# Question: Can you charge a lawn tractor battery with a car battery?

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nothing. 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.

## How long does it take to charge a lawn mower battery with a car?

For a trickle charge < 3amps 12-24 hours should be good. If you plan on using it soon, then you can jump it or use a higher charge rate then while you run/use the mower, it should catch up the charge on a good battery.

## Can you jump start a riding mower with a car battery?

Most riding mowers have 12-volt batteries, too. … Of course, you need to check to be sure. RAY: If your mower uses a 12-volt battery, use the jumper cables as you would when starting another car.

## How long does it take to charge a 12v lawn mower battery?

If you are using a 10-amp charger, your mower’s battery should charge in approximately one hour. Of course, connecting the battery to a lawn mower battery charger that has fewer amps may extend charging time.

## Can you recharge a dead lawn mower battery?

Usually you can revive a battery by charging it for a few hours, but if that doesn’t work, testing it with a multimeter will determine if is it dead or if another part of the electrical system is at fault. Maintaining a fully charged lawn mower battery can extend battery life for four to five years.

## How many amps is a 12v lawn mower battery?

If this is the question you are asking, the answer is simple. Most modern battery-powered lawn mowers have 12amp engines – which means 12 amps of current is delivered constantly to drive the engine.

## How do I know if my lawn mower battery is 12 volt?

Count the number of plastic caps, if present, and multiply them by two to determine the battery voltage. For example, if there are six caps, it’s a 12-volt battery, because 6 times two equals 12.

## How do I know if my lawn mower battery is bad?

Is Your Lawn Mower or Small Engine Battery Dead? If your lawn mower battery won’t hold a charge, connect it to the charger. If it isn’t fully charged within 8 hours, your battery is dead and you’ll need to replace it. If your lawn mower battery does charge fully, the charge should not drain if it is not in use.

## Can you jump a 6v battery with a 12v?

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.

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## How long should a lawn mower battery last?

Generally, electric lawn mower batteries last 3 – 5 years or 500 charges. However, the battery may fail within 1 year or last as long as 7 years.