Redcat Racing HX-500020C-B Version 4.0 5000 LIPO Battery-7.4V 2S 20C Hard Case Banana Connector 5000 LIPO Battery - 7.4V 2S 20C Hard Case Banana 4.0 Connector HX-500020C-B With Banana 4.0 Connector Tools and Accessories : HX-500020C-B