Baseus Airpow 20W 20000mAh Power Bank, Galaxy Blue

At 20000mAh, the Baseus Airpow comfortably covers two to three full phone charges before it needs a top-up itself, making it a realistic option for a full day out or a short trip rather than just an emergency top-up. The 20W output supports fast charging on compatible phones, so you're not stuck waiting through a slow trickle charge when you actually need the battery back quickly.

The honest trade-off with any 20000mAh bank is weight and size: this is a pocket-filler, not a slim card-style bank, and it will noticeably add bulk to a bag or jacket pocket. At 20W it also won't fast-charge a laptop or tablet at their full rated speed — it's sized for phones and small accessories, not as a laptop power source. The Galaxy Blue finish is a cosmetic option on top of the same internals.

• 20000mAh capacity, roughly 2-3 phone charges
• 20W fast-charge output for compatible phones
• Not intended for laptop-speed charging