
Beat the heat with an attic fan!
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Increase charge current up to 30% or more with MPPT technology!

A rugged step-up converter for your mobile needs!

Sun-Mar units are economical, quick to install and easy to use.
“Thank you to all involved. I've dealt with quite a few vendors in the past year and it's always refreshing to find folks like you that care about your job, your company and your customer. Please, keep up the great work! As a self-described customer representative, we appreciate it.”
Ken - Walnut Creek, CA