Can you jump a lawn mower battery with a car battery?
Also to know is, can you jump a 6v battery with a 12v battery?
You can jumpstart a 6 volt with 12 volts, but the safe way to do it is with the key off. Use the 12 volt to impart a charge to the 6 volt battery and then disconnect it before you try to start the engine, otherwise you might fry your gauges and generator/alternator.
Also, can you use a car to charge a lawn mower battery? Assuming the battery is in good enough condition to accept a charge, you can use your car to get the mower going. The best way to charge the battery is to jump-start the mower and leave it running to allow the alternator to do the job.
One may also ask, can you put water in a lawn mower battery?
Use only distilled water in a battery. This prevents chemical reactions from household water with minerals from contaminating the battery. Tap water minerals reduce battery capacity to hold a charge and increase the self-discharge rate.
Can I jump start a dead battery?
If you're stuck with a dead battery, you can start the car by using jumper cables to connect the bad battery to a fully charged one, whether or not it's fitted to another vehicle. Here's a guide on how to jump start a car, assuming that the charged battery is fitted to another vehicle.