FLEXmax 100

Charge Controller
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outback flexmax 100 charge controller


Please ensure that you are downloading the correct version number. Each download contains a ReadMe text file that details the:

  • Firmware Version Number
  • Contents of the Release
  • Release Date
  • Additional useful information

Once downloaded, verify that the ReadMe text file contains the proper information regarding your FLEXmax 100. 

  • Version 001.002.000 
    • Contents of the Release: Bug fixes  
    • Release Date: August 2018
    • Bug Fixes:
      • Fixed an issue that allowed the battery voltage to exceed the temperature compensation limit in Bulk stage until the absorb voltage target was reached.
      • Fixed an issue that allowed an empty file on a microSD card, preventing a successful firmware update.
      • Fixed an issue that indicated GT mode in the LED sequence when charging began (only when MATE3s was not installed).
      • Fixed an issue that allowed the AUX output to turn on momentarily at power-up when using the AUX output in Solid State Relay mode.

Release Date

Wednesday, 17 October 2018


3767 Alpha Way
Bellingham, WA 98226 United States

Contact Info

Email: This email address is being protected from spambots. You need JavaScript enabled to view it.

Phone: +1 360.435.6030

Fax: +1 360.435.6019