VoltMule

Examples

Three real off-grid setups

Concrete starting points. Each was sized with the same method the calculator uses — load them as presets and adjust to your own gear.

Weekend van

Fridge, LED lights, roof fan, phone charging, water pump

Daily use
~600 Wh/day
Battery
100 Ah @ 12V LiFePO4 (1.3 kWh)
Solar
200 W
Controller
20–30 A MPPT
Inverter
Not needed (all DC) — or a small 300W for a laptop

Full-time van

Fridge, lights, fan, Starlink, laptop, water pump, occasional induction cooking

Daily use
~1,900 Wh/day
Battery
200 Ah @ 12V LiFePO4 (2.6 kWh)
Solar
600 W
Controller
60 A MPPT
Inverter
2,000 W pure sine (for the induction hob)

Off-grid cabin

Full fridge, lights, TV, laptop, Starlink, water pump, washing machine, tools

Daily use
~3,500 Wh/day
Battery
300–400 Ah @ 24V LiFePO4 (7–10 kWh)
Solar
1,200 W
Controller
60–80 A MPPT
Inverter
3,000 W pure sine

Size your own

These are averages — your fridge, sun and habits differ. Get numbers for your exact setup.

Open the calculator →

Planning estimates only; follow local electrical code and consult a professional for complex builds.