9 Polycrystalline Silicon Solar Cell (6-3/16" x6-3/16") or 156mm x 156mm 4BB Blue Photovoltaic Panel DIY Lot

Condition: Brand New, never used or installed. No visible cracks, chips, or damage. Carefully packed and handled with foam padding for protection.

Polycrystalline silicon construction with classic blue marbled surface

Standard 6.25" inch by 6.25" inch (156mm x 156mm) square cell size, approximately 0.2mm thick

4 main busbars (4BB) design for efficient current collection and easy tabbing

Ideal for DIY solar panel projects, experiments, or repairs

High conversion efficiency for off-grid, science kits, or educational use

Cells are thin and fragile—handle with care during installation

No manufacturer markings, model numbers, or branding visible on cell

Color: Blue with subtle silvery grid lines and classic polycrystalline pattern

Sold as a lot of 9 cells included in a stack as pictured...