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Use our interactive calculator to determine how many solar panels you will need for your caravan, motorhome, RV, 4WD (4×4), boat or other vehicle. Simply enter your equipment’s amperage and hours of use for a 12V system and get a clear guide to your solar panel requirements.

How to use it

  1. Enter the amps per hour of each appliance or piece of equipment you use.

  2. Enter the hours run per day for each item.

  3. Press Enter after each input to get the table to update.

  4. The calculator will output the number of solar panels you’ll likely need to keep up with your usage.

  5. Browse our solar panel products (12V, lightweight, folding solar panel kit and solar panel packages) to match your size and space constraints.

If you have any questions please go to the Contact us page.

For more information on each solar panel, click on the size of the solar panel and related information will be displayed.

Our range of Curtech Solar Panel Kits include solar panel(s), mounting brackets, roof top block, solar controller/regulator, wire, fuses and connectors.

Available in 130W, 140W, 170W, 180W, 215W, 2600W, 280W, 340W, 360W and 430W. sizes