UK buying shortlist
Best Power Banks for Laptops in the UK (2026)
Choose this guide when USB-C PD laptop charging is the core job and you need a shortlist that balances output headroom, carry burden, and spend.
Top 4 at a glance
Check a retailer or compare all four picks
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Pick 1 - Best budget
Baseus 10000mAh 22.5W Power Bank
Check winner on AmazonPick 2 - Best overall
Anker 335 Power Bank 20000mAh
Check on AmazonPick 3 - Best premium
Anker Prime Power Bank 27650mAh
Check on AmazonPick 4 - Best specialist or alternative
UGREEN 25000mAh 145W Power Bank
Check on AmazonThe shortlist
Four options, with the trade-offs visible
Use the fit, limitations and checkout checks before opening a retailer page. Confirm the current price, stock, delivery and returns with the retailer.
Pick 1
Overall winner
Best budget
Baseus 10000mAh 22.5W Power Bank
Verdict
The most affordable entry route for buyers who only need occasional light USB-C laptop top-ups and everyday phone backup.
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Highlights
- Portable size for daily carry
- Useful USB-C fast charging for phones
Drawbacks
- Lower total capacity for heavy multi-device days
Buyer fit
Best for
- Commuters needing compact backup power
Not for you if
- Laptop-heavy travel charging
Check before buying
- Verify cable compatibility for your specific devices.
- Confirm exact model, capacity, USB-C PD/output wattage, port mix, supplied cables and seller terms before checkout.
- For travel, check the Wh rating and the current airline or airport rules for your route rather than assuming acceptance.
Pick 2
Best overall
Anker 335 Power Bank 20000mAh
Verdict
The most practical balance for mixed phone-plus-light-laptop use where capacity, portability, and cost all matter.
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Highlights
- Reliable high-capacity everyday backup
- Trusted mainstream accessory ecosystem
Drawbacks
- Heavier than compact 10000mAh units
Buyer fit
Best for
- General-use all-round power bank buyers
Not for you if
- Ultra-light carry-first buyers
Check before buying
- Does not include wall charger in the box.
- Confirm exact model, capacity, USB-C PD/output wattage, port mix, supplied cables and seller terms before checkout.
- For travel, check the Wh rating and the current airline or airport rules for your route rather than assuming acceptance.
Pick 3
Best premium
Anker Prime Power Bank 27650mAh
Verdict
The strongest premium option for sustained high-output charging and heavier laptop workflows that justify added cost and weight.
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Highlights
- Strong output headroom for demanding setups
- Premium build and monitoring experience
Drawbacks
- High price and heavier carry profile
Buyer fit
Best for
- Fast-charging power users
Not for you if
- Strict budget-first buyers
Check before buying
- Exceeds standard 100Wh TSA flight limits (it is 99.54Wh, but check specific airline rules).
- To reach max output, requires compatible high-wattage cables.
- Confirm exact model, capacity, USB-C PD/output wattage, port mix, supplied cables and seller terms before checkout.
Pick 4
Best specialist or alternative
UGREEN 25000mAh 145W Power Bank
Verdict
A high-output alternative for buyers who want laptop-capable wattage with a different value and feature mix.
Affiliate retailer link. Check current price, stock, delivery and returns before buying.
Highlights
- High-output charging for laptop-class use
- Strong capacity for multi-device sessions
Drawbacks
- Heavier and costlier than standard phone-focused packs
Buyer fit
Best for
- Travel and mixed-device fast charging
Not for you if
- Occasional light phone top-up only
Check before buying
- Check airline regulations; 25000mAh (90Wh) is typically flight-safe but near the limit.
- Confirm exact model, capacity, USB-C PD/output wattage, port mix, supplied cables and seller terms before checkout.
- For travel, check the Wh rating and the current airline or airport rules for your route rather than assuming acceptance.
Top 4 comparison
Compare the useful differences, trade-offs and final checks side by side.
