Sigenergy SigenStor 11.5kW / 18.08kWh Home Backup System
- 5-in-One
Combines the solar inverter, battery power-conversion system (PCS), battery modules, energy management system (EMS), and an optional bidirectional DC EV charger sold separately. - Supports DC- and AC-Coupled Systems
Add SigenStor to an existing solar system or use it with a new PV installation. - Whole-Home and Partial-Home Backup
- Optional Sigen V2X Bidirectional DC EV Charger — Sold Separately
25 kW charging with a 25 ft cable; CCS1 for non-Tesla vehicles or NACS for Tesla vehicles. - Flexible Battery Configuration
Choose BAT 6.0 or BAT 9.0 modules and configure one to six modules per stack, for 6.02-54.24 kWh.
6.02 kWh or 9.04 kWh per module - Sigen LoadHub
200A Service Entrance rated
5 double-pole smart controllable loads
0 ms load-side disruption
Generator Supported
SigenStor Home Energy Solutions
System Design Guide & Wiring Diagram
UL9540 Certification
UL9540A Certification
✓ Authorized Sigenergy Distributor
✓ Free Shipping
✓ In Stock Ready To Ship
✓ Questions? Email to a Self2solar Expert: PrimeService@Self2solar.com
Replying within 30 minutes.
Sigenergy SigenStor is an AI-optimized, fully integrated 5-in-One home energy system designed to help homeowners use solar energy more efficiently and maintain backup power during outages.
Its modular design combines a solar inverter, battery power-conversion system (PCS), battery modules, energy management system (EMS), and an optional 25 kW bidirectional DC EV charger.
BAT 6.0 and BAT 9.0 battery modules provide 6.02 kWh and 9.04 kWh respectively. Because both modules share the same form factor, each stack can be configured from 6.02 kWh to 54.24 kWh using one to six modules.
The Sigen LoadHub provides the core backup and load-management functions:
• Five double-pole controllable load circuits
• 0 ms load-side disruption when switching to backup mode
• Supports generator integration, heat pumps, and other controllable loads
• Supports both whole-home and partial-home backup
• Coordinates power from solar PV, battery storage, the grid, and a generator
SigenStor 11.5kW / 18.08kWh System Overview
The Sigenergy SigenStor 11.5kW / 18.08kWh All-in-One Backup System is a modular solar and battery storage solution designed for U.S. residential applications. The SigenStor-11.5-18.08 configuration combines one SigenStor EC SP US Energy Controller configured for 11.5kW AC output with two SigenStor BAT 9.0 US LiFePO₄ battery modules, providing 18.08kWh total battery capacity and 17.52kWh usable energy.
Designed for 120/240V split-phase homes, the system supports up to 23kW of solar PV input, four independent MPPT trackers, on-grid operation, and backup power. The included Sigen LoadHub supports whole-home or partial-home backup and 0 ms load-side disruption under specified operating conditions.
What Is Included in This System?
- 1 × Sigen EC US 11.5kW Energy Controller
- 2 × Sigen BAT 9.0 battery modules
- 1 × Sigen LoadHub
- 1 × Battery base — included with the Sigen Energy Controller
Note: The optional Sigen V2X EVDC 25kW bidirectional charger is not included and must be purchased separately.
Application Scenarios
- New solar-plus-storage installations
- AC-coupled retrofits for existing solar systems
- Off-grid systems designed with appropriate generation and load controls
- Grid-charged battery backup with time-of-use energy management
Key Features
-
5-in-One, Full Integration
Combines the solar inverter, battery power-conversion system (PCS), battery modules, energy management system (EMS), and an optional bidirectional DC EV charger. -
Expandable On Demand
Configure BAT 6.0 and BAT 9.0 modules to match current backup needs and expand the system as energy requirements grow.
• Configure one to six battery modules per stack
• Parallel up to seven SigenStor systems
• 6.02-54.24 kWh per stack -
Tough By Design, Peace Of Mind
• 314 Ah high-capacity battery cells for long service life
• Six layers of protection in each battery pack
• Multi-source black-start capability for reliable backup
• NEMA 4X enclosure for flexible indoor or outdoor installation -
Effortlessly Efficient
• Self-guiding pin connectors automatically link stacked modules without field wiring, reducing installation time and cost.
