2s li-ion battery 7.4v 2000mah 20c t plug female connector rechargeable battery with usb battery charger for rc car off road truck jumper t16 transmitter etc innovateking <b>note:</b><br/>1.please turn off the power switch and unplug the battery connector after use<br/>2.do not attempt to open ,disassemble the battery pack<br/>3.do not crush,puncture,short external contacts or dispose of in the fire or water<br/>4.do not expose to temperature above 60° (140°f)<br/>5.do not overcharging and over-discharging<br/><b>package includes:</b><br/>1 * 2s 7.4v 2000mah 20c li-ion battery <br/>1 * usb battery charger