OutBack Power Charge Controllers

OutBack charge controllers utilize MPPT technology and optimize a PV array’s output, because the output may fluctuate based on shading and temperature changes on found on most roofs. Charge controllers can increase renewable energy yield by up to 30 percent by utilizing solar harvesting and battery charging algorithms.

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The OutBack Power FLEXmax series charge controllers are a significant component of the complete integrated systems offered from OutBack. There are three main Charge Controllers available from OutBack, the FM60, FM80, the FM100, and FM100 AFCI. The part numbers designate the maximum amperage supported by each unit. Each unit is designed around the MPPT charging algorithm, and the FM100 AFCI features enhanced MPPT Technology, improving the energy harvest compared to other controllers on the market. For more information on the OutBack FLEXmax advantages, see the video below:

Webinar | OutBack Power FLEXmax 100 Charge Controller Advantages

We know in off-grid applications what a crucial role batteries play into making off-grid solar possible, which is why we need to be equipped with the best charge controller to be able to ensure our batteries get properly fed, avoiding overcharge and overvoltage. OutBack Power’s FLEXmax 100 AFCI fits the bill. It is made with an arc fault circuit detection and interrupter built into its design. They come with active cooling and ehanced MPPT algorithm for increased energy harvest especially in harsh environments, such as tropical or cold climates. These charge controllers have field upgradeable firmware and are listed to UL 1699B with local and remote indication. When using FLEXmax 100 your installation cost is reduced by up to 1,000 per charge controller in NEC 2017-compliant systems. FLEXmax 100 is engineered for reliability with a 5yr. warranty which ensures your customer satisfaction.


Outback Power Remote Temperature Sensor plugs into any Outback inverter or charge controller.

View Remote Temperature Sensor