Shop

The CertainTeed Solstice Half-Cell Solar Panel 440W is a modules from CertainTeed for exact-match material ordering. Match manufacturer model/MPN 421305. This variant is sold as PC with SKU CER421305. High performance, half-cell mono-crystalline 10BB 400W all-black modules produced using state of the art automated production lines and made using the highest quality materials and quality control standards.

Key Specs

• Brand: CertainTeed
• Model / MPN: 421305
• SKU: CER421305
• Sell unit: PC
• Product type: Modules
• Size: 440W
• Color / finish: 440W
• Category: Solar | Solar/Residential | Solar/Residential/Modules

Key Features

• High performance, half-cell mono-crystalline 10BB 400W all-black modules produced using state of the art automated production lines and made using the highest quality materials and quality control standards.
• UL listed (61730-1, UL 61730-2)
• Positive power output tolerance

Coverage & How Much You Need

Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.

Compatibility / Fitment

Use only with compatible systems and installation conditions specified by the manufacturer.

FAQs

What exactly am I ordering?

CertainTeed Solstice Half-Cell Solar Panel 440W, sold as PC, SKU CER421305, manufacturer model/MPN 421305.

What unit is the price based on?

The price is for the PC sell unit.

What should I match before ordering?

Match brand, model/MPN where available, size/color, sell unit, and the project specification.

Can this be substituted?

Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.

How do I estimate quantity?

Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.

Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.

Product Expert Notes

Choose this variant when CertainTeed, SKU CER421305, PC sell unit, and MPN 421305 match the job requirement.