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Products > Charge Controllers

Charge Controllers - MPPT
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MPPT CHARGE CONTROLLERS



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 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™ 60:      

FLEXmax™ 80:



The OutBack FLEXmax Maximum Power Point Tracking Charge Controllers offer an efficient, safe, multi-stage recharging process that prolongs battery life and assures peak performance from a solar array. Each Charge Controller allows customized battery recharging.


The Charge Controller features include:-

  • 80 amps maximum continuous output current up to 40°C without thermal derating for the FLEXmax 80, and 60 amps for the FLEXmax 60

  • Engineered to work with 12, 24, 36, 48, and 60VDC battery voltages

  • Backlit LCD display screen with 80 characters (4 lines, 20 characters per line)

  • Last 128 days of operational data are logged for review

  • Voltage step-down capability allowing a higher PV array voltage configuration

  • Manual and auto-equalise cycle


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