
Sigenergy's Scalable AI Optimized Residential ESS
The Sigenergy SigenStor platform represents a fully integrated energy storage solution combining five critical components into a unified, intelligent system: hybrid solar inverter, battery power conversion, modular LiFePO₄ storage, bi-directional EV charging, and comprehensive energy management.
Unlike conventional solar-plus-storage installations requiring separate components from multiple manufacturers, the SigenStor ecosystem delivers seamless integration, optimized performance, and simplified installation through DC-coupled architecture and centralized control. This professional-grade system scales from compact residential installations to substantial commercial deployments.
Engineered for professional installers and system integrators, the SigenStor platform delivers 97.8% conversion efficiency, 0ms backup transfer time, and comprehensive grid compliance including UL 1741 SB, IEEE 1547-2018, and UL 9540A certifications.


SigenStor EC SP US Energy Controller
The foundation of the SigenStor system, this advanced hybrid inverter provides single-SKU flexibility across six power ratings (3.8kW to 11.5kW) through software configuration. Four independent MPPT channels support up to 2:1 DC-to-AC oversizing for maximum solar harvest from complex roof layouts. Integrated Energy Management System coordinates real-time power flow between solar generation, battery storage, grid connection, and backup loads with 97.8% maximum efficiency and 0ms backup transfer time.
Field Configurable Power
Single SKU supports six power ratings from 3.8kW to 11.5kW through software configuration.
0ms Backup Transfer
Instantaneous switchover protects sensitive electronics during grid outages.
4 Independent MPPT
Four MPPT channels with 2:1 DC/AC ratio for maximum solar harvest from complex arrays.
SigenStor EC SP US Energy Controller Specifications
| Specification | Value |
|---|---|
| Power Ratings | 3.8 / 4.8 / 5.7 / 7.6 / 9.6 / 11.5 kW (field configurable) |
| MPPT Channels | 4 Independent, 50-550V range, 600V max input |
| Maximum Efficiency | 97.8% |
| Backup Switchover | 0 milliseconds |
| Battery Range | 300-600V DC |
| Output | Split-phase 240/120V |
| Enclosure Rating | NEMA 4X (outdoor rated) |
| Certifications | UL 1741 SB, IEEE 1547-2018, UL 1998, NEC Compliant |

SigenStor Battery Modules - 6kWh & 9kWh
Modular LiFePO₄ (Lithium Iron Phosphate) battery modules delivering superior cycle life (6000+ cycles), enhanced thermal stability, and inherent safety. Available in 6.02 kWh and 9.04 kWh configurations with 97% usable capacity. Features self-guiding plug connectors for rapid installation, AI-assisted battery management, and parallel connection architecture for scalable capacity expansion up to 100+ kWh.
6000+ Cycle Life
Extended lifespan with superior LiFePO₄ chemistry delivering over 6000 cycles at 80% DOD.
100% Depth of Discharge
Full 97% usable capacity without degradation, maximizing your energy storage investment.
5-Layer Safety Protection
Comprehensive safety systems with built-in optimizer and Type 4X outdoor-rated enclosure.
Battery Module Specifications
| Specification | Value |
|---|---|
| Chemistry | LiFePO₄ (Lithium Iron Phosphate) |
| Cycle Life | 6000+ cycles @ 80% DOD |
| Depth of Discharge | 100% (97% usable capacity) |
| Operating Temperature | -4°F to 131°F (-20°C to 55°C) |
| Enclosure Rating | Type 4X (indoor/outdoor) |
| Mounting | Floor-standing or wall-mounted |
| Cooling | Natural convection (maintenance-free) |
| Certifications | UL 1973, UL 9540, UL 9540A |

SigenStor EVDC - 25kW DC Fast Charger
Professional-grade 25kW DC fast charger delivering bi-directional power flow for rapid EV charging and Vehicle-to-Home (V2H) / Vehicle-to-Grid (V2G) applications. DC-coupled architecture enables direct solar-to-vehicle charging without AC conversion losses, achieving 100% renewable energy utilization. Dual CCS1 and NACS connector compatibility supports all North American EV platforms. V2H capability transforms EV batteries into mobile backup power sources (75-100 kWh typical).
25kW Charging Power
Approximately 150 km driving range per hour of charging with bi-directional capability.
Universal Compatibility
Dual CCS1 and NACS connectors support all North American EVs, 150-1000V range.
V2H / V2G Ready
Transform your EV into mobile backup power or enable grid services revenue generation.
EV Charger Specifications
| Specification | Value |
|---|---|
| Charging Power | 25 kW (bi-directional) |
| Output Voltage Range | 150-1000V DC |
| Maximum Current | 80A |
| Connector Types | CCS1 / NACS (North American standard) |
| Enclosure Rating | IP66 / NEMA 4X |
| Charging Modes | V2H, V2G, Smart Load Management, 100% Solar |
| Architecture | DC-coupled (direct solar integration) |
| Installation | Wall-mounted, outdoor rated |

Sigen LoadHub - 200A Backup Power Manager
Advanced backup power management system featuring patented 0ms load-side disruption technology for seamless grid-to-backup transitions. Manages bidirectional power flow between grid connection, solar generation, battery storage, generator sources, and protected loads through integrated monitoring and switching. Supports connection of up to 2 SigenStor units with five independent smart load ports for prioritized backup power distribution. Generator integration with 2-wire start provides extended backup duration for critical applications.
0ms Transfer Time
Patented zero-millisecond load-side disruption protects sensitive electronics during transitions.
5 Smart Load Ports
Prioritized backup distribution with remote control, 64A continuous per port.
Generator Integration
2-wire auto-start capability for extended backup duration during prolonged outages.
LoadHub Specifications
| Specification | Value |
|---|---|
| Max Continuous Current | 200A (grid & main panel) |
| SigenStor Connections | Up to 2 units, 48A per connection |
| Smart Load Ports | 5 ports, 64A continuous each, 80A OCPD |
| Generator Port | 64A, 2-wire auto-start supported |
| Transfer Time | 0 milliseconds |
| Protection | 350ms reverse power flow protection |
| Noise Level | <25dB (ultra-quiet operation) |
| Enclosure | Type 3R, Wall-mounted |
| Certifications | UL 67, UL 869A, UL 1741 |

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