Important NOTE - Please Check the Size and VOLTS Before You Place an Order. This is not a AA-size battery and does not fit to replace a AA-size rechargeable battery, this is a 4/5AA size battery. This is SHORTER than a AA-size battery.
Versatile Battery - TAKEN 14430 LiFePO4 battery Compatible with outdoor solar lights, Tooth Brush, Shaver, Home Security Systems, Digital Cameras, Mobile mouse or keyboard.
3.2 Volt LiFePO4 Charger - The 14430 LiFePO4 3.2V battery charger is designed for charging 14430 3.2 volt rechargeable solar battery. High definition LED displays real time charging status. Charges up to 4 rechargeable batteries in independently, without having to only charge batteries in pairs. Each of the four batteries monitors and charges independently.
Built in USB Cable - The lightweight and compact battery charger with a built-in USB charging cable that stows away in a designated secure trough to save space and prevent damage. (Versatile Charging Option: USB or Micro input)
Smart Protection - The charger are built-in safety protection: charge protection, discharge protection, over current protection, short circuit protection. NOTE: DO NOT USE NON-RECHARGEABLE 14430 BATTERIES WITH CHARGER - usage with non-rechargeable battery can lead to possible fire or charger failure.

Taken 14430 3.2 Volt Rechargeable Solar Battery with Charger for Solar Panel Outdoor Garden Lights - 8 Pack