power supply - How to calculate time for NiMH batteries to discharge? - Electrical Engineering Stack Exchange
Choosing and Using Nickel-Metal-Hydride (NiMH) Rechargeable Batteries
Nickel Metal Hydride (NiMH)
Inaccuracies of Estimating Remaining Cell Capacity with Voltage Measurements Alone
Amazon.com: 1.5V Lithium Batteries AA, Pallus Rechargeable AA Batteries 3000mWh with Fast Charger, 4 Pack Double A Batteries for Flashlight, Toys, Remote Control : Health & Household