1. Baseus 10000mAh 22.5W Power Bank
- Pick role:Best budget
- Best for:Commuters needing compact backup power
- Avoid if:Laptop-heavy travel charging
- Key trade-off:Lower total capacity for heavy multi-device days
- Check before buying:Verify cable compatibility for your specific devices.
- Warranty/support status:12-month manufacturer warranty (Baseus warranty policy, accessed 2026-04-30). • Support via Baseus Help Center and support form (accessed 2026-04-30).
- Review/evidence basis:Product page used for model-level battery and output context: https://www.baseus.com/products/mini-ja-22-5w-10000mah-power-bank
2. Anker 335 Power Bank 20000mAh
- Pick role:Best overall
- Best for:General-use all-round power bank buyers
- Avoid if:Ultra-light carry-first buyers
- Key trade-off:Heavier than compact 10000mAh units
- Check before buying:Does not include wall charger in the box.
- Warranty/support status:18-month manufacturer warranty (Anker warranty terms, accessed 2026-04-30). • Direct support via Anker Support Center and ticket channels (accessed 2026-04-30).
- Review/evidence basis:Product page used for model-level capacity/output context: https://www.anker.com/products/a1288
3. Anker Prime Power Bank 27650mAh
- Pick role:Best premium
- Best for:Fast-charging power users
- Avoid if:Strict budget-first buyers
- Key trade-off:High price and heavier carry profile
- Check before buying:Exceeds standard 100Wh TSA flight limits (it is 99.54Wh, but check specific airline rules).
- Warranty/support status:24-month manufacturer warranty for Anker Prime series (Anker warranty terms, accessed 2026-04-30). • Direct support via Anker Support Center, firmware/app support via Anker app resources (accessed 2026-04-30).
- Review/evidence basis:Product page for model-level output/app support context: https://www.anker.com/products/a1340-250w-power-bank
4. UGREEN 25000mAh 145W Power Bank
- Pick role:Best specialist or alternative
- Best for:Travel and mixed-device fast charging
- Avoid if:Occasional light phone top-up only
- Key trade-off:Heavier and costlier than standard phone-focused packs
- Check before buying:Check airline regulations; 25000mAh (90Wh) is typically flight-safe but near the limit.
- Warranty/support status:24-month manufacturer warranty. • Support via UGREEN official channels.
- Review/evidence basis:Wattage distribution and capacity verified against UGREEN specifications.
| Pick | Pick role | Best for | Avoid if | Key trade-off | Check before buying | Warranty/support status | Review/evidence basis | Retailer |
|---|---|---|---|---|---|---|---|---|
| 1. Baseus 10000mAh 22.5W Power Bank | Best budget | Commuters needing compact backup power | Laptop-heavy travel charging | Lower total capacity for heavy multi-device days | Verify cable compatibility for your specific devices. | 12-month manufacturer warranty (Baseus warranty policy, accessed 2026-04-30). • Support via Baseus Help Center and support form (accessed 2026-04-30). | Product page used for model-level battery and output context: https://www.baseus.com/products/mini-ja-22-5w-10000mah-power-bank | Check winner price |
| 2. Anker 335 Power Bank 20000mAh | Best overall | General-use all-round power bank buyers | Ultra-light carry-first buyers | Heavier than compact 10000mAh units | Does not include wall charger in the box. | 18-month manufacturer warranty (Anker warranty terms, accessed 2026-04-30). • Direct support via Anker Support Center and ticket channels (accessed 2026-04-30). | Product page used for model-level capacity/output context: https://www.anker.com/products/a1288 | Check retailer price |
| 3. Anker Prime Power Bank 27650mAh | Best premium | Fast-charging power users | Strict budget-first buyers | High price and heavier carry profile | Exceeds standard 100Wh TSA flight limits (it is 99.54Wh, but check specific airline rules). | 24-month manufacturer warranty for Anker Prime series (Anker warranty terms, accessed 2026-04-30). • Direct support via Anker Support Center, firmware/app support via Anker app resources (accessed 2026-04-30). | Product page for model-level output/app support context: https://www.anker.com/products/a1340-250w-power-bank | Check retailer price |
| 4. UGREEN 25000mAh 145W Power Bank | Best specialist or alternative | Travel and mixed-device fast charging | Occasional light phone top-up only | Heavier and costlier than standard phone-focused packs | Check airline regulations; 25000mAh (90Wh) is typically flight-safe but near the limit. | 24-month manufacturer warranty. • Support via UGREEN official channels. | Wattage distribution and capacity verified against UGREEN specifications. | Check retailer price |
Choose this if / Avoid this if
Rule out poor-fit options before comparing finer details.
