Product descriptions from the supplier High Capacity: 2100mAh ensures long-lasting power. Low Voltage: 1.2V suitable for various electronic devices. Rechargeable: Easy to use and environmentally friendly. Portable Design: Ideal for portable electronics and toys. Stable Discharge Performance: Constant power output during discharge, ensures stable operation of devices. Long Cycle Life: Supports hundreds of charge & discharge cycles, greatly lowering long-term usage cost. No