RV Electrical Guides

Boondocking Energy Budget

How to build a real daily boondocking energy budget in amp-hours, converting AC loads correctly and accounting for duty cycles ins

Read a Battery Monitor

How to read an RV shunt battery monitor: state of charge, amp-hours consumed, current direction, time remaining, and why it needs

Size a Battery Bank

How to size an RV house battery bank end to end: daily amp-hours, depth of discharge, BMS continuous rating and physical fit in th

Wiring Batteries in Parallel

How to wire an RV battery bank in parallel: matched interconnect cables, diagonal takeoff, per-battery fusing, terminal torque, an

AC Off Grid

Can you run RV air conditioning off grid? The honest routes: a generator, a soft starter with a large lithium bank and inverter, o

Alternator Charging

How RV alternator charging works, why a DC-DC charger is required for lithium, the 40 percent alternator planning convention, and

Battery Maintenance Guide

What RV battery maintenance actually means for flooded lead-acid, AGM and LiFePO4 banks, from watering and terminal care to correc

Winter Battery Storage

How to store RV house batteries through the off season by chemistry, why lead-acid must be stored full and LiFePO4 prefers a parti

Converter Replacement

How to replace an RV converter or charger, including sizing, why lithium needs a new charge profile, and the WFCO deck-mount swap

CPAP Power Guide

How to power a CPAP off an RV battery: the real draw with a heated humidifier, why running it on 12V DC beats an inverter, and how

Electrical Safety Guide

Safety rules for working on an RV's 12V and AC electrical system, including fault current on the low-voltage side, correct disconn

RV Electrical System Basics

How an RV electrical system fits together: the 12V DC side, the 120V AC side, and the converter, inverter and transfer switch that

Upgrade Order

The right order to upgrade RV electrical: measure the daily load, add an EMS, grow battery capacity, add charging, then inverting,

RV Generator Guide

How to size an RV generator by startup surge, pick an inverter generator with the right outlet, and run it safely, including the c

Inverter Installation Guide

How to install an RV inverter: short heavy battery cable, correct fusing at the battery, BMS continuous rating checks, and pure si

Lithium Conversion Guide

How to convert an RV from lead-acid to LiFePO4: size the bank, fix the converter and solar profile, add a DC-DC charger, and check

Pedestal Safety Guide

How to test a campground pedestal for wiring faults and connect an RV safely, including why low voltage does more damage than a su

Power Management Systems

How RV load shedding and energy management work, including switching propane appliances to free capacity and using a soft starter

Residential Fridge Power

How to power a residential refrigerator off an RV inverter: real running and startup watts, duty cycling, inverter idle draw, and

Shore Power Guide

How to use RV shore power safely on 30 amp and 50 amp service: real available watts, adapters, EMS protection, and pedestal testin

Solar Installation Guide

How to install RV rooftop solar: panel placement, roof entry and sealing, charge controller sizing, fusing, and wiring to the batt

Solar Troubleshooting

How to troubleshoot an RV solar array that is not producing, working the chain in order: panel, wiring and connectors, controller

Winter Power Guide

How RV power changes in cold weather: LiFePO4 charging limits, lead-acid capacity loss, higher furnace loads, and reduced winter s

Wiring and Fusing Guide

How to wire and fuse a 12V RV system: voltage drop, NEC small-conductor limits, fuse placement at the battery, and choosing the ri