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DIY Solar Generator (Max 1500W)

Download the Free High Resolution Diagram

This is a wiring diagram for a DIY 12 Volt Solar Generator. The design is flexible and allows you to install your own components as long as they are at or under the maximum sizes listed in the diagram. So feel free to look for bargains on eBay or at garage sales.

We’ve done the hard work for you by precalculating all of the cable and fuse sizes, so you can be confident in your setup. If however, you would like an extra level of safety, feel free to use larger wires in your DIY generator.

Below, you’ll find links to all of the resources you need to build your own solar generator from scratch.

Components Needed

Power Inverter

Our wiring diagram is capable of using a power inverter of up to 1500W. It’s important to keep in mind that installation instructions will vary depending on the manufacturer and model of your specific power inverter.

Be sure to refer to the user manual provided by the manufacturer for detailed installation instructions and safety guidelines.

Solar Charge Controller

For this particular solar generator design, it is important to note that the maximum supported solar charge controller is 30A. For best performance, we recommend using an MPPT charge controller.

For convenient connection and disconnection of solar panels, 10AWG SAE connectors or 45A Anderson connectors can be utilized.

How to Build a Solar System

For detailed instructions on how to build this generator, or any Off-Grid Solar Power System please read our Solar System Installation Article. There you’ll find everything you need to know, from battery bank installation, to wiring up your solar array, and much more.

Other Useful Resources

Guide to Wire Size Selection Learn to size your wires the uncomplicated way. Learn more…
Guide to Fuse Size Selection Fuses protect your investment. Learn how to size them quickly and easily. Learn more…
The Basics of Solar Energy The bare minimum knowledge, in less than 10 minutes. Coming Soon…

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One response to “DIY Solar Generator (Max 1500W)”

  1. Michael Jones Avatar

    Hey guys, let me know if you built this generator. I’ll gladly post pictures of your build on the site for others to learn from! Cheers

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