listing text gives 12.8 oz (363 g) and the spec row gives 200 g; 363 g is used because a 74 Wh battery weighs more than 200 g. The listing's FAQ asks whether the unit label reads 10,000 mAh; check the capacity printed on the unit. No battery chemistry is stated.

Price $31 to $70 Check price on Amazon

Best magnetic power bank for iPhone: UGREEN MagFlow 10K Qi2

The UGREEN MagFlow snaps onto the back of an iPhone and charges it wirelessly at 25 W on iPhone 16 and newer (15 W on iPhone 12 to 15). A built-in 30 W USB-C cable doubles as a wrist strap and charges a second device. TechRadar picks it as its best compact fast charger and Cult of Mac ranks it first. Wireless charging loses energy as heat, so expect fewer than the 1.6 iPhone charges a wired 10K bank gives. At 254 g and 0.83 in thick it is heavy for a magnetic bank, and reviewers say it runs warm. It costs about $63.

#6

Best magnetic power bank for iPhone

UGREEN MagFlow 10K Qi2

Best for: An iPhone that snaps on and charges wirelessly at 25 W, with no cable.

The UGREEN MagFlow PB773 holds 10,000 mAh, about 37 Wh, and attaches to an iPhone with 17 magnets. Qi2 wireless charging runs at 25 W on iPhone 16 and newer and at 15 W on iPhone 12 to 15. A built-in USB-C cable adds 30 W of wired output and works as a carry strap.

• TypeMagnetic power bank
• Capacity10,000 mAh
• Energy37 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output30 W max, 30 W single port
• Recharge input30 W in
• Ports1 USB-C
• Built-in cableUSB-C
• Wireless25 W wireless, magnetic attach
• Weight254 g (9 oz)
• Size111 x 69 x 21 mm (4.4 x 2.7 x 0.8 in)

Pros

• 25 W Qi2 wireless on iPhone 16 and newer, 15 W on iPhone 12 to 15
• 30 W built-in USB-C cable that doubles as a carry strap
• About 37 Wh, under the 100 Wh carry-on limit

Cons

• 254 g and 21 mm thick, heavy for a magnetic bank
• One extra USB-C port, and reviewers report it runs warm
• Wireless charging is for iPhones, not Android phones

Wh is computed at 3.7 V. The 124 g "Battery Weight" row is not the item weight; 254 g is used. Max input is 30 W per the comparison table.

Price $31 to $70 Check price on Amazon

Best power bank with a built-in cable: Anker 10K 30W

A built-in cable is the cable you cannot forget. The Anker 10K 30W has a 5.4 in USB-C cable that Anker rates for 10,000 bends, plus a USB-C and a USB-A port and a digital display that shows the charge left. One port delivers 30 W, enough to fast-charge a phone or top up an iPad. Total output falls to 15 W when several ports are in use, and its 20 W input takes about 2.5 hours to refill. It weighs 223 g and costs about $30.

#7

Best power bank with a built-in cable

Anker 10K 30W

Best for: Daily carry and short flights with a cable that stays attached.

The Anker A1688 holds 10,000 mAh, about 37 Wh, and has a built-in 5.4 in USB-C cable rated for 10,000 bends plus a USB-C and a USB-A port. One port outputs up to 30 W, and the total drops to 15 W when several ports are in use. It recharges at 20 W in about 2.5 hours.

• TypePocket power bank
• Capacity10,000 mAh
• Energy37 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output30 W max, 30 W single port
• Recharge input20 W in
• Ports1 USB-C, 1 USB-A
• Built-in cableUSB-C
• ExtrasDisplay, Pass-through charging
• Weight223 g (7.9 oz)
• Size110 x 66 x 25 mm (4.3 x 2.6 x 1 in)

Pros

• 30 W from one port, enough for a phone or a tablet
• Built-in 5.4 in cable rated for 10,000 bends, plus a digital display
• Pass-through charging at 5 V and 3 A

Cons

• Total output falls to 15 W when more than one port is in use
• 20 W input means about 2.5 hours to recharge
• The listing does not mention China 3C certification

Wh is computed at 3.7 V. The listing text names it a "Zolo" power bank; model A1688 is not on Anker's recall lists, which cover the Zolo models A1681 and A1689. Pass-through charging is limited to 5 V and 3 A and does not work for laptops.

