Originally Posted by
KSA-Cossie
You could quite easily fook the drill on the 1.4 ah battery,as stated above just means you get a longer supply of power from the bigger battery.1.4 2.1 or 3 ah can still overcook the field coil.
That does make sense. I suspect that if I shorted the terminals of the 1.4ah battery I would see quite a bit more than 1.4Amps for a very short period of time

I would be very surprised if the battery had any kind of built-in current regulation