Well my started battery is a lead acid battery on my tractor that is about 70 years old and my house battery is a LiFePro4 battery that is on a wagon that waters cows. It drives a 12 volt diaphragm pump that is wired to a pressure switch like you would use on a well. When the cows drink from...
If I have a main battery that is connected to solar through a Victron charge controller and another 12 volt battery that is in a vehicle and I want to connect the two batteries so that if the vehicle is running I am supplying 12 volts (basically taping into the ignition key so only charges when...
