As one would expect, the result is the price of alkaline batteries is much lower than that of lithium batteries. On ...

Our thorough evaluation involved extensive discharge tests to identify the longest-lasting alkaline batteries, including AA, AAA, C, D and 9-volt options. Furthermore, we analyzed the cost per ...

The difference in voltage discharge curves between alkaline and lithium batteries explains why their performance can vary dramatically in certain devices. If you've ever experienced a lithium AA ...

The Rayovac Fusion Advanced AA Alkaline is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries models like the Fusion Advanced AA Alkaline are rated on multiple ...

The Amazon Basics Performance AA Alkaline is part of the Batteries test program at Consumer Reports. In our lab tests, AA batteries models like the Performance AA Alkaline are rated on multiple ...

[Ray’s] breadboard power supply lets you drain the last traces of power from ‘dead’ AA batteries. Electronics that are powered off of disposable alkaline batteries have a cutoff voltage that ...

For AAA batteries, our Best Buys last an hour and a half longer than the worst. In a medium-drain device, you'll get an amazing 14 extra hours from our Best Buy AAs, and four additional hours from our ...