Our picks at a glance
Paid link: buttons go to the retailer. Prices change often, so we link to the current price instead of listing one.
Comparison table
| Feature | Best overallAnker 737 Power Bank (24,000mAh) | EverydayAnker Nano Power Bank 10,000mAh | ValueUGREEN Nexode Power Bank 20,000mAh |
|---|---|---|---|
| Verdict | Buy | Buy | Buy |
| Typical price | £80–£110 | £25–£40 | £40–£60 |
| Best for | Laptops | Everyday | Value |
| Key feature | 140 W output with display | Built-in USB-C cable | 130 W at a lower price |
| Capacity | 24,000 mAh | 10,000 mAh | 20,000 mAh |
| Output | 140 W | 30 W | 130 W |
| Where to buy | Check Price Paid link | Check Price Paid link | Check Price Paid link |
Anker · Power banks
Anker 737 Power Bank (24,000mAh)
140 W output with display.
- Buy it if
- you need to charge a laptop
- Skip it if
- you want something small
Pros
- Charges laptops
- Display
- Large capacity
Cons
- Heavy
Key specifications
- Capacity
- 24,000 mAh
- Output
- 140 W
Anker · Power banks
Anker Nano Power Bank 10,000mAh
Built-in USB-C cable.
- Buy it if
- you want a slim daily power bank
- Skip it if
- you charge laptops
Pros
- Built-in cable
- Compact
- Fast
Cons
- Can't charge laptops quickly
Key specifications
- Capacity
- 10,000 mAh
- Output
- 30 W
UGREEN · Power banks
UGREEN Nexode Power Bank 20,000mAh
130 W at a lower price.
- Buy it if
- you want value for laptops
- Skip it if
- you want small size
Pros
- Good value
- Fast
- Two USB-C
Cons
- Bulky
Key specifications
- Capacity
- 20,000 mAh
- Output
- 130 W
Compare more Power banks on Amazon Paid link
Who this list is for
Portable power banks for phones and laptops, compared on capacity, speed and flight rules. We show what each model does best, what it typically costs in the UK and who should skip it.
How we chose
We compared manufacturer specifications, UK warranty terms, running costs and typical UK prices, then gave every product a clear verdict: Buy, Consider or Skip. Our verdicts are based on this research, not on lab tests we have not done.
What to look for
- 10,000 mAh charges most phones about twice.
- USB-C PD fast-charges phones and laptops.
- Built-in cables reduce clutter.
Buying in the UK
UK airlines allow power banks in hand luggage only, usually up to 100 Wh (about 27,000 mAh) without approval.
Frequently asked questions
Can I take a power bank on a plane?
Yes, in hand luggage only. Up to 100 Wh is usually allowed without airline approval.
What capacity do I need?
10,000 mAh for a day out; 20,000 mAh for travel or laptops.