• Each battery module includes a DC optimizer, and parallel pack connections help reduce mismatch losses over time. -
AI Optimized, Future Proof
Experience AI-assisted support, monitor deployed systems and perform remote diagnostics all via our mySigen App. System owners can use AI-assisted energy planning, safety features, and grid services. -
Two-way EV Charging, Pioneering V2X (optional)
• Use the optional Sigen EV DC charging module to charge a compatible EV directly from solar power.
• Bidirectional V2X support allows a compatible EV to supply backup power to home loads during an outage.
System Configuration
System Model: SigenStor-11.5-18.08
Energy Controller: 1 × SigenStor EC SP US
Battery Modules: 2 × SigenStor BAT 9.0 US
Battery Chemistry: LiFePO₄ (LFP)
Total Battery Capacity: 18.08 kWh
Usable Battery Capacity: 17.52 kWh
Maximum Continuous AC Output: 11.5 kW
AC Voltage: 120/240V Split Phase
Nominal Frequency: 60 Hz
Application: Residential Solar + Battery Energy Storage / Home Backup
Compatible Backup Equipment: Sigen LoadHub US
Technical Specifications
Sigen Energy Controller
Model: SigenStor EC SP US
Nominal AC Output Power: 11,500 W
Maximum Continuous AC Current: 48 A
Recommended AC Switch Rating: 60 A
Nominal AC Output Voltage: 120/240V
Grid Frequency Range: 59.3–60.5 Hz
Power Factor: 0.8 Leading to 0.8 Lagging
Total Current Harmonic Distortion: THDi < 2%
Maximum Efficiency: 97.8%
Maximum PV Input Power: 23,000 W
Maximum DC Input Voltage: 600 V
Nominal DC Input Voltage: 360 V
PV Start-Up Voltage: 100 V
MPPT Voltage Range: 50–550 V
Number of MPPT Trackers: 4
PV Strings per MPPT: 1
Maximum Input Current per MPPT: 16 A
Maximum Short-Circuit Current per MPPT: 20 A
Backup Power
Backup Output Power at 240V: 11,500 W
Backup Output Power at 120V: 5,750 W
Peak Backup Output Power: 17,100 W for 10 seconds
Backup Output Voltage: 120/240V
Output Frequency Range: 59.3–60.5 Hz
Total Voltage Harmonic Distortion: THDv < 2%
Backup Load-Side Disruption: 0 ms*
*0 ms load-side disruption requires the Sigen LoadHub US, Sigen Energy Controller US, and Sigen Battery US operating together under Sigenergy's specified conditions.
Battery
Battery Model: SigenStor BAT 9.0 US
Quantity: 2 Battery Modules
Battery Type: LiFePO₄ (Lithium Iron Phosphate)
Total Energy per Battery: 9.04 kWh
Usable Energy per Battery: 8.76 kWh
System Total Energy: 18.08 kWh
System Usable Energy: 17.52 kWh
Maximum Charge / Discharge Power per Battery: 4,600 W
Peak Charge / Discharge Power per Battery: 6,900 W for 10 seconds
Compatible Controller Battery Voltage Range: 300–600 V
Physical & Environmental
Energy Controller Dimensions (W × H × D): 27.6 × 11.8 × 10.2 in. (700 × 300 × 260 mm)
Energy Controller Weight: 77.1 lb (35 kg)
Controller Operating Temperature: -22°F to 140°F (-30°C to 60°C)
Controller Storage Temperature: -40°F to 158°F (-40°C to 70°C)
Controller Cooling: Smart Air Cooling
Controller Communication: WLAN / Fast Ethernet / RS485 / Sigen CommMod US (4G / 3G)
Battery Dimensions per Module (W × H × D): 30.2 × 10.6 × 10.4 in. (767 × 270 × 265 mm)
Battery Weight per Module: 172 lb (78 kg)
Battery Operating Temperature: -4°F to 131°F (-20°C to 55°C)
Battery Storage Temperature: -13°F to 140°F (-25°C to 60°C)
Battery Relative Humidity: 5%–95%
Maximum Operating Altitude: 13,123 ft (4,000 m)
Battery Cooling: Natural Convection
Battery Enclosure: Type 4X
Battery Installation: Floor-Standing or Wall-Mounted
Standards & Compliance
SigenStor EC SP US: UL 1741, UL 1741 SB, UL 1741 CRD, IEEE 1547-2018, IEEE 1547.1-2020, UL 1998, UL 991, UL 1699B, California Proposition 65, FCC Part 15 Class B.