Avoid if
- You mostly need phone-only top-ups where compact carry matters more than laptop charging headroom.
- You need fixed charging speed outcomes without checking laptop, cable, and power-bank USB-C PD compatibility.
- You need mains-like performance for heavy gaming, rendering, or workstation loads rather than travel/emergency laptop backup.
Dealbreakers
- USB-C PD wattage, cable rating, or device compatibility is unclear for your laptop setup.
- The required output profile only appears on one port or drops under multi-device load for your use case.
- Capacity, weight, airline Wh information, warranty, or returns details are unclear on the current listing.
Check before buying
- Confirm your laptop's charging requirement and match it against per-port USB-C PD output, cable rating, and charger behaviour.
- Check expected usable runtime versus battery size so you do not overestimate real laptop charge gain.
- Confirm whether advertised wattage is per-port or total shared output when multiple devices are connected.
- Check airline/carry rules before travel; this shortlist does not guarantee carrier or security acceptance.
Choose another shortlist if
- Your priority is everyday phone/tablet top-ups where the flagship or budget option gives better value.
- You prioritise pocketability over runtime and should start with compact or travel routes.
- You need wall-charger speed rather than portable backup power.
How we chose
The checks behind the four picks
We scored laptop-capable candidates for sustained output headroom, practical usable capacity, travel carry trade-offs, and value by Amazon UK pricing tiers, then assigned Top 4 roles by buyer intent.
- Step 1: Practical fit for common UK laptop and mixed-device charging use cases
- Step 2: USB-C PD output headroom, cable/device compatibility, and shared-output caveats
- Step 3: Capacity, carry weight, and real usable charge trade-offs
- Step 4: Value by realistic UK pricing bands and availability patterns
- Step 5: Trade-off clarity between entry, balanced, premium, and alternative options
Disclosure
Last reviewed: 05/05/2026
UK Shortlists may earn a commission when you use some retailer links. This does not increase the price you pay.
Retailers cannot pay to change which products we recommend or their order.
Prices, stock, delivery and returns can change. Confirm the final details with the retailer before buying.
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Who checked this shortlist?
- Written / compiled by:
- UK Shortlists Editorial Team
- Reviewed by:
- UK Shortlists Editorial Team
- Last reviewed:
- 05/05/2026
- Review basis:
- Criteria-based comparison
We compare published product information, retailer details and the buying criteria shown above. UK Shortlists does not currently publish claims based on first-party product use, laboratory testing or long-term testing.
FAQs & alternatives
Is the Premium pick always the best option?
No. Premium value depends on your usage pattern, constraints, and whether extra output and capacity are genuinely useful.
Does this shortlist make laptop charging guarantees?
No. Laptop charging depends on your device, USB-C PD support, cable rating, port behaviour, and concurrent load.
How much wattage headroom should laptop buyers target?
Choose a bank that comfortably covers your laptop charging profile rather than matching the minimum on paper. Headroom improves consistency, especially when charging while using the device.
Also consider
- If your spend cap is strict, use the Budget option first and compare caveats before upgrading.
- If your use case is phone/tablet-first, compare the flagship, compact, or travel routes before buying.
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