Level 3 · Off-grid build
Solo Off-Grid Boondocker wiring diagram
For solo travellers who park up off-grid for days: Starlink internet, laptop charging, a diesel heater and a proper fridge, powered by a solar array sized for real overcast-day autonomy.
Open this design in the free editor →No signup · fully editable · re-sizes as you change it
System at a glance
Daily usage
1710 Wh
Battery
314 Ah LiFePO₄
Solar array
800 W
Inverter
400 W
Est. parts cost
£1,472
Appliances in this build
| Appliance | Power | Daily use | Supply |
|---|---|---|---|
| Compressor Fridge (Small) | 45 W | 12 h | 12V DC |
| LED Spot Lights × 4 | 5 W | 3 h | 12V DC |
| Water Pump | 60 W | 0.5 h | 12V DC |
| USB Sockets × 2 | 5 W | 8 h | 12V DC |
| Roof Vent Fan | 18 W | 6 h | 12V DC |
| Diesel Heater | 25 W | 8 h | 12V DC |
| Starlink Mini | 40 W | 8 h | 12V DC |
| Laptop | 60 W | 4 h | 230 V |
| Phone Charger × 2 | 15 W | 3 h | 12V DC |
Recommended parts
Auto-selected for this system size — every part is swappable in the editor.
Battery
Drift ECO 12V 314Ah (Bluetooth)
12.8 V · 314 Ah · 4.02 kWh · LiFePO₄
£500
Solar panel
400W Bifacial Rigid × 2
400 W · rigid · 1722x1134
£435
MPPT controller
SmartSolar MPPT 150/70-Tr
70 A · up to 1000 W solar
£288
DC-DC charger
12V 60A DC-DC On-Board Charger
60 A
£144
Inverter
Phoenix 12/500 VE.Direct
400 W cont · 900 W peak · pure sine
£105
Make it yours
Open this template in the editor to add your own appliances, swap parts, and watch every cable and fuse re-size automatically. Then export the diagram, cable schedule and parts list — free.
Customise in the editor →