Sanyo Eneloop solar charger can not only charge standard Lithium-ion and Nickel-metal Hydride rechargable batteries, its also capable of utilizing the sun’s energy via an external USB power connection. The stored energy in the batteries can be used to power and charge other devices compatible with a USB port.

Charging time for AA rechargeable batteries is approximately 2 hours and 30 minutes for 1 to 2 batteries, and approximately 5 hours for 3 to 4 batteries.