Complete series
Off-Grid Builds
Sample 12V and 24V systems for a cabin, van, tiny house, shed workshop, RV and boat, each with a load list, sizing math, parts list and wiring outline.
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a weekend cabin system
A 12V sample system for a weekend cabin: lights, water pump, a small fridge and charging, with sizing math and parts.

a camper van electrical system
A 12V van build sized around a compressor fridge, fan, lights and laptop, with roof solar and a 1,000W inverter.

a tiny house on solar
A 24V sample system for a tiny house with a full-size fridge, internet, lights and small appliances.

a solar shed workshop
Power tools have big surges. A sample 12V shed system with a 2,000W inverter, a battery bank sized for the current, and solar.

an RV lithium and solar upgrade
Swap an RV's lead-acid batteries for Group 24 LiFePO4, add roof solar and a 1,000W inverter for boondocking.

a small boat house battery
A simple 12V house system for a small boat: one LiFePO4 battery, two 100W panels and a PWM controller for nav lights, electronics and a bilge pump.