Price $30 or less Check price on Amazon

Best power bank and wall charger in one: Anker Nano 3-in-1

The Anker Nano 3-in-1 replaces two items: it is a 10,000 mAh power bank, a 30 W wall charger with folding prongs and a built-in USB-C cable in one 250 g body. Plugged into an outlet it works as a wall charger, which suits hotel rooms with one free outlet. The prongs are the US type, so it needs a plug adapter in Europe, the UK and most of Asia. It costs about $53, against $30 for the Anker 10K 30W without prongs.

#8

Best power bank and wall charger in one

Anker Nano 3-in-1

Best for: One unit for hotel outlets and the plane: a wall plug, a cable and 10,000 mAh.

The Anker A1637 combines a 10,000 mAh battery (about 37 Wh), a folding wall plug and a built-in USB-C cable. The bank and the plug both work at 30 W, so one unit replaces the wall charger. It outputs to two devices at once.

• TypeWall plug power bank
• Capacity10,000 mAh
• Energy37 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output30 W max, 30 W single port
• Recharge input30 W in
• Ports1 USB-C
• Built-in cableUSB-C
• Wall plugFolding wall prongs
• ExtrasDisplay, Pass-through charging
• Weight250 g (8.8 oz)
• Size108 x 51 x 31 mm (4.3 x 2 x 1.2 in)

Pros

• Folding wall plug, built-in USB-C cable and a USB-C port in one unit
• 30 W in both directions, with a recharge time of about 2 hours
• About 37 Wh, under the 100 Wh carry-on limit

Cons

• $53, against $30 for the 10,000 mAh Anker with a built-in cable
• The listing photos show US-style prongs, so a plug adapter is needed abroad
• 250 g and 31 mm thick

Wh is computed at 3.7 V. The listing does not name the plug type or its input voltage range. The 144 g "Battery Weight" row is the cell; 250 g (8.82 oz) is the item weight.

Price $31 to $70 Check price on Amazon

Best 20,000 mAh power bank for long-haul flights: UGREEN Nexode 20K 45W

The UGREEN Nexode 20K 45W has the 20,000 mAh capacity for a long-haul day (about three iPhone charges) at about $35. A braided 8.6 in built-in cable handles 45 W in and out, and a USB-C and a USB-A port charge two more devices. A percentage display shows what is left, which matters on airlines that ban in-flight use and leave you to charge at the gate. Its listing gives two weights (348 and 468 g), and no professional review of this model (PB536) exists yet.

#9

Best 20,000 mAh power bank for long-haul flights

UGREEN Nexode 20K 45W

Best for: A long-haul flight with a phone, a tablet and earbuds on a $35 budget.

The UGREEN PB536 holds 20,000 mAh, about 74 Wh, and has a built-in 8.6 in braided USB-C cable plus a USB-C and a USB-A port. Output and input are both 45 W, and a percentage display shows the charge left. It weighs 468 g.

• TypeEveryday power bank
• Capacity20,000 mAh
• Energy74 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output45 W max, 45 W single port
• Recharge input45 W in
• Ports1 USB-C, 1 USB-A
• Built-in cableUSB-C
• ExtrasDisplay
• Weight468 g (16.5 oz)
• Size152 x 72 x 39 mm (6 x 2.8 x 1.5 in)

Pros

• 20,000 mAh, about 74 Wh, for $35
• 45 W in and out, with a built-in 8.6 in braided cable that works as a strap
• Percentage display plus a USB-C and a USB-A port

Cons

• 468 g, the heaviest of the 20,000 mAh picks
• 45 W is the ceiling, so a large laptop charges slowly

Wh is computed at 3.7 V. The listing gives 5.98 x 2.83 x 1.53 in in one row and 1.14 in thick in another, and 468 g against a 348 g "Battery Weight" row; 1.53 in and 468 g are used. The cells are listed as lithium-ion.

