10440: Same size as AAA cell.
14500: Similar size as AA cell. these with a protection circuit board are slightly longer. Variations include rechargeable Kentli 1.5 V lithium AAs (2800 mAh) and non-rechargeable SAFT-brand primary cells (2600 mAh) utilized in many LED flashlights.
14650:Approximately 5⁄4 the length of a AA cell
16340:Alternate substitute for CR123A primary lithium
16650:Made by Sanyo and a couple of others, narrower version of 18650 cells
18500:About an equivalent length as an AA cell, but larger diameter.