6v NiMH 1600mAh RC Hump Rechargeable Battery + USB Charger - JST / Futaba UK | eBay
RS PRO | RS PRO 6V NiMH Rechargeable Battery Pack, 1.3Ah - Pack of 1 | 777-0374 | RS Components
Amazon.com: Blomiky 6V 2200mAh Ni-MH 5 AA Rechargeable Battery Pack with SM-2P Black 2 Pin Connector Plug and USB Charger Cable for RC Truck Cars Vehicles 6V NiMh : Toys & Games