3.7V UN38.3 15.72Wh Lithium Polymer Battery Batteries LPHD9249073 4250mAh High Rate UN38.3 15.72Wh Lithium Polymer Battery Batteries LPHD9249073 4250mAh With Size of 9.2mm* 49mm* 74mm, Alrerady authrized with UN38.3 Certificates, 2C discharge, 8A discharge, 3A charge....