Smartphone battery with (a) two cells and (b) single L-shaped cell. | Download Scientific Diagram
Amazon.com: Duracell Coppertop D Batteries, 2 Count Pack, D Battery with Long-lasting Power, All-Purpose Alkaline D Battery for Household and Office Devices : Health & Household
A circuit to use 2 single cell li-po / li-on batteries in series and charge them in parallel | 42 Bots
Dell 2-cell 35 Wh Lithium Ion Replacement Battery for Select Laptops | Dell USA