Free 12-Volt Solar System Plans

12-Volt solar systems are the most popular option for RVs and Campervans . These systems are beginner-friendly, and yet still powerful enough for full-time usage.

100 Watt

1 x 100-Watt Solar Panel.
Up to 42Ah per day.

200 Watt

2 x 100-Watt Solar Panels.
Up to 85Ah per day.

300 Watt

2 x 150-Watt Solar Panels.
Up to 130Ah per day.

400 Watt

2 x 200-Watt Solar Panels.
Up to 170Ah per day.

540 Watt

3 x 180-Watt Solar Panels.
Up to 230Ah per day.

600 Watt

3 x 200-Watt Solar Panels.
Up to 250Ah per day.

700 Watt

4 x 175-Watt Solar Panels.
Up to 300Ah per day.

800 Watt

4 x 200-Watt Solar Panels.
Up to 350Ah per day.

900 Watt

5 x 180-Watt Solar Panels.
Up to 385Ah per day.

1000 Watt

5 x 200-Watt Solar Panels.
Up to 430Ah per day.


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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