7.4V 2000mAh battery suitable for the RC Car, please make sure your RC car's battery has the same connector before purchase Function: As a spare battery for a your remote-controlled car and can extend the playing time 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 Light weight and safe: suitable for outdoor playing, safe in normal use, good choice for your rc model.