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All-in-One Residential Energy Storage System

Product Description:
The All-in-One Residential Energy Storage System is an all-in-one cabinet-style product that combines a hybrid inverter with stackable battery modules. This system integrates three key functions: energy conversion, power distribution, and intelligent storage, automatically and efficiently managing the flow of energy between solar power, grid power, and battery storage. The built-in battery supports flexible expansion from a base capacity of 5kWh to 20kWh, adapting to different household power needs and embracing a wide range of applications.

Product Advantages
Product Description
Product Specifications

Advantages and Features:
1. Easy Installation
The system integrates the hybrid inverter and battery modules into a single cabinet, eliminating the need for multiple devices, complex wiring, and separate installation spaces. Internal connections and commissioning are completed before shipment, simplifying on-site installation and reducing installation time.

2. Modular and Flexible Expansion
Based on current budgets and electricity usage habits, users can start with a base configuration of 5kWh. As household power needs increase (e.g., by adding an electric vehicle or new appliances), capacity can be easily expanded up to 20kWh by simply adding battery modules.

3. Intelligent Energy Management, Efficient and Autonomous

The system acts like a 24/7 home energy manager, automatically optimizing electricity usage through advanced algorithms. It prioritizes solar power, supplementing it with batteries when needed, and ultimately tapping into the grid's high-priced electricity. In areas with high electricity prices, it automatically charges during off-peak hours and discharges during peak hours, maximizing savings. All decisions are made automatically by the system, requiring no manual intervention, for a truly "set it and forget it" intelligent experience.

4. Voltage Compatibility, Hassle-Free Operation

The built-in hybrid inverter core features intelligent identification and wide voltage compatibility, automatically adapting to and providing stable access to both standard single-phase and more complex three-phase grid environments. This makes it suitable not only for apartments and villas, but also for small businesses and farms.

Application Scenarios:
● Green standard for new homes
● Energy storage upgrade for existing PV systems
● Cost reduction using stored power during peak hours
● Small commercial and off-grid applications

Nxten All-in-One Residential Energy Storage System combines a hybrid inverter with stackable battery storage (5~20kWh capacity) in a single unit. It automatically manages power from solar, grid, and battery sources, providing uninterrupted electricity during outages.

Typical Applications:

● Solar Self-Consumption: Stores excess solar energy during the day for use at night

● Backup Power: Provides an uninterrupted power supply during grid outages

● Peak Shaving: Reduces electricity costs by using stored energy during peak rate periods

● Off-Grid Living: Enables energy independence for remote locations

Features:

● 5kWh modular design for flexible expansion 5kWh

● Automatic identification

● Single & three-phase residential inverter compatible

Model NKS HES-17-x-SH
(x=n*5)
NKS HES-20-x-SH
(x=n*5)
NKS HES-25-x-SH
(x=n*5)
NKS HES-30-x-SH
(x=n*5)
Pack
Specifications 51.2V, 100Ah, 5.12kWh
Cycle Life(Capacity≥80%) 6000@100%DOD,RT
 Cluster
Rated Voltage n*51.2V n*51.2V n*51.2V n*51.2V
Rated Energy x=n*5.12kWh x=n*5.12kWh x=n*5.12kWh x=n*5.12kWh
Pack Quantity n=4~13pcs n=4~13pcs n=5~13pcs n=6~13pcs
AC Grid
AC Voltage 230/400V(3-phase,Configurable),50/60Hz(Configurable)
Rated Power 17kW 20kW 25kW 30kW
Charge Overload Capability 150%kVA
Discharge Overload Capability 110%kVA
Max.Output Current 30A 32A 40A 48A
Current THD <3%
Power Factor 1(±0.8 Adjustable)
Off Grid
Rated Power 17kVA 20kVA 25kVA 30kVA
Rated Output Current 24.8A 29A 36.3A 43.5A
Discharge Overload Capability 110%kVA    @60s
THDV Voltage Harmonic Distortion(with linear load) <3%
Transfer Time 10ms