SigenStor BAT 9.0 US: UL 1973, UL 1998, UL 9540, UL 9540A, UN 38.3, California Proposition 65, FCC Part 15 Class B
Shipping and Delivery
- The battery can only ship via hazmat freight
- Free shipping. 5~7 business days for delivery.
Downloads and Documentation
Datasheets
Brochure_Sigenergy_Home_solutions.pdf
Datasheet_- SigenStor_BAT_Battery_6.0-9.0_US.pdf
Datasheet_-_Sigen_enegy_controller_US.pdf
Datasheet_-_Sigen_LoadHub_US.pdf
Datasheet_-_Sigen_EV_DC_US.pdf
User Manual
SigeStor_Home_Install_Manual.pdf
-01-SigenStor_Home_Important_Notice_EN.pdf
-02-SigenStor_Home_Installation_Guide_EN.pdf
-03-SigenStor_Home_Alarm_list_EN.pdf
Certification
HUB
Sigen_LoadHub_Installation_Guide
-01-Sigen_Home_Important_Notice_EN.pdf
-02-Sigen_LoadHub_Installation_Guide_EN.pdf
-03-Sigen_LoadHub_Alarm_list_EN.pdf
About Sigenergy
Sigenergy is a forward-thinking company focusing on developing cutting-edge home and business energy solutions, including energy storage systems, solar inverters, and EV chargers. Our world-class R&D team of hundreds of industry talents shares the vision of making the world greener through continuous innovation.
By integrating the latest power electronics, digital, and AI technologies, we build next-generation energy products with optimum safety features. With global sales and services, we aim to become our customers' most trusted partners on their journey to a more sustainable future.
Sigenergy SigenStor System FAQ
A typical SigenStor all-in-one system normally includes:
- 1 unit of Sigenergy Sigen Energy Controller 11.5kw hybrid
- 1~6 units of Sigen BAT 6.0 or BAT 9.0 battery modules, the battery module quantity according to the system configuration.
- 1 unit of Sigen loadhub as a smart gateway.
You can parallel maximum 7 systems for a project.
Sigenergy SigenStor ALL-IN-ONE system can support AC-Couple to integrated existed solar system for solar retrofit. Only having third-party inverter ( String inverter, Microinverter ) wiring to Sienergy Sigen LoadHub, the mySigen App will manage the whole system.
The Sigenergy SigenStor system can support whole home backup and partial home backup.
Each battery stack capacity can expand to 54.24kWh, Maximum 7 Sigenergy SigenStor can parallel to one Sigen LoadHub for a maximum 379.68kWh storage capacity.
The Sigenergy Sigen V2X EVDC bidirectional charger cannot operate independently; it must be integrated with the SigenStor ALL-IN-ONE home energy system. This system must include at least one battery. Since the electric vehicle cannot black-start on its own—it requires the SigenStor system to initiate and discharge power to household loads.
You can add new battery modules to the existed SigenStor any time according to your need. The Sigenergy BAT 6.0 ( 6.02kWh) and Sigenergy BAT 9.0 ( 9.04KWH) module are the same dimension, it is flexible to config any storage capacity you need. Each battery module with a built-in DC optimizer to ensure the highest battery efficiency.
Yes, the SigenStor system support generator, there is a generator port in Sigen loadhub. You can hook your generator to Sigen loadhub.
Yes, the SigenStor system supports VPP (Virtual Power Plant). It offers powerful APIs that can integrate with the local utility company's API, enabling coordinated control between the system and the grid. If needed, please contact your local utility provider for more details.
The Sigenergy SigenStor all-in-one system provide a standard 10-Year warranty.
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