Toshiba 1.2V 1000mAh AA rechargeable battery can give a superior performance under low-temperature conditions. It is a lead-free pump, non-toxic and environmentally friendly. It has low self-discharge, no memory effect and the capacity after a year will stay still at 90%. It has features for overcharge protection, over-voltage protection, short circuit protection, overpower protection, overcurrent protection, and temperature protection.