Lithium Ion Battery, Cylindrical Lithium Battery Cylindrical Lithium Battery 1. 18650 li ion Battery, 3.7V, 2200mAh 2. Environment friendly, ... SafetyThe cell is approved according UL 1642, CE This battery meets the requirements of Battery Directives and the battery parts ... 4, Application: Power station, laptop battery, P/C battery, power tools battery 18650 Lithium Ion Battery, 3.7V, 2200mAh, 500 Times ...