... li-ion batteries 2.CE,ROHS,UL Approval 3.Use for bluetooth,game player,gps,gift 4.With BMS ... , overheating, smoke emission, bursting and/or ignition. 5) Use specific Polymer charger only. Do not use ... self discharge characteristics in case the cell is not used for a long time. In order to prevent over ... cell shall be charged periodically to maintain around 3.0V to 3.8V. Over discharging may lead to loss ...