Package Included:2 x 18650 3000mAh 3.7v Li-ion BatteriesFeature：18650 3000mAh 3.7V rechargeable li-ion batteryOver temperature and over current protectionShort-circuit protection & Environment friendlyWidely used on torch， laser pointer， as emergency lighting and other portable devicesColor: Blue/Red(Random)1.Voltage: 3.7V2.Capacity: 3000mAh (high capacity)3.Chemistry: Li-ion (Lithium Ion )Over temperature and over current protectionShort-circuit protection & Environment friendlyWidely used on torch， laser pointer， as emergency lighting and other portable devices