The Sungrow PowerKeeper HV Battery Accessories (Main) kit is the critical foundation of the PowerKeeper HV Battery System, purpose-built to enable the installation, operation, and long-term performance of the first ST050CF battery tower. This kit includes all essential base components, mounting hardware, and switchgear required to safely commission a complete tower.

Engineered for seamless system compatibility, the Main Kit ensures every installation begins with a robust, compliant, and scalable platform — forming the backbone of a fully integrated, high-voltage battery solution.

Integrated PowerKeeper Battery System Performance

At the heart of the system, the Sungrow PowerKeeper STC12.5 battery modules deliver advanced energy storage through a high-efficiency, active air-cooled LFP architecture. Featuring 5D alert monitoring, triple-guard protection, and integrated fire suppression, the PowerKeeper platform provides exceptional safety through a unified cell-to-plant protection strategy.

✅ Key Benefits

• Complete First Tower Solution – Base, top cover, mounting hardware, and integrated switchgear for the first ST050CF tower.
• System Architecture Foundation – Mandatory for initial tower, works with Expansion Kits for multi-tower configs.
• Seamless System Integration – Integrates effortlessly with PowerKeeper modules and compatible hybrid inverters.
• Scalable Energy Storage – Expand via PK Accessory (Expansion) Kits for each subsequent tower.
• Optimised for Backup – Minimum 5 towers for full backup with SH100CX / SH110CX inverters.
• Durable Outdoor Design – IP66 with C5 corrosion protection, withstands submersion up to 50cm for 24 hours.
• Installer-Friendly – Pre-configured components simplify installation and reduce labour time.

Specifications

Warranty

10-Year standard warranty