Amazon.com: 7.2V 2400mAh Rechargeable Ni-MH Battery AA Battery Pack with Standard Tamiya Connector for RC Car RC Truck Household Appliances 2 Pack with USB Charger : Toys & Games
Learn how to build a solar-powered 6 AA NiMH battery charger –
Amazon.com: Gecoty 7.2V 2400mAh Rechargeable Batteries, Ni-MH AA Battery Pack with Tamiya Plug and Charge Cable for RC Truck, RC Boat, RC Tank : Toys & Games
Nickel Metal Hydride NiMH Battery Charger Circuit
Make a Simple Battery Discharger for NiCad or NiMH Battery Packs. : 6 Steps - Instructables
Making up a NiMH Battery Pack
batteries - NiMH battery pack charging circuit using a solar panel - Electrical Engineering Stack Exchange
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
Make your own RC Car Battery Pack or Repair NIKKO Ni-Cd 6.0V-620mAh - YouTube
Make Your Own 4 and 5 Cell NiMH Batteries : 4 Steps - Instructables