6.4V 2S 650mAh LiFe Battery KET-2P male plug for RC Car Truck Buggy Racing Speed Boat
Amazon.com: Rechargeable Lithium Battery 500mAh 6.4V JST+SM3P Plug for WLTOYS 18401 18402 RC Car Household Electric Appliances Lighting Equipment with USB Charging Cable : Health & Household