Amazon.com: Zeee 14.8V Lipo Battery 4S 100C 7000mAh Soft Case Battery with EC5 Connector Compatible for X-Maxx RC Truck Tank RC Car Racing Hobby (2 Pack) : Toys & Games
Amazon.com: Zeee 14.8V 100C 9000mAh 4S RC Lipo Battery Deans Connector with Metal Plates Compatible for Xmaxx RC Car RC Truck RC Tank RC Models : Toys & Games
4S TRAXXAS ID Male to JST-XH Balance Plug Adapter for X-Maxx 8S Truck (Xmaxx) 604776961741 | eBay
Traxxas 4S Completer Packs For The X-Maxx & Maxx - RC Car Action