How to Size Your RV
How to Size Your RV
We can help answer your questions on what size solar system is best for your needs – Contact Us!
What Size Do I Need?
The solar panel system you need will depend on the size of your camper, size of your battery bank and how you camp. No matter what size portable solar system you need for your RV, we offer a complete solution that will work for you. Contact us if you need some help. Contact SPC Support
Solar Sizing Chart
| Size of RV | # of Batteries | Recommended Kits for short term power use or lower power demands | Recommended Kits for longer term power needs or higher power demands | ||
| 10'-14' | 1 12-Volt | 45-Watt Portable USP1005 |
115-Watt Rooftop KIT1003 |
90-Watt Portable USP1001 |
115-Watt Rooftop KIT1003 |
| 15'-20' | 1-2 12-Volt | 90-Watt Portable USP1001 |
115-Watt Rooftop KIT1003 or 170-Watt Rooftop KIT1005 |
140-Watt Portable USP1002 |
170-Watt Rooftop KIT1005 |
| 21'-30' | 2 12-Volt | 140-Watt Portable USP1002 |
170-Watt Rooftop KIT1005 |
180-Watt Portable USP1003 |
170-Watt Rooftop KIT1005 and 170-Watt Expansion KIT1009 340 Total Watts |
| 31'-40' | 2-4 12-Volt | 180-Watt Portable USP1003 |
170-Watt Rooftop KIT1005 and 170-Watt Expansion KIT1009 350 Total Watts |
180 or 230 Watt Portable USP1004 |
170-Watt Rooftop KIT1005 and 2x 170-Watt Expansion KIT1009 540 Total Watts |
| 40'+ | 4-8 6-Volt | 2x 230-Watt Portable USP1004 |
170-Watt Rooftop KIT1005 and 2x 170-Watt Expansion KIT1009 510 Total Watts |
680 Watts Expandable to 1020 Watts KIT2014 |
680-Watt Rooftop KIT2014 or 1020-Watt Rooftop KIT1014 |
For further answers to your questions, contact our solar specialist Jonathan Lewis at [email protected] or 800-866-5353.