High Capacity 3.7V 4000mAh Rechargeable Battery,Lithium Li-ion battery with Terminal plug,Robots RC Car Battery Accessories(4500mAh)

BASIC INFO: Battery Voltage: 3.7V; Capacity: 4000mAh; Dimensions: 36*65mm/1.41*2.55inch; Weight: 110g/0.24lb; Plug: 1.25 Terminal Head Plug.（If you need other plugs, please contact us） RELIABLE PERFORMANCE: Positive and negative electrode protection plate, high-strength stainless steel and Cycle 500 times.PCM protection function: over charge, over discharge, over current, short circuit protection, over temperature protection STORAGE: Keep the cells in 40%-60% charged state during long period storage.We recommend to charge the battery every 3 months after receipt of the battery and maintain the voltage 3.7-4.0V. Store battery in cool and dry place APPLICATION: Suitable for Bluetooth speaker, dash cam, keyboard and mouse, Wi-Fi enabled smart home systems, PDA and digital cameras,monitoring units, e-books,sleep management equipment, etc MUST CONFIRM BEFORE PURCHASE: 1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity (only if the voltage, dimension and the plug match, then it will fit)