Keep a pack of the best batteries ... several models and brands. Our evaluation included extensive discharge tests to see which batteries lasted the longest -- including AA, AAA, C, D and 9 ...

Finding reliable batteries is essential for powering everyday devices, from remotes to toys and gadgets. With so many brands ...

Unlock to see our ratings and compare products side by side The Amazon Basics Performance AA Alkaline is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries ...

With NiMH AA batteries, you have to top them off before use because they ... "I've tested several brands now, and they all seem to lose 12 to 15 percent of their charge in the first month after ...