Amazon Prime day hits on 13 October. If you have your eye on some exciting new gadgets, don’t forget the batteries to power them. The best we’ve tested could keep...
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.
Which? reveals how to spot a bargain on batteries for Christmas from more than 50 battery types tested in 2017.
We compare the best and worst AA disposable batteries to identify which type works best for a range of devices.
Cheap rechargeable batteries can be among the best. Find out how rechargeable batteries from Ikea fare against the likes of Duracell in our tests.