Looking for a power bank that charges your phone, tablet, or even a laptop over USB-C? This guide covers three solid picks for UK buyers, from a slim everyday option to a high-output do-it-all unit, so you can match the right capacity and wattage to how you actually charge.
Top picks
1. UGREEN Nexode Power Bank 20000mAh 145W - Best Overall
SPP Score: 7.5 / 10 - 20000mAh capacity, 145W output with a built-in USB-C cable. Our all-round pick.
Capability 10/10 - Versatility 4/10 - Build 7/10 - Value 8/10
The UGREEN Nexode Power Bank 20000mAh 145W is the bank most people should start with, pairing a generous 20000mAh capacity with up to 145W of output across three outputs. The built-in USB-C cable means one decision fewer when you pack, and 80W input gets the bank itself back to full quickly. With three-port output it can share power between a laptop, phone, and tablet at once, which makes it the all-rounder to beat.
Pros
- ✓ Up to 145W output can fast-charge many laptops, not just phones
- ✓ Built-in USB-C cable saves carrying a separate lead
- ✓ 80W input means the bank itself refills briskly
Cons
- ✗ 20000mAh adds bulk and weight versus slim pocket banks
- ✗ Three-port output shares the total wattage, so each device gets less at full load
Who it's for: Anyone wanting one bank to fast-charge a laptop and phones, with a cable always attached. Who it's not for: Someone who only ever tops up a single phone and wants the lightest option.
2. Anker Zolo Power Bank 10000mAh 30W - Best Budget
SPP Score: 6.5 / 10 - 10000mAh capacity, 30W output with a built-in USB-C cable. Our value pick.
Capability 6/10 - Versatility 5/10 - Build 8/10 - Value 8/10
The Anker Zolo Power Bank 10000mAh 30W covers the essentials without the bulk. Its 10000mAh capacity is the classic everyday size, small enough to drop into a bag or large pocket, and 30W high-speed output is enough to fast-charge a phone. The built-in USB-C cable is always there when you need it, and the separate USB-C port handles charging in and out. If you mainly need to keep a phone alive through a long day, this does the job cleanly.
Pros
- ✓ 10000mAh is a practical everyday size for a few phone top-ups
- ✓ Built-in USB-C cable means there's always a lead to hand
- ✓ 30W high-speed output fast-charges most phones
Cons
- ✗ 10000mAh and 30W are modest for charging power-hungry laptops
- ✗ Built-in cable is fixed, so it can't be swapped if it wears
Who it's for: Commuters and travellers who just need reliable phone top-ups with a cable built in. Who it's not for: Anyone needing to fast-charge a laptop or power several devices at once.
3. Anker Prime Power Bank 20100mAh 220W - Best Premium
SPP Score: 8.2 / 10 - 20100mAh with 220W total output and 140W from a single port. Our pick for maximum capability.
Capability 10/10 - Versatility 6/10 - Build 8/10 - Value 8/10
This is the ceiling of what a 20000mAh-class bank can push out over USB-C. Anker rates the Prime's total output at 220W, with either USB-C port capable of 140W on its own - enough to feed a 16-inch laptop at full speed while the second port fast-charges a phone. A USB-A port covers legacy leads, the display reads out live wattage, and the companion app keeps those numbers on your phone. If USB-C output is the spec you're buying on, nothing else here comes close.
Pros
- ✓ 140W from a single USB-C port, per Anker's rating - full-speed charging for big laptops
- ✓ 220W total across two USB-C and one USB-A keeps several devices at pace
- ✓ Live wattage display plus app show exactly what each port is doing
Cons
- ✗ Overkill in size and output for phone-only charging
- ✗ No built-in cable, so you bring your own leads
Who it's for: Power users and travellers charging laptops and several devices off one bank. Who it's not for: Someone who only needs occasional phone top-ups and wants to travel light.
Quick verdict
For most people the UGREEN Nexode Power Bank 20000mAh 145W is the pick to get, balancing strong USB-C output with enough capacity for phones, tablets, and many laptops, plus a cable built in. If you want a leaner everyday option for phone top-ups, the Anker Zolo Power Bank 10000mAh 30W covers the essentials, while the Anker Prime Power Bank 20100mAh 220W is there when you need maximum output from a 20000mAh-class unit.
How we chose
USB-C output is the whole point here, so we judged each bank on: capacity in mAh, USB-C output wattage, port layout, and how well each fits real UK charging needs from commuting to laptop work. We weighed portability against output, and the value each pick offers for its category rather than chasing numbers on paper. Every link opens the live Amazon UK listing, so you can match the quoted USB-C wattage to the laptop or phone you actually need to charge.
FAQ
Q: Can a USB-C power bank charge a laptop? A: Yes, if the bank supports enough USB-C output wattage for your laptop; the 145W and 220W picks here have the headroom for many USB-C laptops, while a 10000mAh 30W unit is better suited to phones.
Q: What does mAh mean for how many charges I get? A: mAh is the bank's capacity, so a higher figure generally means more top-ups before the bank itself needs recharging; a 10000mAh unit suits a couple of phone charges, while 20000mAh stretches further - our 20000mAh power bank guide compares three of them.
Q: Do these power banks come with a cable? A: The UGREEN Nexode and the Anker Zolo here have a built-in USB-C cable, so a lead is always attached; to hit the highest USB-C output you still want a cable rated for that wattage, so check the listing on Amazon UK and use an appropriate USB-C cable.
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