These Smart Solar AA Ni-MH Batteries come in a pack of 4 and are a type of rechargeable battery. Ideal for use with solar lights and other battery powered products. Ni-MH stands for Nickel metal hydride battery.
Do not mix with different types of batteries or primary batteries. Make sure to insert correctly and dispose of them according to local regulations.
Rechargeable batteries become less efficient with repeated charge-discharge cycles and the battery capacity reduces.