About this item Battery size: 1.49*0.75*2.75 inch, Weight:92g,2000mAh Battery plug ,5500-2P black plug, make sure your device battery same plug and dimensions Rechargeable: could be charged and discharged multiple time, durable and save money Function: As a spare battery for a your remote-controlled car and can extend the playing time Light weight and safe: suitable for outdoor playing, safe in normal use, good choice for your rc model 7.4V 2000mAh battery suitable for the RC Car, please make sure your RC cars battery has the same connector before purchase 1.Please turn off the power switch and unplug the battery connector after use 2.DO NOT Attempt to open ,disassemble the battery pack 3.DO NOT Crush,puncture,short external contacts or dispose of in the fire or water 7.4V 2000mAh 20C.