OutBack Power Products Ranked

Last updated: October 24, 2026

6 OutBack Power products ranked. Each one is scored and ranked against every brand in its size, so "#3 mid-size" means third of all mid-size 48V inverters here, not third among OutBack Power's own.

OutBack Power makes 2 current charge controllers: 2 MPPT solar. Prices run from $527.99 for the OutBack FLEXmax 80 to $1,494.66 for the OutBack FLEXmax 100 AFCI. Its best-rated model: the OutBack FLEXmax 80 (#29 of 46 MPPT solar, rated 3.6). Models charge at 80 to 100 A.

OutBack Power makes 4 current 48V inverters: 2 120V inverter-chargers and 2 split-phase inverter-chargers. Prices run from $2,139 for the OutBack VFXR3648A to $4,460 for the OutBack Radian GS8048A. Its best-rated model in each size: the OutBack VFXR3648A (#3 of 14 120V inverter-chargers, rated 3.8) and the OutBack Radian GS4048A (#1 of 22 split-phase inverter-chargers, rated 3.7). Models run 3,000 to 8,000 W continuous. 4 of them are listed to UL 458 or UL 1741.

Prices were last checked October 24, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

OutBack Power charge controllers 2

  1. OutBack FLEXmax 80
    #29 MPPT solar3.6Full review

    For off-grid homes and cabins on 24 or 48 V, especially those built around OutBack inverters. A proven 80 A controller at a fair price.

    NAZ Solar Electric $527.99
    $527.99
    80 A12/24/36/48/60 VNo5 years
  2. OutBack FLEXmax 100 AFCI
    #39 MPPT solar3.1Full review

    For large 48 V off-grid or backup systems built around OutBack inverters, where 300 V strings and built-in arc-fault protection simplify the install.

    NAZ Solar Electric $1,494.66
    $1,494.66
    100 A24/36/48 VNo5 years

Every charge controller ranked

OutBack Power 48V inverters 4

  1. OutBack VFXR3648A
    #3 120V inverter-chargers3.8Full review

    For a cabin or off-grid home built around 120 V loads, with room to stack a second unit later. Rugged and code-friendly, but it idles high for its size.

    Amazon $2,139
    $2,139
    3,600 W34 WYes5 years
  2. OutBack Radian GS4048A
    #1 split-phase inverter-chargers3.7Full review

    For a small off-grid home that needs 240 V for a well pump but only 4 kW of steady load. Hard to find now, so check stock before designing around it.

    Solar Cellz USA $2,995.75
    $2,995.75
    4,000 W34 WYes5 years
  3. OutBack Radian GS8048A
    #2 split-phase inverter-chargers3.7Full review

    For an off-grid home or whole-house backup that needs 240 V loads from one inverter. A proven heavy transformer design with grid and generator inputs, at a high price.

    Amazon $4,460
    $4,460
    8,000 W34 WYes5 years
  4. OutBack FXR3048A
    #9 120V inverter-chargers3.5Full review

    For a dusty, humid or coastal off-grid site where a sealed inverter earns its keep. Built to last, but it costs more and idles higher than newer designs.

    Northern Arizona Wind & Sun $2,314
    $2,314
    3,000 W34 WYes5 years

Every 48V inverter ranked