9V Lithium Type-c usb rechargeable battery Model Number: 9V constantly Material: Lithium Polymer battery Charging Method: Type-C usb cable Charging Voltage: 5V Norminal Voltage: 9V Typical: 650mAh Length: Min 25.5mm, Max 26.5mm Width: Min 16.5mm, Max 17.5mm Total Height: Min 47.5mm, Max 48.5mm Height of Postive and Negative: 3mm Weight: 23.3(+-0.5)g Charging time: 2 hours (+-0.5) Discharging Current: 100mA Cutoff Voltage: 0V Maximum continuous discharge current: 400mA LED Indicators: Red led when charging,blue led when full charged Short-circuited/over-flowed/over-charged/over-discharged protection: YES