Are best buy batteries any good?

Typically, the Best Buys are also some of the priciest batteries. However, you can save money by opting for high scoring own-brand batteries, where a pack of eight is just a fraction of the price of other Best Buys. Log in to reveal our pick of the best batteries in our tests. Not a member? Join Which? today. Last updated June 2024.

Which AA batteries are best?

We’ve compared Energizer, Duracell and Panasonic batteries with supermarket own-brand batteries, such as Aldi, Morrisons, Lidl and Sainsbury's, to find the very best. Put a set of one of our Best Buy AA disposable batteries in your most power-hungry devices, such as a camera or torch, and they will last over three hours longer than the worst.

What type of battery should I buy?

Shop around for AA and AAA batteries and the main types you’ll find are alkaline and lithium disposable batteries. Lithium batteries last a lot longer in more energy intensive devices. We've found that they can give you 2-3 hours more power than an alkaline battery. But they're also much more expensive.

Which rechargeable batteries should I buy?

For a busy household that's always pressing play, consider a larger set of rechargeable batteries to avoid quarrelling. HiQuick offers eight rechargeable AAAs complete with a universal intelligent battery charger that can recharge depleted batteries in three hours. Each one offers 1100mAh of power.

What is the best alkaline battery?

We then left the batteries to cool down and re-ran our test to check if there was any charge remaining. Impressively, the Ultra AA boasted the highest result of any alkaline batteries we’ve reviewed, as the total capacity was an average of 1680.5mAh.

Which AA battery is best for a torch?

While most devices that draw a lot of power require AA batteries, there are some, such as some torches, that run on AAA batteries. For these kinds of device, the Ansmann Micro AAA 1100mAh are the best choice. These are the highest-capacity AAA batteries that we have tested, with a rated capacity of 1100mAh.