I have a battery pack that is not charging up to full capacity. I know the problem is one (or more) bad cells. What would be a good way to tell which of the cells are bad?
Red Scholefield replies:
Depending on the age of your battery pack I would be wary of just replacing one or two cells, kind of like replacing one or two spark plugs or tires. If it’s a fairly new pack that you suspect a cell has gone bad you can probe the sleeve with straight pins and measure each cell. Any cell reading over 1.0 volt is probably OK. Have you run a capacity check on the pack? If you pack is over 4 years old, replace it.