MEGA 100 SLIM ONYX | 100 Watt Slim Solar Panel | Compact 12V Off-Grid Narrow Solar Panel for Vans, Overlanders, Boats | 25-Year Output Warranty | UL Certified

You don’t need an inverter if you’re only charging your battery. However, if you want to use the battery to run different appliances, like a TV or a refrigerator, you need an inverter to convert the DC power to AC power.

Wherever there is sunlight, solar panels will generate electricity. Cooler conditions, like those during the winter, can help improve solar panel performance. Solar panels can still generate electricity in cloudy conditions, just not as efficiently. The panel won't generate any electricity if there is any snow build-up on it, so make sure to keep the panel clear. This goes for any type of obstruction including shade or dirt.

Solar panels don’t always need a roof penetration for installation. Most times, they can be permanently mounted on the roof using a sealant. Alternatively, they can be installed on the ground.

If you have a solar charge controller installed in your system, there is no danger of a reverse current draining your battery.

The RICH SOLAR MEGA Series solar panels have a performance warranty of 25 years. After 5 years of use, the panels should output more than 95% of the rated power. After 10 years, that output is 90%, and after 25 years, the output should be 80%.

Yes, but only if it’s used without the charge controller, which is why it’s important to always use one when you have a battery.

Yes, you can run your 110V appliances with your solar power system using an inverter. The inverter connects your solar panel to your battery, converting the DC energy into AC energy, and allowing you to power your appliances.

Shading: Avoid obstacles that block sunlight. Use shading analysis tools.

Improper Angle: Set panels at a 30–45° tilt facing true south for optimal efficiency.

Wrong Direction: Make sure panels directly face the sun.

Irregular Cleaning: Dirt reduces output—clean panels regularly with soft tools.

Mismatched Equipment: Use compatible panels, batteries, and inverters with matching specs.

Improper Connections: Use high-quality cables and ensure all connections are secure to prevent faults or fire.