Best Power Banks UK (2026)
A power bank's capacity and output wattage both matter: capacity determines how many charges you get, while wattage determines how fast. This guide compares power banks tested by Expert Reviews, from ultra-portable budget picks to laptop-charging capacity units.
We have not hands-on tested these products. Our picks are based on published independent tests and reviews, listed at the bottom of this page. How we pick.
Our top pick
Anker Prime A110A
Best overall
Expert Reviews praises the outstanding charging speeds and useful digital display, with touchscreen monitoring and Bluetooth app connectivity, though it's expensive and bulky at 600g.
- Outstanding charging speeds
- Useful digital display
- Bluetooth app connectivity
Quick comparison
| Product | Best for | Key spec | Buy |
|---|---|---|---|
| Anker Prime A110A | Best overall | 26,250mAh, 300W total, digital display | Check price |
| Cuktech 10 Mini | Best budget | 10,000mAh, 55W peak, 216g | Check price |
| UGreen Nexode PB771 | Best for multi-device charging | 20,000mAh, 145W combined, wireless | Check price |
| Iniu SnapGo Air | Best for MagSafe | 10,000mAh, 45W USB-C, 25W Qi2.2 wireless | Check price |
| Anker Laptop Power Bank (A1695) | Best for air travel | 25,000mAh (90Wh), 165W total | Check price |
Our picks in detail
Best overall
Anker Prime A110A
Expert Reviews praises the outstanding charging speeds and useful digital display, with touchscreen monitoring and Bluetooth app connectivity, though it's expensive and bulky at 600g.
- Capacity
- 26,250mAh
- Output
- 300W total (2x USB-C at 140W, USB-A at 20W)
- Weight
- 600g
- Price guide
- £180
Pros
- Outstanding charging speeds
- Useful digital display
- Bluetooth app connectivity
Cons
- High cost
- Bulky at 600g
Best budget
Cuktech 10 Mini
Highly portable with an LED display and excellent value, though it has no wireless charging and its peak speeds are limited to specific devices.
- Capacity
- 10,000mAh
- Output
- 55W peak (dual USB-C), 33W USB-A
- Weight
- 216g
- Price guide
- £24
Pros
- Highly portable
- LED display
- Excellent value
Cons
- No wireless charging
- Peak speeds limited to specific devices
Best for multi-device charging
UGreen Nexode PB771
A feature-rich charger built for simultaneous multi-device charging, with USB-C, USB-A and Qi2 wireless outputs, though it's bulkier and heavier at 555g.
- Capacity
- 20,000mAh
- Output
- 145W combined (100W USB-C, 45W USB-C, 22.5W USB-A, 15W wireless)
- Weight
- 555g
- Price guide
- £90
Pros
- Feature-rich for multi-device charging
- Simultaneous charging of several devices
Cons
- Bulkier design
- Heavier at 555g
Best for MagSafe
Iniu SnapGo Air
Speedy Qi2.2 wireless charging in a lightweight, slim design at 196g, though wireless speed was found inconsistent on some phones.
- Capacity
- 10,000mAh
- Output
- 45W USB-C (dual ports), 25W wireless
- Weight
- 196g
- Price guide
- £45
Pros
- Speedy Qi2.2 wireless charging
- Lightweight
- Slim design
Cons
- Wireless speed inconsistent on some phones
Best for air travel
Anker Laptop Power Bank (A1695)
High capacity with rapid laptop charging via multiple USB-C options, kept just under the common 100Wh airline carry-on limit, though it has no wireless charging and is bulky for a pocket.
- Capacity
- 25,000mAh (90Wh)
- Output
- 165W total (multiple USB-C, USB-A at 33W)
- Price guide
- £75
Pros
- High capacity
- Rapid laptop charging
Cons
- No wireless charging
- Bulky for pockets
Buying guide
What capacity power bank do I need?
As a rough guide, 10,000mAh gives most phones 2-3 full charges in a pocketable size. 20,000mAh-plus suits longer trips, multiple devices, or charging a tablet. Laptop charging generally needs at least 20,000mAh (around 74Wh or more) and a high-wattage USB-C output.
Can I take a power bank on a plane?
Airlines generally require power banks to be carried in hand luggage, not the hold, and most cap capacity at 100Wh (roughly 27,000mAh) without special permission. Always check your specific airline's rules before flying, as they can vary.
Does wattage matter as much as capacity?
Yes. A higher-capacity bank with low wattage output will charge your phone slowly. Match the output wattage to what your device can actually accept for fast charging, since exceeding your phone's own charging limit provides no extra speed.
Is wireless charging worth having on a power bank?
Wireless charging is convenient, particularly with MagSafe-style magnetic attachment, but it's generally slower and less efficient than a cable. It's a nice-to-have rather than essential if you always have a cable to hand.
Sources
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