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China Suppliers Factory Stacking Power Station: 5KWh/10KWh/15KWh/20kWh Lithium-Ion LiFePO4 Off-Grid/Hybrid Solar System

Introducing our advanced Stacked Power System, available in 5KWh, 10KWh, 15KWh, and 20KWh configurations. This lithium-ion Lifepo4 battery is specifically designed for off-grid and hybrid solar power systems. As one of the leading suppliers in China, our factory utilizes cutting-edge technology to ensure high performance and reliability. Optimize your energy storage solutions with our durable and efficient stacked lithium battery, perfect for various applications in sustainable energy setups. Experience the quality and innovation that comes from trusted China manufacturers

    Stacked Power System 5KWh / 10KWh / 15KWh / 20KWh — Lithium Iron Phosphate (LiFePO4) Battery, Off-Grid / Hybrid Solar Power System with Modular Stacked Lithium Battery Design.

    Technical Specifications
    Product Model SLAHG-5KWH SLAHG-10KWH SLAHG-15KWH SLAHG-20KWH
    Rated Capacity 100AH 100AH × 2 100AH × 3 100AH × 4
    Rated Energy 5.12 KWH 10.24 KWH 15.36 KWH 20.48 KWH
    Battery Type Lithium Iron Phosphate Battery
    Rated Voltage 51.2V
    Communication Ports RS485 / CAN
    PV Charging Current (Max) 100A
    Mains Charging Current (Max) 60A
    Rated Output Power 5000W
    Battery Voltage 48VDC
    Monitor LED + LCD
    Working Mode MPPT
    MPPT Tracking Voltage Range 120V – 450VDC
    Rated PV Array Operating Voltage 360VDC
    PV Input Power (Maximum) 4000W
    DC Input Voltage Range 42VDC – 60VDC
    Rated Power Input Voltage 220VAC / 230VAC / 240VAC
    Power Input Voltage Range 170VAC – 280VAC (UPS Mode)
    120VAC – 280VAC (INV Mode)
    Frequency Range 45Hz – 55Hz (50Hz)  /  55Hz – 65Hz (60Hz)
    Inverter Output Voltage 220VAC ±2% / 230VAC ±2% / 240VAC ±2% (Inverter Mode)
    Output Efficiency Inverter (Maximum): 94% (Peak)  /  Manual: 99%
    Size 425 × 560 × 425mm 425 × 560 × 600mm 425 × 560 × 775mm 425 × 560 × 950mm
    Weight 80 kg 139.5 kg 199 kg 258.5 kg
    Stacked Battery System Detailed Drawing
    🌏 Applications
    Application Scene Graph

    Our products are suitable for a wide range of scenarios including: Outdoor Dining, Family Dinner, Farm, Outdoor Music Festival, Kitchen, RV, Camping, Fishing, Power Outage Emergency, Construction Site, Office, Household, and more.

    Product Advantages
    1 EV-Grade LiFePO4 Batteries

    Compared with ordinary batteries, it has higher energy density, longer cycle life, higher safety under high temperature conditions, relatively stable discharge voltage, is compatible with various electrical appliances and digital devices, and can provide long-lasting power supply.

    EV-Grade LiFePO4 Battery Detail
    2 Built-in Battery Management System

    It uses an advanced battery management system with 8 layers of safety protection, multiple protection algorithms, and real-time dynamic adjustment of voltage, current, and temperature to ensure safe operation. This system can optimize battery performance, improve energy efficiency, extend battery life, improve system stability, and improve safety performance.

    Battery Management System Detail
    3 Intelligent Operation Management System

    Intelligent power control, automatic and delay-free switching during power outages, ensuring power consumption experience during special periods.

    Intelligent Operation Management System
    4 Built-in MPPT Controller

    High-efficiency chip, using peak power point tracking technology, greatly improves the energy utilization of the solar energy system, with a conversion efficiency of no less than 99%, efficiently charging the battery.

    Built-in MPPT Controller Detail
    5 Modular Stacking Design

    The energy storage system consists of 1 to 4 battery modules connected in series and an inverter module, with an available capacity of 5 to 20 kWh. The modular stacking design allows for flexible matching of energy storage units and capacity expansion on demand.

    Modular Stacking Design Detail 1Modular Stacking Design Detail 2Scenario Application Diagram
    Frequently Asked Questions
    Q What capacity options are available for the stacked power system?
    The stacked power system is available in four capacity configurations: 5KWh (SLAHG-5KWH), 10KWh (SLAHG-10KWH), 15KWh (SLAHG-15KWH), and 20KWh (SLAHG-20KWH), achieved by connecting 1 to 4 battery modules in series.
    Q What type of battery does this system use, and why is it safer?
    The system uses EV-grade Lithium Iron Phosphate (LiFePO4) batteries, which offer higher energy density, longer cycle life, stable discharge voltage, and superior thermal stability compared to conventional batteries. An 8-layer battery management system (BMS) further ensures safe operation under all conditions.
    Q Can this system work as both an off-grid and hybrid (on-grid) solar power solution?
    Yes. The system supports both off-grid and hybrid (on-grid) operating modes. It features intelligent switching with zero delay during power outages (UPS Mode) and can also operate in Inverter Mode, making it suitable for a wide range of residential and commercial solar applications.
    Q What is the MPPT efficiency of the built-in solar charge controller?
    The built-in MPPT (Maximum Power Point Tracking) controller achieves a conversion efficiency of no less than 99%. It supports a PV input voltage range of 120V–450VDC and a maximum photovoltaic input power of 4000W, maximizing the energy harvested from your solar panels.
    Q Is it possible to expand the system's capacity in the future?
    Absolutely. Thanks to the modular stacking design, you can start with a 5KWh unit and expand up to 20KWh by adding battery modules as your energy needs grow — no need to replace the entire system.
    Q What are the typical application scenarios for this stacked battery system?
    This system is designed for a wide variety of use cases including household backup power, RV and camping power supply, farms, outdoor events, offices, construction sites, kitchens, and emergency power outage scenarios. It is compatible with most standard electrical appliances and digital devices.