Grape Solar 330-Watt Monocrystalline Solar Panel (4-Pack)

The Grape Solar 330-Watt Off-Grid Only Mono-crystalline PV Solar Panel bonus pack bundles 4 Grape Solar 330-Watt solar panels for extra savings. The Grape Solar 330-Watt Monocrystalline PV Solar Panel uses high efficiency solar cells made from quality silicon material for high module conversion efficiency, long-term output stability and reliability. Virtually maintenance free. High transmittance, low iron tempered glass for durability and enhanced impact resistance.