Specification: Model: 68300900 Voltage: 3.6V Rated capacity: 2100mAh Grau/Grey The more times the battery charges, the smaller the battery capacity, the outside temperature is lower than 0℃, will affect the charging effect of rechargeable batteries. Under normal circumstances, rechargeable batteries can be recharged more than 500 times. Package included: 2x 3.6V 2.1Ah Battery 68300900