Price $31 to $70 Check price on Amazon

Best budget 20,000 mAh power bank: INIU 20K 22.5W

The INIU 20K costs about $28 and weighs about 315 g, lighter than the other 20K picks. It has a detachable USB-C lanyard cable, a digital display and close to 29,000 Amazon ratings at 4.6 stars. Its 22.5 W output fast-charges phones but not laptops, and the bank takes about 5.4 hours to refill. Choose it for a phone-heavy trip where price and weight matter more than speed.

#10

Best budget 20,000 mAh power bank

INIU 20K 22.5W

Best for: Two phones on a long trip for $28.

The INIU P512 holds 20,000 mAh, about 74 Wh, in a 315 g body that measures 104 x 71 x 30 mm. Output is 22.5 W, enough for phones and tablets but not for laptops. It has a digital display, a flashlight and a detachable nylon lanyard cable.

• TypeEveryday power bank
• Capacity20,000 mAh
• Energy74 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output22.5 W max, 22.5 W single port
• Ports2 USB-C, 1 USB-A
• ExtrasDisplay
• Weight315 g (11.1 oz)
• Size104 x 71 x 30 mm (4.1 x 2.8 x 1.2 in)

Pros

• 20,000 mAh at $28 and 315 g, the lightest of the 20,000 mAh picks
• Digital display and a built-in flashlight
• Detachable nylon lanyard USB-C cable included

Cons

• 22.5 W output, so no laptop charging
• 5.4 hours to recharge

Wh is computed at 3.7 V. The listing gives 315 g in the comparison table and 320 g in the "Battery Weight" row; 315 g is used. The listing counts 3 outputs; this entry lists them as two USB-C and one USB-A.

Price $30 or less Check price on Amazon

Best laptop power bank with built-in cables: Anker Laptop 25K 165W

The Anker Laptop 25K carries two built-in USB-C cables, one retractable to 2.3 ft and one short strap cable, plus a USB-C and a USB-A port. Each of the three USB-C outputs delivers 100 W and the total is 165 W, so it charges a laptop and a phone at full speed together. The listing states it complies with the 100 Wh airline limit, and a protective pouch is included. Expert Reviews names it the best power bank for air travel. It costs about $120, weighs about 595 g, and Reddit owners report that it slows down when pushed above 100 W.

#11

Best laptop power bank with built-in cables

Anker Laptop 25K 165W

Best for: A laptop and two phones on a flight, with two cables built in.

The Anker A1695 holds 25,000 mAh, about 92.5 Wh, and outputs 165 W in total with 100 W on each of three USB-C connections. Two USB-C cables are built in, one retracting to 2.3 ft and one 0.98 ft strap, plus a USB-C port and a USB-A port. Anker says it meets the 100 Wh airline limit and includes a pouch.

• TypeLaptop power bank
• Capacity25,000 mAh
• Energy92.5 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output165 W max, 100 W single port
• Recharge input100 W in
• Ports1 USB-C, 1 USB-A
• Built-in cableUSB-C
• ExtrasDisplay
• Weight595 g (21 oz)
• Size157 x 49 x 54 mm (6.2 x 1.9 x 2.1 in)

Pros

• 165 W in total and 100 W on each of three USB-C connections
• Two built-in USB-C cables, one retractable to 2.3 ft
• About 92.5 Wh, under the 100 Wh limit, with a pouch included

Cons

• $120, against $67 for the INIU 25K laptop bank
• 595 g, and reviewers flag the retractable cable for durability
• About 2 hours to recharge with a 100 W charger

Wh is computed at 3.7 V; Anker states the bank meets the 100 Wh limit but prints no figure. The spec row says 300 g and the comparison table says 595 g (21 oz); 595 g is used because 25,000 mAh of cells weighs more than 300 g.

