Sungrow 12.5kWh PowerKeeper Battery Module
SKU: STC12.5
The Sungrow 12.5kWh PowerKeeper Battery Module (SKU: STC12.5) is a modular energy storage building block designed for commercial and industrial (C and I) applications. Utilizing safe and high-density Lithium Iron Phosphate (LFP) cell technology, this module forms part of Sungrow's stackable PowerKeeper modular energy storage system. Built with robust IP66 ingress protection and a C5 anti-corrosion rating, it provides flexible, safe, and highly scalable energy storage for both new solar installations and retrofit upgrades.
Key Features: Sungrow 12.5kWh PowerKeeper Battery Module
Flexible and Scalable Architecture: Standardized modular design that allows flexible stacking to meet specific commercial energy storage requirements.
Safe LFP Chemistry: Built with 3.2V LFP cells offering high thermal stability, long cycle life, and reliable operational performance.
Pack-Level Safety: Designed to integrate with pack-level thermal runaway protection, smoke detection, and explosion relief valves.
Active Module Balancing: Supports mixing new and aged battery modules with active balancing to streamline long-term maintenance and system expansion.
Heavy-Duty Weather Resistance: Robust IP66 protection rating and C5 anti-corrosion rating with enhanced flood resistance for outdoor environments.
Smart O and M Ready: Seamlessly connects with logger systems for cloud-based energy optimization, OTA upgrades, and predictive diagnostics.
Basic Specs: Sungrow 12.5kWh PowerKeeper Battery Module
Nominal Capacity: 12.5 kWh (approx. 49.9 kWh per 4-module 153.6V stack)
Cell Type: Lithium Iron Phosphate (LFP 3.2V)
Depth of Discharge (DOD): 0% - 100%
Nominal DC Voltage Range (per stack): 129.6 V - 175.2 V
Nominal Charge / Discharge Current: 162.5 A
Max. Charge / Discharge Current: 192 A
Cooling Method: Forced air cooling
Degree of Protection & Anti-Corrosion: IP66 / C5
Operating Temperature Range: Charge: 0 to 55 degrees C (optional -20 to 55 degrees C); Discharge: -20 to 55 degrees C
Operating Altitude: up to 3000 m
Standard Compliance: IEC62619, IEC63056, UN38.3, IEC62477-1, UL9540A
Standard Warranty: 10 Years

What’s Included: Sungrow 12.5kWh PowerKeeper Battery Module
Sungrow 12.5kWh PowerKeeper Battery Module (Model: STC12.5)
Inter-Module Interconnect Terminals and Power Bus Accessories
Integrated BMS Communication Wiring Harness
User Manual and Installation Documentation
Why Choose AC Solar Warehouse for Sungrow 12.5kWh PowerKeeper Battery Module?
When sourcing the Sungrow 12.5kWh PowerKeeper Battery Module through AC Solar Warehouse, you benefit from industry-leading commercial solar expertise, guaranteed authentic equipment, and dedicated technical service. AC Solar Warehouse offers end-to-end support for commercial and industrial installers—from pre-sale system design and battery sizing verification to post-commissioning assistance. With stock availability and robust logistics networks, AC Solar Warehouse ensures your commercial energy storage projects are executed efficiently and backed by trusted industry professionals.