Unlock to see our ratings and compare products side by side The Energizer Ultimate Lithium AA is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries models like ...

Our evaluation included extensive discharge tests to find long-lasting alkaline batteries -- including AA, AAA, C, D and 9-volt options. We also considered the cost per battery for each option to ...

We discharge four of each disposable battery, store them, and then check each week for any signs of leakage. The image below shows batteries being put through our leakage test. We regularly revisit ...

Unlock to see our ratings and compare products side by side The Energizer Advanced Lithium AA is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries models like ...