I am on my second chainsaw of that type. I am unsure if it is from running a bigger bar and full chisel chain on it but it really does not do well if it gets bogged down. I've had it de-solder the internal parts of the battery packs and also just overheat them.
RE: The Ick and SHIT Sleep, Race, New Chainsaw, Bar Wrap, Tools, Dog Door, Attempted Burn Pile - Saturday