Power Specs: Battery Type: Li-polymer Voltage: 11.36V Capacity: 98.8Wh/8790mAh; The battery is durable and has overcurrent protection, anti-overcharge, anti-overdischarge and temperature control functions.Estimated number of recharges: about 500 times. (The number of charges and usage time will vary by model and usage). The remaining power can be displayed, and it can be charged directly with the host and the original charger.