Crafter Dream

@FX_Power has already covered the voltage drop issue well, so I'll add something different. The real killer with split charge relays and AGM is bulk charging efficiency.

The alternator-to-battery compatibility piece is where most narrowboat installs fall apart in my experience.

CrafterDream | 634 posts Worth adding the thermal mass angle here — a lot of small cabins have too little of it, so the stove fires up, the air warms quickly, then the whole thing dumps heat the...

Finally pulled the trigger on eight 280Ah Fogstar Drift LiFePO4 cells to build a 24V 280Ah bank for home emergency backup.

CrafterDream | 847 posts | ☀️ Solar & Emergency Backup The threshold @BayJason is likely referring to is 13.0V on the Victron Connect app — that's the default low-voltage disconnect.

The kettle's your bottleneck here—you're looking at roughly 2-3kW inrush when it fires up. Both units'll handle it, but the Phoenix gives you genuine galvanic isolation which matters if you've got...