Amazon.com: melasta 8.4V 4200mAh Hump NiMH Battery Pack Fit for Tracxas RC Racing Car Truck Boat Tank RC Hobby, 7-Cell Rechargeable RC Nimh Battery : Toys & Games
MIGHTY MAX BATTERY Smart Charger for 8.4-Volt - 9.6-Volt NiMH Battery Packs with Mini Tamiya Connector ML-8496CH38 - The Home Depot