400W Solar Panels — Best for Residential
400W solar panels are the go-to choice for residential rooftop systems. They balance size, weight, and power output. Perfect for limited roof space.
Best Use Cases
Residential rooftops, small commercial, caravans, off-grid
🚐 Need smaller modules?
Our small-module line covers 40W – 320W — off-grid / RV / marine / streetlights / IoT.
Need a Quote for 400W Solar Panels?
JUST SOLAR supplies 400W Solar Panels at competitive FOB Ningbo prices, shipping worldwide.