X-Deals Lithium Battery Charger for 18650 18500 17670 16340 14500 10440 Battery Charger for 18650 18500 17670 16340 14500 10440 Use: Standard battery Input voltage: AC100-240V, 50-60Hz Operating temperature: 0-40 Celsius degree When charging has completed, please cut off power supply and take out the batteries. Otherwise the battery will continue to discharge.