We’ve found AA batteries that cost as little as 4p per hour in the most power-hungry gadgets, as well as some that cost up to 13p per hour. The cost per hour of each battery when used in high, medium and low-drain devices is the best indicator of good value. However, the price you pay for the pack isn't the whole story. Our lab tests have uncovered Best Buy batteries that are a lot cheaper. But you don't necessarily need to spend that much. Top-of-the-range alkaline disposable batteries can set you back roughly £7 to £13 for a pack of four. How much do I need to spend on batteries? You can expect between 6-7 hours on a single charge when they're new, but this will decrease over time.įind a best rechargeable battery to save you using dozens of packs of disposables. The drawback of rechargeable batteries is that they have lower durations. This is much cheaper and it's better for the environment as well since battery disposal and recycling can be a carbon-intense process.
Rechargeable batteries can run for hundreds of cycles, meaning you don't have to buy and dispose of huge quantities of disposable batteries. Rechargeable batteries are made of nickel-metal hydride (NiMH) rather than the alkaline and lithium formulations of disposable batteries. Are rechargeable batteries better than disposables? 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. Typically, the Best Buys are also some of the priciest batteries. This means you can use our results to choose the best battery to suit the type of device you want to use them in. Our lab tests have revealed that some batteries are better in high-power devices, but not so good in low-power devices. Our rigorous lab tests simulate a range of different power drain situations in low-power devices, such as a clock, and high-power devices, such as a camera or torch. Our Best Buy AAA batteries last an hour and a half longer than the worst batteries on test in high-drain devices and four hours longer in medium-drain devices, like a games console. Log in to reveal our pick of the best batteries in our tests.
When the latter will last longer, is the extra hassle of buying, replacing and recycling them more often worth such a small saving? Best AA batteries for 2023 Put them in a medium-drain device, like a games console or Christmas lights, and you'll get an amazing fourteen extra hours.įor high-drain devices, low-cost batteries may only be fractionally cheaper per hour of intensive use than some of our Best Buys. 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 around three hours longer than the worst. 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. No one else tests like Which? – our independent lab tests simulate the way you really use batteries, so you can be confident that our Best Buy AA batteries will power your devices for longer. Use our results to make sure you don't waste your money. Our tough lab tests have uncovered big differences between the best AA batteries and the worst.
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