Hi-Watt Alkaline AA, AAA, C Cell, D Cell, PP3 Batteries | Rapid Online
9 Types of Battery Sizes & Where are they Used?(AA,CR2032)
Batteries4pro - Sizes and Formats of cells and batteries
Why cant you use a AAAA Battery instead of 2 AA Batteries.? - Quora
Sleeves and spacers turn AA or AAA batteries into C- or D-cell
AA battery - Wikipedia
Amazon.com: Tenergy High Drain AA AAA C and D Battery, 1.2V Rechargeable NiMH Batteries Combo, 8-Pack 2500mAh AA Cells, 8-Pack 1000mAh AAA Cells, 4-Pack 5000mAh C Cells and 4-Pack 10000mAh D Cell