The original maximum power point tracking (MPPT) charge controller, the FLEXmax, increases PV array yield by up to 30% compared to non-MPPT controllers. FLEXmax FM60 and FM80 charge controllers can operate at their maximum rated current in ambient temperatures up to 104 °F (40 °C) and 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 a variety of battery types and charging profiles.
FLEXmax FM60 and FM80 controllers come standard with a four-line, 80-character backlit LCD screen that displays PV system performance with a 128-day history and can also be used for programming and monitoring system operation. Both controllers have a programmable AUX relay that can be used for control functions such as battery-enclosure fans, generator starting, or load control. The AUX output is 200 mA at 12 VDC. Use it to power a separate relay with a 12 VDC coil if you need to control more current or to control voltages (AC or DC) other than 12 VDC.
Outback FM-80 Flexmax MPPT Charge Controller – FM80-150VDC Flexmax MPPT
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