Uploaded March 2023 | Updated September 2026, 2 weeks ago

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Using Higher voltage solar panels on your RV has it's benefits when used with a good MPPT solar charge controller.

Here are the benefits:
(1) There's less voltage drop at higher voltages allowing you to use thinner (or lighter gauge) cables saving you money and simplifying the install
(2) The MPPT solar controller will start charging earlier in the day and continue charging later in the day when the incoming voltage is significantly higher than the battery system voltage. This increases your solar charging window throughout the day and will generate more power.
(3) Bonus Benefit: High voltage solar panels typically have a higher energy density than smaller panels. This allows you to produce more solar power with fewer panels. It will also simplifying your cabling.

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