Price Over $70 Check price on Amazon

Best budget laptop power bank: INIU 25K 100W

The INIU 25K prints 92.5 Wh on its label and delivers 100 W from one USB-C port, enough to charge most 13 to 14 in laptops at full speed. It has two USB-C ports and one USB-A port and comes with a short 100 W cable. At about $67 it costs $13 to $133 less than the other laptop picks, and at 391 g it is the lightest of them. The listing does not state the recharge speed, and the cable is detachable, not built in.

#12

Best budget laptop power bank

INIU 25K 100W

Best for: A laptop and a phone on a flight for $67.

The INIU P63-E1 holds 25,000 mAh, listed as 92.5 Wh, and outputs 100 W from one port, with two USB-C ports and one USB-A port. A 0.4 ft 100 W USB-C cable is included. It weighs 391 g and has a digital display.

• TypeLaptop power bank
• Capacity25,000 mAh
• Energy92.5 Wh from the listing Carry-on OK (under 100 Wh)
• Output100 W max, 100 W single port
• Ports2 USB-C, 1 USB-A
• ExtrasDisplay
• Weight391 g (13.8 oz)
• Size109 x 69 x 36 mm (4.3 x 2.7 x 1.4 in)

Pros

• 100 W from one port, enough for a 14 in MacBook Pro
• 92.5 Wh in the listing, under the 100 Wh carry-on limit
• $67, the cheapest laptop bank in this guide

Cons

• No built-in cable; the 0.4 ft 100 W cable is a separate part
• The listing does not state input wattage or recharge time

Wh is the 92.5 Wh in the listing's comparison table. The spec row gives 13.8 oz (391 g) and the text says about 14 oz (400 g); 391 g is used. INIU recalled a different model, the BI-B41, in December 2025.

Price $31 to $70 Check price on Amazon

Most powerful power bank under 100 Wh: Anker Prime 26K 300W

The Anker Prime 26K prints 99.75 Wh on its label, the most energy a bank can hold and still fly without airline approval. It puts out 300 W in total and 140 W per port, and two USB-C inputs refill it at up to 250 W, about half in 13 minutes. A 240 W cable and a travel pouch are in the box. Expert Reviews calls it the best power bank overall and Engadget its best premium pick. It costs about $200 and weighs 600 g, which is more power than anyone charging only a phone and a tablet needs.

#13

Most powerful power bank under 100 Wh

Anker Prime 26K 300W

Best for: Two laptops at once, with the most capacity the 100 Wh rule allows.

The Anker Prime A110A holds 26,250 mAh, which Anker lists as 99.75 Wh, 0.25 Wh under the 100 Wh limit. It outputs 300 W across two USB-C ports and one USB-A port, with up to 140 W on one port. A 240 W cable and a travel pouch are included.

• TypeLaptop power bank
• Capacity26,250 mAh
• Energy99.8 Wh from the listing Carry-on OK (under 100 Wh)
• Output300 W max, 140 W single port
• Recharge input250 W in
• Ports2 USB-C, 1 USB-A
• ExtrasDisplay
• Weight600 g (21.2 oz)
• Size160 x 63 x 38 mm (6.3 x 2.5 x 1.5 in)

Pros

• 300 W in total and 140 W on one port, enough for two laptops at once
• 99.75 Wh in the listing, the largest capacity of any pick under the 100 Wh limit
• 250 W dual-port input recharges 50% in 13 minutes per Anker

Cons

• $200, the highest price of the 15 picks
• 600 g and 160 x 63 x 38 mm
• Only 0.25 Wh of headroom under the 100 Wh limit

Wh is the 99.75 Wh in the listing. The spec row says 600 g and the "Battery Weight" row says 365 g; 600 g is used.

