Build to Roam Knowledge Base

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Electrical 6 Alternator charging 1 Kitchen 1 Coffee 1 Shore power 1 Inverter 1 Solar 1 Wire 1
A photo of the the DC to DC charger installation on a bus bar on a Ram Promaster

DC to DC Charging: How to Set Up a Van Alternator Charging System

By the end of this article, you'll understand how to select, size, and install a DC-DC charger in your DIY van build.
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Other Articles

Coffee mug sitting next to the lake

Sep 26, 2025

Coffee Hacks for Van Life

This article provides one van-lifer's hacks for making quality coffee on the road.

An abstract photo of electrical meters

Sep 18, 2025

Van Shore Power Setup: Safe 15A, 30A, 50A Installation Guidance

This guide explores your options when adding shore power to your van's electrical system.

An abstract photo of electrical meters

Sep 3, 2025

Van Inverter Guide: Size, Install, and 3 Integration Options

Choose the right inverter size for your camper van—pure vs. modified sine, size, wiring, fuses, and step-by-step install tips for safe off-grid AC power.

A DIY van builder working in their van

Aug 1, 2025

Size Your Van's Solar & Battery System Perfectly the First Time

Learn the exact calculations to size your battery and solar system right the first time—no $2,000 mistakes or dead batteries at 2am.

Solar Panels on a van roof

Jun 19, 2025

Van Solar Install: Complete 2025 Guide (With Wiring Tips)

Step-by-step camper van solar installation from panel mounting to wiring. Size your system, avoid costly mistakes, and get power in one weekend.

Solar Panels on a van roof

May 1, 2025

Van Electrical Wire Sizing: Prevent Fires & Voltage Drop

Calculate the correct wire gauge for your van build in minutes. Avoid dangerous undersizing, voltage loss, and electrical fires with our simple guidance.