Insist on only genuine, high-grade SunPower® back-contact solar cells

SunPower® back-contact solar cells are currently the highest efficiency cells available for use in everyday applications at 22%+ rated efficiency. But they can be expensive and difficult to purchase. Genuine high-grade SunPower® cells are only sold to known manufacturers in a few select markets, and significant quantities, 10s of 1000s of cells at a time, must be purchased by the manufacturer to ensure a workable price for their customers.


It has recently come to light that some back-contact cells made by SunPower® have found their way on to secondary markets and into panels originating primarily from China. Rejected by
SunPower® when they failed their rigorous testing, these faulty cells cannot carry the prestigious SunPower® name due to their substandard quality. Unfortunatley, some promotional material we’ve seen brazenly disregards this fact.


Be wary of any solar panel with back-contact cells that does not explicitly make reference to the cells as being genuine, high-grade SunPower® cells.

Marine Cooling, Refrigeration, Monitoring, And Solar Solutions

Are you a boat owner, or soon-to-be boat owner, with questions about your vessel's systems? Let us help you find those answers. For example:

    • Want to know how many amp/hours your solar panel is putting into your battery bank? Philippi's PSM System Monitor can help you there.
    • Water-cooled vs air-cooled refrigeration, see "Which Condensing unit should I use" in Refrigeration > Planning.
    • Where does one begin when planning for solar panels on a boat? With "Marine Solar Panels Planning and Installation Guide in Solar > Planning.
    • Can you have air-conditioning on your boat without running a generator, or the engine, or being plugged into 115v power? (Hint: Yes!)

If you don't see the answer to your questions in our website, blog, facebook, or twitter posts, then contact us directly. We will respond as soon as possible.


We are the online marine solution source you can trust and we offer the best products for your boat.

Shop our online inventory today.

Frigoboat Marine Refrigeration

Vitrifigo America

coastal cool-aids

 solbian

solara marine solar panels

 philippi marine

 CLIMMA MARINE AIR CONDITIONING

Micro Air Inc

MSI Marine Systems

Energy1 Marine

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