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Growatt SPE12000US Split-Phase Off-Grid Solar Inverter | 12000W | 120/240V

Growatt SPE12000US Split-Phase Off-Grid Solar Inverter | 12000W | 120/240V

$2,999.99 CAD
$6,999.99 CAD $2,999.99 CAD
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  • 12000W split-phase off-grid inverter
  • 120/240V output for North American systems
  • Dual MPPT solar charge controllers
  • Maximum PV input voltage up to 550V DC
  • Supports 48V lithium and lead-acid batteries
  • Generator charging supported
  • Parallel operation up to 9 units
  • Built-in WiFi monitoring

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  • Description
  • Includes
  • Specifications
  • FAQ
  • Downloads
  • Reviews

The Growatt SPE 12000 US is a high-efficiency split-phase off-grid inverter designed for residential and light commercial solar power systems in North America. It delivers stable 120/240V output and supports solar PV, battery storage, and generator input, making it ideal for large off-grid homes, farms, and backup power installations.

Equipped with dual MPPT solar charge controllers, the inverter supports a maximum PV input voltage of 550V DC and up to 18000W of solar input, ensuring high energy yield and efficient system performance. It is compatible with 48V lithium and lead-acid battery systems, offering flexibility in energy storage design.

With support for parallel operation of up to nine units, smart load management, fast transfer times, and built-in WiFi monitoring, the Growatt SPE 12000 US provides a scalable and reliable power solution for demanding off-grid and backup applications.

  • 1x Growatt SPE 12000 US Inverter: High-power split-phase off-grid inverter with integrated solar charge controller.
  • 1x Wall Mounting Bracket: For secure installation.
  • 1x WiFi Monitoring Module: Enables remote system monitoring.
  • 1x User Manual: Installation, operation, and safety instructions.

Technical Specifications


Specification Details
Rated AC Output Power 12000W
AC Output Voltage 120/240V Split Phase
AC Frequency 60Hz
Maximum Output Current 50A
Maximum PV Input Power 18000W
Maximum PV Voltage 550V DC
MPPT Voltage Range 60–480V DC
Number of MPPTs 2
Max MPPT Input Current 27A per MPPT
Battery Voltage Range 46–60V (Lithium), 38.4–60V (Lead-acid)
Max Charge / Discharge Current 280A
Peak Efficiency 96.5%
Protection Rating IP20
Operating Temperature -10°C to 50°C
Dimensions (W × H × D) 550 × 465 × 150 mm
Weight 21.5 kg
Certifications UL1741, FCC
Warranty 5 Years


Yes, with 12000W output and support for parallel operation up to nine units, the inverter is ideal for high-load residential and commercial off-grid applications.

The inverter supports 48V lithium and lead-acid battery systems and communicates via CAN and RS485 protocols.

Yes, the Growatt SPE 12000 US supports generator input, including diesel generators, for battery charging and backup power.

Yes, up to nine units can be connected in parallel to expand system capacity.

Yes, built-in WiFi monitoring allows remote access to system performance and status.

Download Product Datasheet (PDF)
Download Inverter User Manual (PDF)

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