Price Over $70 Check price on Amazon

Slimmest magnetic power bank: Anker Nano Magnetic 5K

The Anker Nano Magnetic 5K is 0.33 in thick and weighs 122 g (4.3 oz), so it stays on the back of an iPhone in a pocket. It charges at 15 W over Qi2. Its 5,000 mAh gives most of one iPhone charge, which suits a day out more than a long-haul flight. The listing states that it has no China 3C certification and cannot be carried on domestic flights in China. It costs about $55.

#14

Slimmest magnetic power bank

Anker Nano Magnetic 5K

Best for: An iPhone top-up in a pocket, in a bank 8 mm thick.

The Anker A1665 is 0.33 in (8 mm) thick and weighs 122 g, with 5,000 mAh, about 18.5 Wh. Qi2 wireless charging runs at up to 15 W and the USB-C port at up to 20 W. Anker's listing says it lacks China 3C certification and cannot be carried on domestic flights in China.

• TypeMagnetic power bank
• Capacity5,000 mAh
• Energy18.5 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output20 W max, 20 W single port
• Ports1 USB-C
• Wireless15 W wireless, magnetic attach
• Weight122 g (4.3 oz)
• Size102 x 70 x 8 mm (4 x 2.8 x 0.3 in)
• 3C markNo

Pros

• 8 mm thick and 122 g, the slimmest magnetic pick
• Qi2 15 W wireless charging, plus up to 20 W over USB-C
• 24-month warranty and a USB-C cable in the box

Cons

• 5,000 mAh gives less than one full charge of an iPhone 17
• No China 3C certification, so no domestic flights in China
• $55 for 5,000 mAh

Wh is computed at 3.7 V. Anker says the bank is designed for iPhone and does not recommend Android phones. The listing gives 4.30 to 4.32 oz; 122 g is used.

Price $31 to $70 Check price on Amazon

Smallest power bank for a pocket: Anker Nano 5K

The Anker Nano 5K weighs about 99 g (3.5 oz) and measures 3.03 x 1.45 x 0.98 in. A USB-C plug folds out of the bank and plugs straight into the phone, so there is no cable to carry. It delivers 22.5 W and gives most of one phone charge. The plug is USB-C only, so an iPhone 14 or older needs a Lightning adapter. Reddit owners report that it runs warm and that the folding plug can break. It costs about $30.

#15

Smallest power bank for a pocket

Anker Nano 5K

Best for: A phone top-up with no cable to carry, in a bank that weighs 99 g.

The Anker A1653 holds 5,000 mAh, about 18.5 Wh, and weighs 99 g (3.5 oz) at 77 x 37 x 25 mm. A folding USB-C plug is built into the bank, so it plugs straight into a phone. Anker lists 22.5 W on the USB-C output and 18 W in total.

• TypePocket power bank
• Capacity5,000 mAh
• Energy18.5 Wh computed from mAh (3.7 V) Carry-on OK (under 100 Wh)
• Output22.5 W max, 22.5 W single port
• Recharge input18 W in
• Ports1 USB-C
• Built-in cableUSB-C
• Weight99 g (3.5 oz)
• Size77 x 37 x 25 mm (3 x 1.5 x 1 in)

Pros

• 99 g, the lightest pick, at 77 x 37 x 25 mm
• Folding USB-C plug built in, so there is no cable to carry
• A 2 ft USB-C cable and a 24-month warranty are included

Cons

• 5,000 mAh gives less than one full charge of an iPhone 17
• USB-C only; iPhone 14 and older need a Lightning cable
• No display, and the listing is silent on China 3C

Wh is computed at 3.7 V. The listing gives 3.5 oz (99 g, or 100 g in the spec text) and a 69.7 g "Battery Weight" row; 99 g is used.

