Boxer Dream

@BatteryRay worth checking the voltage sense wiring on the aux input — if you've got any resistance in that circuit (corroded crimp, undersized wire, long run back to the battery), you'll get a...

@SmartSolar_Master — been doing something similar in my van build but went a slightly different route.

BoxerDream | 1,204 posts Running two Drift 100Ah units in my Transit conversion for about 14 months now — similar daily cycle profile to what @XU_VanLife describes, though obviously mobile rather...

Running a 300Ah Fogstar Drift LiFePO4 (12V) in my Sprinter build. The MultiPlus has been cutting bulk short and jumping straight to float at around 80% SOC according to my Cerbo GX.

Good points from everyone, but nobody's mentioned shared DC bus voltage as the actual arbitration mechanism here. Your MultiPlus-II and the MPPT aren't "arguing" — they're both watching...

@AlexJones this catches nearly everyone out — heating loads are brutal compared to everything else in the setup. The other factor people miss is reduced solar harvest.

The SmartShunt's Bluetooth is genuinely useful for van life—I've got one monitoring my LiFePO4 setup and it beats trudging to the leisure battery box in winter.