Translate:

Inverter Compatibility

Fortress Power

Compatible Inverters

Fortress Lithium Iron Phosphate batteries are designed to work with most 48 VDC inverter and chargers available on the market. Below is a list of compatible inverters and chargers. You still need to design to the maximum inverter amperage and consult with inverter minimum battery sizes. If you can’t find the inverter on the list or have sizing questions, please call us at (877) 497 6937 or email us at [email protected]

Brand Inverter/Charger Mode Configuration
Sol-Ark 8 KW & 12 KW Inverter AC or DC coupled
Schneider Conext XW MPPT charge controller; Conext XW+/XW pro series AC or DC coupled
Outback Skybox, FLEX max charge controller (48V), FLEXpower series (48V); Radian series (48V);
FXR(A) and FXR (E) series (48V); GVFX and GVFX series (48V);
AC or DC coupled
Magnum MS 4448PAE; MS 4048-20B AC or DC coupled
Studer AJ 400/700-48 Series; XTS 1400/2600/4000/6000/8000-48 Series;
VT 40/65/80 Series; VS 70/120
AC or DC coupled
SMA SUNNY ISLAND 4548-US/6048-US; SUNNY ISLAND 3.0M/4.4M/6.0H/8.0H AC coupled
Victron Phoenix VE.Direct Inverter; MultiPlus and Quatro Inverter/Charger; Skylla-TG Charger;
General; Color Control or Venus GX
DC coupled
Morning Star TriStar MPPT 600V; TriStar MPPT; Tristar PWM DC coupled
Midnite Solar Solar Classic 150, 200 & 250; Solar Classic 150, 200 & 250-SL DC coupled
**We are establishing close-loop communication with these inverters!
Minimum Recommended

Sizing Standards

This table indicates the minimum number of batteries required for the 6000 charge/discharge cycle warranty. Proper sizing guidelines must be followed to ensure the longevity of the batteries.
Inverter eVault 18.5 

eFlex 5.4

Open Loop

eFlex 5.4

Closed-Loop

LFP10 51.2Vnom LFP-5K-48V 51.2Vnom LFP-5K-24V 25.6Vnom
Schneider Electric XW Pro 6848 1 2 2 2 3
Schneider Electric XW+ 6848 1 2 2 2
Schneider Electric XW+ 5548 1 2 2 2
Schneider Electric SW 4048 1 2 1 2
Schneider Electric SW 4024
Schneider Electric SW 2524   3
OutBack Power Radian 8048A 1 3 2 3
OutBack Power Radian 4048A 1 2 1 2
OutBack Power SkyBox SBX 5048 1 2 1 2
OutBack Power VFXR 3648A 1 1 1 2
OutBack Power VFXR 3524A
OutBack Power FXR 3048A 1 1 1 2
OutBack Power FXR 2524A 3
OutBack Power FXR 2012A
Sol-Ark 8K 1 3 2 2 3
Sol-Ark 12K 1 3 2 2 3
SMA Sunny Island 6048 1 2 2 2 3
SMA Sunny Island 4548 1 2 2 1 2
Studer Innotec AJ 400-48 1 1 1
Studer Innotec AJ 700-48 1 1 1
Studer Innotec XTS 1400-48 1 1 1
Studer Innotec XTS 2600-48 1 2 1
Studer Innotec XTS 4000-48 1 2 2
Studer Innotec XTS 6000-48 1 3 3
Studer Innotec XTS 8000-48 2 4 4
Magnum / Sensata MS 4448 1 2 1 2
Magnum / Sensata MS 4048 1 2 1 2
Magnum / Sensata MS 4024
Magnum / Sensata MS 2024 2
Selectronic SP PRO SPMC 481- AU 1 2 1 2
Selectronic SP PRO SPMC 482- AU 1 3 2 3
Samlex EVO-4024
Samlex EVO-2224 2
Victron Energy Quattro 48/3000/35 1 1 1 2
Victron Energy Quattro 48/5000/70 1 2 1 2
Victron Energy Quattro 48/10000/140 2 3 2 3
Victron Energy Quattro 48/15000/200 2 5 3
Victron Energy Quattro 24/5000/120
Victron Energy MultiPlus 24/2000/50 2
Victron Energy MultiPlus 24/3000/70 3
Victron Energy BlueSolar or SmartSolar 75/10 1
Victron Energy BlueSolar or SmartSolar 75/10 1
Download Ebook
DOWNLOAD EBOOK

5 Ways Backup Power can Save You Money

Inside this resource, you’ll discover five areas backup power keeps you in control of your energy costs and savings.
  • This field is for validation purposes and should be left unchanged.