D size alkaline battery
1.5v, pack with aluminum foil jacket, 3.9 ohms contiune discharge to 0.9v discharge time >40hours
Lr20, d size
C size alkaline battery
Lr14, c size alkaline battery, pack with aluminum foil jacket, 3.9 ohms contiune discharge to 0.9v ú¼discharge time >17hours
Lr14, c size battery.