Solar Panel Kits Reviews

Choosing a solar panel kit comes down to how much power you use, what you’re powering, and what’s already in the box. Below are our reviews and buying guides for RV, off-grid cabin, and home kits, followed by a short guide to sizing and choosing one.

RV Solar Kits

Off-Grid Cabin and Home Kits

Individual Panels and Accessories

How to Choose a Solar Panel Kit

Size it from your daily energy use. Divide your daily watt-hours by your location’s peak sun hours, then by about 0.8 to allow for system losses. For example, 2,000 Wh per day at 5 peak sun hours works out to roughly 500W of panels.

Check the charge controller. PWM controllers are cheaper and fine for small 12V setups. MPPT controllers recover more energy, especially with larger arrays and in cold weather.

Match the battery and voltage. Lithium (LiFePO4) batteries last longer and are lighter than lead-acid. Higher system voltage (24V or 48V) means lower current, so you can use thinner wire for larger systems.

Don’t skip the rest of the system. Many kits leave out batteries, an inverter, fuses, and cabling. Choose a pure sine wave inverter for sensitive electronics, and size wire gauge and fuses to the current to keep voltage drop low.

Off-grid vs grid-tie. Off-grid kits run on their own batteries. Grid-tie kits connect to the utility, usually need permits and interconnection approval, and in the US permanent installs fall under NEC Article 690.

Related guides: Off-Grid Solar Systems with Battery Backup, Top Solar Inverters for Home Use, and Best Solar Panels for Cloudy Climates.

All Solar Panel Kit Reviews