Battery equipped with European standard chargerRechargeable Lithium BatteryName: rechargeable lithium batterCapacity: 10000mAh It takes about 6 hours to fully charge and can be used for 3 hours Precautions:1. Please use a special lithium battery charger for charging;2.Do not reverse the positive and negative poles of the battery, and the positive and negative poles of the battery cannot be short-circuited;3. The battery pack has safety devices. To ensure safety, please do not disassemble or puncture;4. It is forbidden to put into water, fire and strong impact;5. Avoid overheating, humid and corrosive environments when storing;6. Please charge at least once every three months when not in use for a long time.