... Service, After-sales service. Warranty:1 year Certificates:ROHS,CE,UL,ISO,UN38.3,SGS Li ion polymer batteries Li ion ... -3.90V3.11Environmental requestRoHSIf the materials of the product and packaging accord with RoHS standard,there will be a RoHS Id on the ... /ODM Service, After-sales service.Warranty:1 yearCertificates:ROHS,CE,UL,ISO,UN38.3,SGS etcPackaging & DeliveryPackaging Detail:Blister Card pack ...