Level 4 · Full-timer build

Couple Full-Timer wiring diagram

A complete live-aboard system for two: large fridge, full lighting, heating, hot water control, Starlink, two laptops and shore power for winter pitches. Every circuit is sized for daily, year-round use.

Leisure Battery Bank314 Ah LiFePO4Main Battery FuseBattery IsolatorPositive & Negative Busbars150 A rated pairSolar Array800 W (2 × 400 W)PV IsolatorMPPT Charge ControllerSmartSolar MPPT 150/70-TrStarter Battery / AlternatorVehicle 12 V systemDC-DC Charger12V 60A DC-DC On-Board ChargerShore Power Inlet230 V CEE hook-upRCD Inlet Protection30 mA RCD, double-poleMains Battery ChargerDrift 12V 20A LiFePO4 ChargerInverter FuseInverter400 W pure sineAC Consumer Unit (RCD + MCBs)1 × MCBLaptop12 V Fuse Box11-way blade fuse boxCompressor Fridge (Large)LED Strip LightsLED Spot LightsWater PumpWater Heater ControllerRoof Vent FanDiesel HeaterStarlink MiniTV / MonitorUSB SocketsPhone ChargerChassis Bond
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System at a glance

Daily usage
2406 Wh
Battery
314 Ah LiFePO₄
Solar array
800 W
Inverter
400 W
Est. parts cost
£1,537

Appliances in this build

AppliancePowerDaily useSupply
Compressor Fridge (Large)65 W12 h12V DC
LED Strip Lights12 W4 h12V DC
LED Spot Lights × 45 W3 h12V DC
Water Pump60 W0.5 h12V DC
Water Heater Controller35 W1 h12V DC
Roof Vent Fan18 W6 h12V DC
Diesel Heater25 W8 h12V DC
Starlink Mini40 W8 h12V DC
Laptop × 260 W4 h230 V
TV / Monitor30 W3 h12V DC
USB Sockets × 25 W8 h12V DC
Phone Charger × 215 W3 h12V 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
Shore charger
Drift 12V 20A LiFePO4 Charger
20 A · 230V AC
£65
Inverter
Phoenix 12/500 VE.Direct
400 W cont · 900 W peak · pure sine
£105

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