A Watt saved is a Watt not needed to generate, it might be a good idea to see how many Watts you can save before generating through solar power. Since loses occur in your solar system it’s acutually 1.5 or 2 Watts that doesn’t need to be generated.
Different LED’s versions and models.
Smaller LED-panels officially made for 90-265Vac are re-connected to step-down inverters for 12Vdc for RV-use.
Bigger LED-panels officially made for 90-265Vac are re-connected to step-up inverters for 12Vdc for RV-use.
Some thoughts on back-up of solar energy while being connected ongrid.