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Technical
Split Charge draining battery
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<blockquote data-quote="gagvanman" data-source="post: 638967" data-attributes="member: 17411"><p>My bus has a 53AH starter battery and a 105AH leisure battery, and a split charge system.</p><p>For some time the bus starter battery goes flat if left for a week without starting.</p><p>I initially thought it was a battery problem so replaced with a new one.</p><p>However, problem remained.</p><p>Recently I had my engine out to do some work on the heads. I disconnected both the starter and leisure batteries. Charged both batteries fully. Checked both batteries every day and no voltage drop.</p><p>Engine back in and starter battery connected (Lb left disconnected), no voltage drop over a week.</p><p>Connected the Lb backup and within a day the Sb is flat again.</p><p>Split charge is done by a 12V 140amp Durite 0-727-33 voltage sensitive/intelligent Split Charge Relay.</p><p></p><p>Wired as per the diagram:</p><p></p><p>Any thoughts?</p></blockquote><p></p>
[QUOTE="gagvanman, post: 638967, member: 17411"] My bus has a 53AH starter battery and a 105AH leisure battery, and a split charge system. For some time the bus starter battery goes flat if left for a week without starting. I initially thought it was a battery problem so replaced with a new one. However, problem remained. Recently I had my engine out to do some work on the heads. I disconnected both the starter and leisure batteries. Charged both batteries fully. Checked both batteries every day and no voltage drop. Engine back in and starter battery connected (Lb left disconnected), no voltage drop over a week. Connected the Lb backup and within a day the Sb is flat again. Split charge is done by a 12V 140amp Durite 0-727-33 voltage sensitive/intelligent Split Charge Relay. Wired as per the diagram: Any thoughts? [/QUOTE]
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Split Charge draining battery
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