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 ... centigrade - Charge Retention/Storage [%]: 1 year at -20 to +25 degree centigrade 3 month at -20 to ... 1642, CE This battery meets the requirements of Battery Directives and the battery parts are RoHS-Compliant 3, Packaging Cardboard, ...