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Hi everyone, I recently had a reputable marine electronics company add a lithium battery to my existing battery bank consisting of a starter battery and 2 lead acid golf batteries wired in series. They installed an Orion DC/DC to charge the lithium off the starter battery. This looks like what Victron recommends but with the engine on, the starter battery and golf batteries show a charge while the lithium doesn't. Any and all suggested troubleshooting recommendations are welcome!
Can you post the settings on the 12V-12V charger? I think there's a setting to allow it to boost voltage, that needs to be set. If it's only got 13.3V available from the golf-battery bank, it can't put more than 13.3V into the lithium bank (less actually, as there's some drop -- but I believe the Victron 12V-12V chargers do have the ability to voltage boost). And 13.3V won't charge a lithium battery (much)
