Question: How does a split charge Charger work in a car?

A split charge kit charges a secondary leisure battery while a vehicle is driving. Once the engine stops and the power supply is interrupted, the kit isolates the two batteries and prevents the leisure battery from draining the starter battery.

How do I know if my split charger is working?

Disconnect the leisure battery , make sure the terminals are safely isolated from each other and the van, start the engine, wait a minute and check the voltage at the ends of the leisure battery leads, if you get 13. - 14 volts there the relay is working ok, switch the engine off and this voltage should disappear.

What is a split battery system?

A dual battery system is a vehicle battery system that uses a secondary battery in addition to a vehicles starter battery. This secondary battery is used as a power source to auxiliary gear and accessories.

How does a car charge a caravan battery?

So when you plug your van in, there is a voltage from the tow vehicle present in the caravan all the time” well this circuit is the one that charges the leisure battery. Well some vehicles have a separate output from the ECU for this circuit, others have a second relay controlled by the ECU for this output too.

Can I use a car battery charger to charge a leisure battery?

There is nothing wrong with using a car battery charger to charge a battery that is described as a leisure battery. The important point is that it should not be left charging a battery for long periods of time .so it is not a charger for people that want to fit and forget. You do need a smart charger for that.

What is the difference between a car battery charger and a leisure battery charger?

Leisure batteries are designed to provide low currents for long periods of time and then to be recharged relatively slowly. This is the opposite of a car battery which has to provide a very high current to start the car and then is very quickly recharged by the cars alternator.

How long does it take to charge a leisure battery?

If you have a 100 amp-hour (Ah) leisure battery and you have used it to 50%, you will need to replace the 50Ah. The alternator delivers 5A to the leisure battery; therefore, it will take 10 hours of driving to recharge the battery. If youre using the mains charger, then expect a max of 3-4 hours.

Can you use a car battery charger to charge a leisure battery?

There is nothing wrong with using a car battery charger to charge a battery that is described as a leisure battery. The important point is that it should not be left charging a battery for long periods of time .so it is not a charger for people that want to fit and forget. You do need a smart charger for that.

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