... Long life 1000 times CE,RoHS,SGS certificate OEM/ODM Lithium Iron Phosphate (LiFePo4) 48V 10AH LFP E-bike Battery and ... -20~60°C,45~85%RHStorage temperature andhumidity0ne month: -20~+55°C,45~85%RHTwo months: -20~+45°C,45~85 ... specific energy: soft packing with aluminum foil composite film on lithium-ion polymer battery, smaller , lighter,,higher specific energy than other ...