Sol-Ark 12K + HomeGrid Stack'd Series LFP Bundle (Sol-Ark-12K, HG-4-STACK)

The Sol-Ark 12k 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. This home battery is modular with 4.8 kWh increments, providing a capacity range of 9.6-38.4 kWh per Stack. This also allows for easy servicing and future expansion. With continuous output at up to 15 kW, and a surge of up to 24 kW for 10 seconds, true full-home backup is here. 1 Base, 4 4.8kWh Modules, total 19.2kWh Capacity. Compatible with: Sol-Ark, Schneider and Outback.

Features

• Two built-in 500V charge controllers
• 1-6 PV strings
• Battery disconnect
• 48V Battery input
• Auto-generator start
• Rapid shutdown signal
• Built-in arc fault and ground fault detection
• Current sensors included
• Battery communication
• PV Disconnect
• Wiring knockouts an & Wi-Fi
• 50 A Breaker - AC In/Out, AC Load Out, AC Gen In/Smart Load Out
• High Capacity 38.4kWh - Up to 10 units in parallel
• 10 year Warranty - 20 year serviceable
• Modular Design - Each module has a capacity of 4.8kWh, with each Stack supporting 2-8 modules
• High Power 15kW - Whole home backup
• Live Communications - Real time display, mobile access, established closed-loop communications
• Safe for Home & Environment - Cobalt Free, low voltage UL 1642, UL 1973, UN 38.3
  

Specifications

• • Maximum Allowed PV Power (STC): 13,000 W
  • Rated MPPT Operating Voltage Range: 175-425 V
  • MPPT Voltage Range: 150-500 V
  • Start-Up Voltage: 125 V
  • Maximum DC Input Voltage: 500 V
  • Maximum Operating Input Current Per MPPT: 20 A (Self-Limiting)
  • Number of MPPT Trackers: 2
  • Number of PV Strings Per MPPT: 2
  • Maximum AC Coupled Input: 9,600 W

• Battery (DC):

  • Battery Technologies: Lithium/Lead Acid
  • Nominal DC Voltage: 48 V
  • Operating Voltage: 43-63 V
  • Capacity: 50-9900 Ah
  • Maximum Battery Charge/Discharge Current: 185 A
  • Charging Controller: 3-Stage with Equalization
  • Grid to Battery Charging Efficiency: 96%
  • External Battery Temperature Sensor (BTS): Included
  • Automatic Generator Start (AGS): 2 Wire Start - Integrated
  • BMS Communication: CANBus & RS485 MODBUS

• AC Output:

  • Nominal AC Voltage: 120/240 V, 120/208 V, 220 V
  • Grid Frequency: 50/60 Hz
  • Real Power, Maximum Continuous: 9,000 W
  • Maximum Output Current: 37.5 A
  • Peak Apparent Power (10 s, Off-Grid): 16,000 VA at 240 V
  • Peak Apparent Power (100 ms, Off-Grid): 25,000 VA at 240 V
  • Maximum Output Fault Current (100 ms): 104 A
  • Maximum Grid Passthrough Current: 63 A (10 min)
  • Power Factor Output Range: ±0.9 Adjustable
  • Backup Transfer Time: 4 ms
  • CEC Efficiency: 96.5%
  • Maximum Efficiency: 97.5%
  • Design (DC to AC): Transformerless DC

• Additional Features:

  • Stackable: Up to 9 in Parallel
  • Integrated Features:
    • PV DC Disconnect Switch (NEC 240.15)
    • Ground Fault Detection (NEC 690.5)
    • PV Rapid Shutdown Control (NEC 690.12)
    • PV Arc Fault Detection (NEC 690.11)
    • PV Input Lightning Protection
    • PV String Input Reverse Polarity Protection
    • AC Output Breaker (63 A)
    • Surge Protection: DC Type II / AC Type II
    • 250 A Battery Breaker/Disconnect
  • Enclosure Rating: IP65 / NEMA 3R
  • Ambient Temperature Rating: -25 to 55°C (with derating above 45°C)
  • Noise Rating: <30 dB at 25°C
  • Idle Consumption (No-Load): 60 W

• Battery Storage (LFP):

  • Battery Type: Lithium Iron Phosphate (LiFePO4)
  • Total Energy: 19.2 kWh (4 modules)
  • Continuous Power Output: 15 kW
  • Surge (10 s): 24 kW
  • Capacity: 400 Ah
  • Nominal DC Voltage: 48 V
  • DC Voltage Range: 46-56 V
  • Recommended Charge Current: 312.5 A
  • Maximum Discharge Current (Continuous): 312.5 A
  • Maximum Pulse Current DC (10 s): 500 A
  • Charge Temperature: 32-113°C
  • Discharge Temperature: 14-140°C
  • Enclosure Rating: IP55
  • Mounting Options: Floor Standing
  • Service Plan: 20 Years Serviceable
  • Scalability: Units in Parallel
  • Communication: CAN/RS485
  • Efficiency: >98%
  • Compatible Inverters: Sol-Ark, Schneider, SMA, Growatt, Solis, Sofar, Sermatec, Victron, Studer, Goodwell, Outback

• Standards & Certifications:

  • Electronics Certified Safety by SGS Labs to NEC & UL Specs (NEC 690.4B & NEC 705.4/6)
  • Grid Sell Back: UL1741-2010/2018, IEEE1547a 2003/2014
  • FCC 15 Class B, UL1741SB, CA Rule 21, HECO Rule 14H

• Warranty and Weight:

  • Warranty: 10 Years Inverter, 10 Years LFP Battery
  • Weight:
    • Inverter: 78 lb
    • Durrack Enclosure: 520 lb
      

Documents 

• Specification Sheet 1
• Specification Sheet 1