Sol-Ark 15K + Fortress Power eFlex Battery + Fortress Durarack Enclosure Bundle

The Sol-Ark 15k is a great choice stackable solar/hybrid inverter! It's an all-in-one, pre-wired inverter with built-in charge controllers and many other built-in features fitted as standard. It is flexible, efficient, and affordable. Everything you need comes in one box, keeping your cost LOW and installation SIMPLE. 10-year Standard Warranty. Fortress Lithium Ferro Phosphate (LFP) 51.2V(48V), 360 AH, 18.5 KWH total capacity, LCD display; max. 20 units in parallel for 370 KWH; 10 yrs warranty. Includes wall mount bracket (SKU Part Number EFlex 5.4 G2). Fortress Durarack IP65 Outdoor Rated Enclosure holds four eFlex units per rack. Includes busbars and 4 sets "+" and "-" battery cables. Expand your energy storage with the new Fortress Power DuraRack! This iron enclosure stores up to 4 eFlex 5.4kWh batteries. The DuraRack paired with multiple eFlex batteries can build a 48V UPS server rack or provide storage capacity to home solar arrays. The DuraRack includes integrated busbars, wheels, and a DIN rail heater mount. This enclosure can be free-standing or pad mounted and is safe for indoor and outdoor installations. The new 15K inverter brings a new level of power and capability boasting 15,000W of continuous AC power, robust surge power (up to 24,000W (10 sec.)) as well as having three on-board MPPT controllers and two 200A battery breakers. The SA-Limitless-15K is also scalable in both 120V/240V split phase and 120V/208V 3 phase service voltages and can stack up to twelve (12) units in parallel. We design the eFlex 5.4 with a goal of building the world most robust lithium battery for all different application scenarios and harish weather conditions. Expand your energy storage with the new Fortress Power DuraRack! This iron enclosure stores up to 4 eFlex 5.4kWh batteries. The DuraRack paired with multiple eFlex batteries can build a 48V UPS server rack or provide storage capacity to home solar arrays. The DuraRack includes integrated busbars, wheels, and a DIN rail heater mount. This enclosure can be free-standing or pad mounted and is safe for indoor and outdoor installations.

Features

• High module conversion efficiency
• Top ranked PTC rating
• Quick and inexpensive mounting
• 100% EL testing on all Renogy modules
• No hot spots guaranteed
  

Specifications

• Inverter Dimensions:

  • Height: 31.8 in
  • Width: 19.4 in
  • Depth: 12 in

  Battery Dimensions:

  • Length: 21.5 in
  • Width: 23 in
  • Height: 7.3 in

  Durarack Enclosure Dimensions:

  • Width: 29.29 in
  • Height: 41.34 in
  • Depth: 18.03 in

  PV Input (DC) Data:

  • Maximum Allowed PV Power (STC): 19,500 W
  • Nominal Voltage Range: 175-425 V
  • Start-Up Voltage: 125 V
  • Maximum DC Input Voltage: 500 V
  • Maximum Operating Input Current Per MPPT: 26 A (Self-Limiting)
  • Number of MPPT Trackers: 3
  • Number of PV Strings Per MPPT: 2

  Battery Input (DC) Data:

  • Battery Technologies: Lead-Acid or Li-Ion
  • Nominal DC Voltage: 48 V
  • Operating Voltage Range: 43-63 V
  • Battery Capacity: 50-9900 Ah
  • Maximum Battery Charge/Discharge Current: 275 A
  • Charging Controller: 3-Stage with Equalization
  • Grid to Battery Charging Efficiency: 96%
  • External Battery Temperature Sensor (BTS): Included
  • Current Shunt for Accurate %SOC: Integrated
  • External Generator Start (Based on Voltage or %SOC): Included
  • BMS Communication: CANBus & RS485

  AC Output Data:

  • Nominal AC Voltage: 120/240 V, 120/208 V, 220 V
  • Grid Frequency: 50/60 Hz
  • Real Power (Maximum Continuous): 15,000 W
  • Maximum Output Current: 62.5 A
  • Real Power (Batteries Only, No PV): 12,000 W (50 A at 240 V)
  • Peak Apparent Power (10 s, Off-Grid): 24,000 VA
  • Peak Apparent Power (100 ms, Off-Grid): 30,000 VA
  • Maximum Output Fault Current (5 s): 94 A with PV, 75 A (Batteries Only)
  • Maximum Output Fault Current (100 ms): 120 A
  • Maximum Grid Passthrough Current: 200 A
  • Power Factor Output Range: +/- 0.8
  • Backup Transfer Time: 5 ms
  • CEC Efficiency: 96.5%
  • Maximum Efficiency: 97.5%
  • Design (DC to AC): Transformerless DC
  • Stackable: Up to 12 units
  • Idle Consumption (Typical-No-Load): 60 W

  Additional Integrated Features:

  • PV DC Disconnect Switch (NEC 240.15): Integrated
  • Ground Fault Detection (NEC 690.5): Integrated
  • PV Rapid Shutdown Control (NEC 690.12): Integrated
  • PV Arc Fault Detection (NEC 690.11): Integrated
  • PV Input Lightning Protection: Integrated
  • PV String Input Reverse Polarity Protection: Integrated
  • AC Output Breaker (200 A): Integrated
  • Battery Breakers/Disconnects (200 A x 2): Integrated
  • Surge Protection (DC Type II/AC Type II): Included
  • Ambient Temperature Rating: -40 to 60°C
  • Enclosure Rating: IP65 / NEMA 3R
  • Noise Rating: <30 dB

  Battery Data:

  • Recommended Charge Current: <55 A
  • Maximum Charge Current: 100 A
  • Recommended Charge Voltage: 54.4 V
  • BMS Charge Voltage Disconnect: >56 V
  • Recommended Continuous Discharge Rate: 60 A (3 kW DC)
  • Peak Continuous Discharge Rate: 100 A (5 kW for 60 min)
  • Maximum Surge Power Rate: 130 A (6.6 kW for 5 s)
  • Recommended Low Voltage Disconnect: 48 V
  • Battery Low Voltage Protection: <45 V
  • Battery Recovery Voltage: <45 V

  Durarack Enclosure Data:

  • Enclosure Material: Carbon Steel
  • Enclosure Color: White
  • Maximum Battery Units: 4 eFlex 5.4
  • Storage Capacity Range: 5.4-21.6 kWh per unit
  • Maximum Storage Capacity: 81 kWh (4 units in parallel)
  • Knockout Size: 1 in & 2 in
  • Battery Busbars (Positive & Negative): 2 x 4 Points; M8 (5/16) Terminal Rings
  • Busbars to Inverter: 2 Points; M10 (3/8) Terminal Rings
  • Battery Cables: 4 Sets of "+" & "-" #4 Battery Cables
  • Terminal Torque: 7-7 N/M

  Included Components:

  • Hybrid Inverter with Fortress eFlex Battery Bundle
  • Fortress Durarack Outdoor Enclosure

  Certifications & Standards:

  • UL1741-2010/2018, IEEE1547a 2003/2014, FCC 15 Class B, UL1741SB, CA Rule 21, HECO Rule 14H, TUV, ETL, PV Cycle, MES, IEC, UL1973, UL1642, UN 38.3 CLASS 9, UL9540, UL9540A, UL1973, CEC, SGIP

  Warranty:

  • Inverter: 10 Years
  • Durarack Enclosure: 3 Years

  Weight:

  • Inverter: 78 lb
  • Battery: 108 lb
  • Enclosure: 153.2 lb

Documents 

• Specification Sheet 1
• Specification Sheet 2
• Specification Sheet 3