Price $30 or less Check price on Amazon

Travel power bank comparison table

The table shows every pick side by side. Watt-hours decide what flies; output watts decide what the bank can charge. A laptop needs at least 30 W, and 60 W or more charges most laptops at full speed.

How many charges you get from each power bank

A power bank never delivers its rated capacity. Voltage conversion and heat lose part of the energy, and Anker’s own worked example puts the usable share near 70%. The table uses 65%, divides the usable watt-hours by the battery of each device and rounds down. A 10,000 mAh bank gives about 1.6 charges of an iPhone 17, a 20,000 mAh bank about 3.3 and a 25,000 mAh bank about one full charge of a MacBook Air 13.

Can you bring a power bank on a plane?

Yes. Every airline accepts power banks in the cabin within the watt-hour limits, and none accepts them in checked luggage. The limits are set by ICAO and applied by each country’s regulator, and airlines can be stricter.

Carry-on only, never checked

A power bank counts as a spare lithium battery. The FAA, TSA, ICAO and IATA all require spare lithium batteries in carry-on bags, where the crew can deal with a fire. If an agent tags your carry-on for the hold at the gate, take the power bank out first.

How many mAh is 100 Wh?

At the 3.7 V most power bank cells use, 100 Wh is about 27,000 mAh (27,027 mAh), and 160 Wh is about 43,200 mAh. Banks sold as 26,800 or 27,650 mAh sit right at the line: 27,650 mAh at 3.7 V is 102.3 Wh, but Anker rates its Prime 27,650 at 99.54 Wh because it uses 3.6 V. Go by the watt-hours printed on the bank. A bank with no readable rating can be refused at security.

Enter the capacity of any bank to see its watt-hours and whether it flies:

Are TSA approved power banks a real thing?

No. Neither the TSA nor the FAA approves or certifies individual power banks. A listing that says “TSA approved” or “airline approved” means only that the bank is under 100 Wh. The label decides, not the listing.

Can you use a power bank during a flight?

It depends on the airline. Since March 2026 ICAO bars recharging a power bank from the seat power and advises against using a bank to charge devices on board. Southwest, Delta, American, Ryanair, Air New Zealand and Philippine Airlines still allow use with conditions, such as keeping the bank in view. Emirates, Singapore Airlines, Cathay Pacific, the Lufthansa Group, KLM, Turkish, Qantas and most Asian airlines ban it. Charge your phone at the gate and treat the bank as backup on the ground.

Power banks on domestic flights in China

Since 28 June 2025, China bars power banks with no 3C (CCC) mark, an unreadable mark or a recalled model or batch from domestic flights. Most banks sold in the US carry no 3C mark. If your trip includes a domestic Chinese flight, carry a bank with the mark, such as the Baseus 20K 45W above, or buy one in China.

Power bank rules by airline (2026)

The table lists the rules of 13 regulators and 34 airlines, each checked on the official page on October 13, 2026. Type an airline’s name to filter the table. Rules change often; check your airline’s page before you fly.

Recalled power banks: check the model number

Power banks were recalled in large numbers in 2025 and 2026, and some recalled models are still listed for sale by third-party sellers. Check the model number printed on your bank against the CPSC notice; for most recalls only certain serial numbers or batches are affected. A recalled bank is also barred from domestic flights in China, and Air Canada names three recalled Anker models as prohibited on board.

Date	Brand and model	Units in the US	CPSC recall
12 June 2025	Anker PowerCore 10000, model A1263	about 1,158,000	25-338
18 September 2025	Anker models A1257, A1647, A1652, A1681 and A1689 (including Zolo 20K)	about 481,000	25-466
13 November 2025	Belkin BPB002 (serials starting 35S) and PB0003	about 83,500	26-090
5 December 2025	INIU BI-B41 10,000 mAh (serials 000G21, 000H21, 000I21, 000L21)	about 210,000	26-135
16 April 2026	Casely Power Pods 5000 mAh MagSafe, model E33A (re-announced)	about 429,200	26-418
24 September 2026	NEWDERY ZHX-PB22, sold on Amazon	about 21,380	26-792

None of the 15 picks matches a recalled model number. Amazon still lists Anker Zolo 20K banks whose spec rows show model A1689, which is on the September 2025 recall list; this guide does not recommend any Zolo 20K.

