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.
Only the best batteries become Best Buys. Which? Don't Buy batteries Which? Don't Buy batteries run out of power sooner than better options
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.
Alkaline batteries are more readily available but are prone to leaking if left for long periods. AAA batteries are another common battery type that are smaller in size compared to AA batteries. While they have the same 1.5 voltage as AA batteries, their smaller size means they have a lower energy capacity.
Although rechargeable batteries may be more of a popular option, as they offer better value over their lifespan and are better for the environment, a disposable set of alkaline AA or AAA batteries is incredibly convenient.
Trailcam Pro tested some batteries' performance in cold temperatures, and found that the Tenergy Premium AA rechargeable maintained 86 percent of its room temperature capacity even down at 5 degrees Fahrenheit. Next is German manufacturer Ansmann's batteries, which performed very well in independent testing.