Growatt APX Commercial BMS 9–14 – 70kWh Battery Management

Growatt APX Commercial BMS 9–14: The Scalable Battery Management System for Large-Scale Storage

Designed for commercial energy storage systems, the Growatt APX Commercial BMS 9–14 ensures smooth operation and safety when integrating up to 14 APX 5.0P battery modules. This high-voltage controller brings advanced communication, protection, and balance to multi-module battery banks, making it a critical component for installers working on scalable, future-ready projects.

Supports High-Capacity Battery Banks

The BMS 9–14 manages anywhere from 9 to 14 Growatt APX 5.0P battery modules, offering an impressive usable energy range of 45–70kWh. By maintaining consistent communication across all modules and monitoring cell-level performance, it keeps commercial-scale battery banks operating safely and efficiently.

• Voltage range: 460.8V–717.6V
• Up to 199.9kWh of parallel capacity with additional BMS units

Robust and Durable Design for Commercial Environments

Engineered with an IP66-rated enclosure and a fanless air-cooled system, the BMS 9–14 is ready for challenging environments. Whether mounted indoors or out, it’s built to handle the operational demands of commercial projects with reliability and longevity.

Plug-and-Play Compatibility with Growatt Inverters

Fully compatible with Growatt’s high-voltage inverter range, especially the WIT series, this BMS streamlines integration and supports seamless communication. It’s the backbone of larger Growatt APX-based systems, offering simple installation and consistent operation across all components.

Why Evergy Recommends This Product

The Growatt APX BMS 9–14 is the ideal solution for installers and energy professionals building medium to large-scale commercial battery storage systems. Its ability to manage up to 14 APX 5.0P modules offers excellent flexibility and expandability, while its seamless integration with Growatt’s hybrid inverters ensures maximum system efficiency and reliability.

Ideal for Commercial Solar Storage Projects

This battery management system is well-suited for schools, warehouses, farms, and businesses with high on-site energy usage and solar installations. It enables greater energy independence and control while supporting scalability for future storage expansion.

Technical Specifications

• Battery module support: 9–14 APX 5.0P
• Rated voltage range: 460.8–717.6V
• IP rating: IP66
• Max parallel BMS units: 3

Full technical details and diagrams are available in the datasheet tab.

Energy Tariff Compatibility

When paired with compatible Growatt hybrid inverters, this BMS supports intelligent charging and discharging based on energy tariffs. Take advantage of low-cost overnight rates or self-consumption optimisation using solar power generation.

Explore More from Growatt

Build your system with matching components for best performance:

• Growatt APX 5.0P Battery Module
• Growatt APX Battery Base
• Growatt WIT 50kW Hybrid Inverter

FAQs

Q: Can I expand my battery bank after installation?
Yes, as long as the total number of APX 5.0P modules remains between 9 and 14 per BMS, and within 3 BMS units in parallel.

Q: Does this work with any Growatt inverter?
This BMS is specifically compatible with Growatt’s high-voltage commercial inverters like the WIT series.

Q: Is it suitable for outdoor use?
Yes, the IP66 enclosure offers high protection against water and dust for outdoor installations.