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Inverter System:FLEXpower Radian™ (Fully Pre-Wired 4kW or 8kW)


  • CSIP certified with OutBack Power’s CSIP bridge
  • Factory tested, pre-wired and pre-configured
  • Fast installation with a pre-assembled system and fully integrated GS load center
  • Optimized system footprint
  • GridZero technology optimizes the balance between stored and renewable energy sources, minimizing grid dependence
  • Advanced Battery Charging (ABC) supports leading-edge battery technologies, including lithium-ion
  • Dual AC inputs for seamless generator integration in grid-interactive applications
  • Grid-interactive and stand-alone capability in one unit
  • System monitoring via web interface with OPTICS RE
  • Components carry all of the necessary UL certifications
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Everything you need, besides power sources and batteries, comes completely integrated—just install the mounting bracket, hang the system on a wall, make the necessary connections and the system is fully operational.

Available with the 60Hz Radian A Series 4kW or 8kW inverter/charger, each model incorporates OutBack’s GridZero technology, a superior level of intelligence in energy management for self-generation and self-consumption programs. It provides precise balancing between using stored energy, solar and utility power, blending-in the latter to overcome surges and load spikes. All models feature an Advanced Battery Charging (ABC) profile option to support leading-edge battery technologies such as lithium-ion and others, and enhanced diagnostics for improved performance.

FLEXpower Radian Applications:

• The 4kW FLEXpower Radian (FPR- 4048A-300VDC) is ideal for smaller power applications—including homes, cabins, remote communication sites and backup power systems. GFDI protection comes built into the FLEXmax 100 charge controllers.
• The 8kW FLEXpower Radian (FPR-8048A-300VDC) is ideal for applications with medium-sized power requirements—including larger homes and light commercial or backup power systems. GFDI protection comes built into the FLEXmax 100 charge controllers.

Additional information

Part Number

FPR8048A300VDC, FPR4048A300VDC

Radian Series_8048A_4048A_Specsheet