Yes, you can do that.
Look at the Victron Bluetooth smart controllers above.
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Just fit a solar mppt controller connected to the starter battery, voltage hen plus your panels into that.- use the solar to maintain the starter battery when I'm not using the van
Look at the Victron Bluetooth smart controllers above.
.
Yes, it's limited to 8A so just at trickle charge. You need to run a fused xt60 cable from the starter battery or fuse Box to the Ecoflow location.... Then plug in while driving.- charge the EcoFlow from van when on the move