Ah, power banks. The gadget you wish you didn't need, but can't live without. Anyone who's ever run out of juice without a wall socket or charger nearby will know that these little things are a saviour – and during Prime Day, some of our favourites from leading brand Anker are cheaper than ever.
In the UK right now, you can save 30% on the brilliant Anker PowerCore Essential 20000, bringing the price down to just £21 – which, considering the massive battery capacity, is an absolute steal. And in the US, you can also save 30% on the USB-C version of the same model.
For more brilliant bargains, be sure to visit out main Prime Day deals page!
The best Prime Day power bank deals: UK
The best Prime Day power bank deals: US
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For more deals, check out our sister site T3's Amazon Prime Day hub. And if none of the above deals take your fancy, or they aren't available where you are, take a look at the best power bank deals in your area below.
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