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Growatt APX 55042-P0-US (Power Module + Base) for APX 5.0P-S0-US

Growatt APX 55042-P0-US (Power Module + Base) for APX 5.0P-S0-US

$1,399.99 CAD
$2,799.99 CAD $1,399.99 CAD
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  • Power Module + Base: Required controller for Growatt APX 5.0P-S0-US battery systems.
  • Scalable Storage: Supports expandable capacity from 5kWh up to 30kWh.
  • Smart Optimization: Module-level energy optimization for improved usable energy.
  • Outdoor Ready: IP66 / NEMA 4X rated enclosure for indoor or outdoor installs.
  • Quiet Operation: Natural cooling with low noise (≤ 40 dB).
  • Long Warranty: Backed by Growatt’s 10-year warranty.

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

The Growatt APX 55042-P0-US Power Module with Base is the control and management unit for the Growatt APX High-Voltage Battery System, designed for use with the APX 5.0P-S0-US stack. It manages system communication, voltage regulation, safety protection, and real-time monitoring for residential energy storage applications.

Featuring module-level energy optimization, the APX system can operate efficiently even when battery modules differ in state of charge (SOC) and state of health (SOH), helping maximize usable energy and long-term performance.

With support for scalable storage from 5kWh up to 30kWh, quiet natural cooling, and an IP66 / NEMA 4X enclosure, this power module is suitable for indoor and outdoor installations and integrates with compatible Growatt hybrid inverter platforms.

  • 1x Growatt APX 55042-P0-US Power Module: High-voltage battery management and control unit.
  • 1x Battery Base: Supports secure floor-mounted installation.
  • Installation Hardware: Manufacturer-supplied mounting accessories.
  • Documentation: Installation and operation guides.

Technical Specifications


Specification Details
Brand Growatt
Model APX 55042-P0-US
Product Type Power Module + Base (APX HV Battery System)
Compatible Battery Module APX 5.0P-B1-US
System Capacity Range 5kWh – 30kWh (with multiple battery modules)
Nominal Voltage 400V
Operating Voltage (Battery Side) 330 – 450V
Operating Voltage (Inverter Side) 380 – 550V
Maximum Current 32A
Peak Current 42A (60s)
Communication CAN / RS485
Cooling Natural
Noise Level ≤ 40 dB
Protection Rating IP66 / NEMA 4X
Operating Temperature -10°C to 50°C (14°F to 122°F)
Installation Wall-mounted or Floor-mounted
Dimensions (W × D × H) 690 × 185 × 295 mm
Weight 16 kg (35 lbs)
Warranty 10 Years


Yes. The APX 55042-P0-US power module is required to operate and manage APX 5.0P battery modules in the system.

The Growatt APX HV system supports scalable configurations from 5kWh up to 30kWh by adding additional APX battery modules.

Yes. The power module is rated IP66 / NEMA 4X, making it suitable for outdoor installation.

The APX HV battery system is designed to integrate with compatible Growatt hybrid inverter platforms (XH-US series).

Yes. You can add more battery modules later to increase the overall storage capacity, up to 30kWh.

Download Datasheet (PDF)
Download User Manual (PDF)

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