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Get Your Batteries Charging with a Split Charge Relay

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Split charging means charging both the campervan’s starter battery and house batteries at the same time from the same charging source.

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Charging leisure batteries from the engine using a split charging system ONLY works for AGM & GEL batteries

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If you have Lithium Batteries or smart alternator, it won't work.

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Once the starter battery is charged, the work of the alternator is mostly done. Any excess electricity generated goes to house battery

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With the engine on, the split charge relay uses a 12v supply, which makes the connect between starter and leisure battery bank.

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When the engine is off, the relay loses its power supply. The circuit is opened, isolating the batteries from each other.

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Because it’s simple, a split charge relay doesn’t have many component parts. With less things to go wrong, they’re pretty reliable and cheap!

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A VSR is often called a smart relay or an intelligent split charge relay and is the most popular split charging method

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