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Why you should be using rechargeable batteries

Rechargeable batteries can be used over and over again – in fact, in our testing, we put our rechargeables under high-drain conditions to see just how long they’ll last before...

The batteries you need this Christmas

Our latest tests reveal which are the best AA and AAA batteries to buy this Christmas, from powering your kids' toys to fairy lights and remote controls.

Best bargain rechargeable batteries

Which? uncovers six new Best Buys in our latest test of AA and AAA rechargeable batteries, but we also found the worst battery we’ve seen in years.

Best batteries for Christmas

Which? reveals how to spot a bargain on batteries for Christmas from more than 50 battery types tested in 2017.

Bargain Best Buy rechargeable battery uncovered

Cheap rechargeable batteries can be among the best. Find out how rechargeable batteries from Ikea fare against the likes of Duracell in our tests.

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