colin9

One of the terminals on my M18 RedLithium High Output XC8.0 battery melted after about a month of use. I use it on a M18 FUEL grass trimmer I bought about six weeks ago from Home Depot (the battery came with the trimmer). (I love it by the way!) A few days later, the terminal on another 12ah battery also melted on the same terminal when used with the grass trimmer. The overheat protection hasn't kicked in. I just noticed the melted terminal because it's hard to remove the battery now. There's also a grey powder that has collected on the battery around where it slides into the tool. Ideas?