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How to charge starter battery with lifepo4, 800va multiplus, smart mppt

I'm trying to buy a new setup for a campervan which will have a lifepo4 leisure battery and a lead acid starter. I need to be able to charge the starter battery from solar and mains hook up but I've noticed that the 800 multiplus only has a 1a feed to the starter which isn't enough and I can't see any way to connect the solar controller up to both at the same time. I'm going to use an Orion smart to charge the lifepo4 battery, is one possible solution to buy a second Orion to charge the starter from the lifepo4 circuit once it is charged?

Thanks

Lithium Batterysolarstarter battery
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emarges answered ·

I have just added a small AC powered battery charger (i.e. a blue smart) from the Multiplus to the starter battery to keep it charged.

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