PV Input

Input Voltage Range 160~1000V
MPPT Voltage Range 160~850V
Full MPPT Range 500~850V
Start-up Voltage 160V
Max.Input Power 25.5kW 30kW 37.5kW 45kW
Max.Input Current 32A*2 40A*2
Short Current 48A*2 60A*2

System

Efficiency 94%
IP Rating IP65
Dimensions(W*D*H) 530*340*(n*245+722)±5.When n>4, system can also be connected through external cables and be stacked in multiple columns
Weight n*53+63kg
Communication CAN/Modbus/WiFi/GPRS/4G
About Nxten
Engineering the Future of Energy
Nxten is strategically positioned in China's key energy hub, providing optimal connectivity to global new energy markets. As a professional OEM Villa Balcony Energy Storage manufacturers and ODM All-in-One Residential Energy Storage System factory, Our team excels in international trade compliance and cross-border logistics solutions.We operate a fully integrated supply chain, achieving production efficiency gains of 30% and maintaining Six Sigma quality standards. Our IATF 16949 certified manufacturing facilities ensure automotive-grade reliability for all products.The company's in-house R&D center delivers customized energy solutions compliant with UL 1973, IEC 62619, and other key international certifications. Our vertical integration spans from component manufacturing to final product distribution, offering clients single-point accountability.
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All-in-One Residential Energy Storage System Industry knowledge

As a modern home energy management solution, the all-in-one residential energy storage system is gradually becoming an important part of smart homes and new energy lifestyles. This system highly integrates complex energy storage, power management, and inverter technologies, providing families with a more efficient, safer, and smarter electricity experience. The villa balcony energy storage system is an integrated cabinet product that integrates a hybrid inverter and stackable battery modules. This system has three core functions: energy conversion, power distribution, and intelligent storage, and can automatically and efficiently manage the energy flow between solar energy, the grid, and battery storage. The built-in battery supports flexible expansion from 5kWh to 20kWh, meeting the electricity needs of different families and suitable for various application scenarios.

In home energy management, the all-in-one energy storage system is not only a "storage warehouse" for electricity but also a "dispatch center" for the entire home's energy. When a photovoltaic system is installed, this energy storage system can intelligently allocate priority power supply from solar power generation, autonomously store electricity, and feed surplus electricity into the grid, significantly improving the self-consumption rate of photovoltaic power. During the day, when sunlight is abundant, the electricity generated by the photovoltaic system powers household loads, with excess power automatically stored in the battery. At night or when photovoltaic power is insufficient, the battery releases energy to continue providing a stable power supply to the household, significantly reducing dependence on the grid and thus lowering electricity bills. Thanks to the system's built-in hybrid inverter, efficient energy conversion is achieved whether using solar energy input, battery output, or grid integration, ensuring a stable and continuous power supply for the household.

In practical applications, the integrated residential energy storage system also plays a crucial role as an emergency backup power source. When the grid trips or fails, the system automatically switches to off-grid operation mode within a short time, providing seamless power support for critical household loads. For example, refrigerators, lighting, security systems, network equipment, and other important appliances can continue to operate normally during power outages, effectively ensuring the continuity and safety of family life. Compared to traditional backup generators, the integrated energy storage system is more environmentally friendly, noiseless, and emission-free, requiring no additional maintenance or fuel costs, making it an ideal choice for modern home emergency power supply.

In addition to its powerful energy storage and emergency capabilities, the system's design also fully considers the convenience and aesthetics of home installation. The integrated cabinet structure simplifies the installation process, eliminating the need for complex wiring and equipment stacking. On-site connection to solar panels, household loads, and the power grid is all that's required for immediate use. The cabinet's clean appearance, typically featuring dust and moisture-proof design, allows for flexible installation in garages, storage rooms, or indoor server rooms, saving space and blending seamlessly with the home environment. The stackable battery module design facilitates easy capacity expansion, allowing users to gradually increase capacity based on household load levels or future electricity needs. The expansion range from 5kWh to 20kWh caters to diverse needs from standard households to large residences.

Ningbo Nxten Energy Technology Co., Ltd. is a professional manufacturer of integrated residential energy storage systems, committed to providing users with a more convenient, efficient, and environmentally friendly home energy experience.