Best power bank for international travel

A power bank works the same in every country because it charges over USB. The difference abroad is the wall charger that refills it. Apple’s USB-C adapters, and nearly every phone and laptop charger, are rated for 100 to 240 V, so a plug adapter is all you need; a voltage converter is only for single-voltage appliances such as some hair dryers and irons.

For international trips, choose a bank that:

• Prints its watt-hours on the label, since travelers report capacity checks at Asian airports more often than in the US.
• Stays under 100 Wh, because some airlines and countries still allow banks up to 160 Wh but many cap them at 100 Wh, and IATA drops the 160 Wh route in January 2027.
• Carries a 3C mark if you fly within China.
• Recharges fast (30 W input or more), so it refills during a short hotel night.

Best travel charger to pair with a power bank

“Travel charger” means two things, and you need both: a power bank for the day and a wall charger for the night. A GaN wall charger with swappable plugs refills the bank, the phone and a laptop from one outlet. A universal adapter with USB-C ports covers more countries. These are the chargers, adapters, cables and pouches that go with the picks above.

How to choose a travel power bank

Capacity. 5,000 mAh (about 18 Wh) covers most of one phone charge and suits a day out. 10,000 mAh (37 Wh) gives about 1.5 phone charges and is the size most travelers carry. 20,000 mAh (74 Wh) covers a long-haul day or two devices. 25,000 mAh (90 to 99 Wh) is for laptops and is the most that flies without airline approval.

Output. A phone fast-charges at 20 to 30 W. A tablet wants 30 W or more. A laptop needs at least 30 W, and 60 to 100 W from one port charges most laptops at full speed. Check the single-port figure, not only the total.

Cables and ports. A built-in cable removes the cable you forget. Two or more USB-C ports let you charge a phone and earbuds together. Magnetic Qi2 banks need no cable but lose a share of the energy as heat.

Weight. Expect about 100 g for a 5K bank, 140 to 255 g for a 10K bank, 315 to 470 g for a 20K bank and 390 to 600 g for a laptop bank.

Safety. Buy a known brand, check the model number against recall notices and replace any bank that swells, gets hot at rest or smells of solvent.

What Reddit recommends

We read 138 threads from 2024 to 2026 in r/onebag, r/travel, r/HerOneBag, r/digitalnomad, r/anker, r/UsbCHardware and other travel and hardware forums. The Nitecore NB10000, Anker’s magnetic banks and INIU’s 10K banks are named most. Anker is still named first for its warranty and its public recall process, but posters in 2025 and 2026 threads report slow replacements and higher prices, and many moved to INIU, UGREEN or Baseus. The most repeated advice: a 10K bank is enough for a phone-only trip, stay under 100 Wh, and carry a 3C-marked bank for domestic flights in China.

How to pack a power bank for a flight

Frequently asked questions

Sources

• ICAO Addendum No. 1 to the 2025-2026 Technical Instructions
• IATA: Passengers travelling with lithium batteries (2026)
• IATA: Guidance to operators on power banks
• FAA PackSafe: Lithium batteries
• TSA: Power banks
• UK CAA: Changes to rules on lithium batteries and power banks
• CAAC: Power bank rules for domestic flights (June 2025)
• CPSC: Anker PowerCore 10000 recall (June 2025)
• CPSC: Anker power bank recall (September 2025)
• ATSB: Virgin Australia power bank fire, July 2025
• Anker: Why rated capacity is lower than expected