Lithium Ion Battery, Cylindrical Lithium Battery Cylindrical Lithium Battery 1. 18650 li ion Battery, 3.7V, 2200mAh 2. Environment friendly, well quality 3. 1 year warranty 4. CE, FCC, RoHS, ISO ... SafetyThe cell is approved according UL 1642, CE This battery meets the requirements of Battery Directives and the battery parts are RoHS-Compliant 3, Packaging ...