The Grape Solar 370-Watt Mono-crystalline PV Solar Panel bonus pack bundles 4 Grape Solar 370-Watt solar panels for extra savings. The Grape Solar 370-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.

Ideal for grid-tied or off-grid systems

Black frame with black back sheet for superior rooftop aesthetics

Positive power tolerance (0 to plus 5-Watt)

Unique frame design with strong mechanical strength for up to 50 lbs./sq. ft. wind load and snow load withstanding and easy installation

High efficiency rating (20.3%)

Bypass diodes mitigate shading effects in series strings and prevent reverse current flow

Grape Solar's off-grid system designers would love to hear about your project and offer advice if desired

Contact manufacturer for grid-tied system inquiries