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The FLEXmax MPPT software algorithm is both continuous and active, increasing your photovoltaic array power yield up to 30% compared to non-MPPT controllers.
FLEXmax charge controllers can operate at their full maximum current rating in ambient temperatures as high as 104°F (40°C). Both controllers can be used with battery systems from 12 to 60 VDC with PV open-circuit voltage as high as 150 VDC. The controller's set points are fully adjustable to allow use with virtually any battery type, chemistry and charging profile.
FLEXmax controllers come standard with a 4-line, 80-character backlit LCD screen that displays PV system performance with a 128 day history and is also used for programming and monitoring the system's operation. For larger systems, OutBack's MATE series of sysytem controllers enables monitoring of up to 8 FM controllers from up to 300 feet away. The MATE also includes an opto-isolated RS-232 port for connection to a PC for data logging and system monitoring.
This product is shipped from one of our warehouses in Northern California. Orders placed after 12 p.m. will typically ship the following business day. To see an estimate of our delivery times, click here.
Returns & Replacements
You may return most unused products to us for a refund or replacement within 30 days of receipt. Items must be in new re-sellable condition with all original packaging, paperwork and accessories. For your protection, please send returns via a traceable method. We are not responsible for lost or missing returns without tracking information. Return freight and shipping is non-refundable. Products that qualified for free shipping will be credited the product price minus shipping costs. Unless otherwise requested, back orders will be refund to assure a you receive your order within an acceptable time.