How To Connect A Battery Charger To A Lawn Mower. Most lawn and garden devices have this voltage rating as a way to keep consumers safe from any shock. The positive cable is red.
Connect the chargers red cable to the positive terminal on the mowers battery then the black cable to the negative terminal of the mowers battery. If it isnt fully charged within 8 hours your battery is dead and youll need to replace it. Plug the charger end into the battery connector and plug the charger into the wall for 24 hours.
Black decker BM3B fully automatic battery charger.
I hope this is helpful. This is another good charger that charges and maintains a lawnmower 12 Volt battery. Select 12V and 10A settings on the battery input selection panel before you plug in the charger. Locate the quick disconnect on the battery and unplug it.
