Supermoon Rechargeable ips Light with USB OutputModel No: SM-78002-4 Hours LightingCharge For 20-24 Hours Before 1st UseAlways Charge Light After UseWhen Not In Use, Charge The Light Every 3 MonthsPower Source: 220-240V – 50/60 HzBattery: 4V 3000mAhAC Charge Time: 15-20 HoursDC Charge Time: 6-8 Hour..