Apple's battery guide describes lithium-ion batteries as "consumable components" that naturally lose capacity over time. To slow that decline, iPhones use Optimized Battery Charging, which learns your ...
The VX2 Pro is a two-slot battery charger that can take a wide variety of cell types and sizes. You can pop in AA, AAA, C, D, 18650, 21700, and more, and the unit will automatically detect the battery ...