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China Suppliers Factory Stacked Power Station: 5KWh to 20KWh Lithium Ion Lifepo4 Off-Grid/Hybrid Solar Systems

Introducing our state-of-the-art stacked power system, available in 5KWh, 10KWh, 15KWh, and 20KWh configurations. Our lithium-ion LiFePO4 batteries are designed for off-grid and hybrid solar power systems, providing reliable energy storage solutions. As a leading China supplier and manufacturer, we ensure that our products meet the highest quality standards. Experience the efficiency and durability of our stacked lithium batteries, perfect for residential and commercial solar applications. Trust our factory to deliver exceptional performance and longevity for all your energy needs

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

    Product Model SLAHG-5KWH SLAHG-10KWH SLAHG-15KWH SLAHG-20KWH
    Rated Capacity 100AH 100AH × 2 100AH × 3 100AH × 4
    Rated Energy 5.12KWH 10.24KWH 15.36KWH 20.48KWH
    Battery Type Lithium Iron Phosphate Battery
    Rated Voltage 51.2V
    Communication Ports RS485 & CAN
    Photovoltaic 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
    Photovoltaic 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)
    Power Input 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 80kg 139.5kg 199kg 258.5kg
    Product Detail Drawing
    Applications
    Application Scene
    Outdoor Dining Family Dinner Farm Outdoor Music Festival Kitchen RV Camping Fishing Power Outage Emergency Construction Site Office Household
    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 Batteries
    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.

    Built-in Battery Management System
    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
    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 DesignModular Stacking DetailScenario Application Diagram
    Frequently Asked Questions
    Q What capacity options are available for this stacked power system?
    The system is available in four capacity configurations: 5KWh (SLAHG-5KWH), 10KWh (SLAHG-10KWH), 15KWh (SLAHG-15KWH), and 20KWh (SLAHG-20KWH), achieved by stacking 1 to 4 battery modules in series with an inverter module.
    Q What type of battery does this system use, and why is it safer?
    The system uses EV-Grade Lithium Iron Phosphate (LiFePO4) batteries. Compared to conventional lithium batteries, LiFePO4 chemistry offers higher thermal stability, longer cycle life, more stable discharge voltage, and significantly improved safety — especially under high-temperature conditions.
    Q Can this system work during a power outage without interruption?
    Yes. The built-in Intelligent Operation Management System supports automatic, delay-free switching during power outages (UPS mode), ensuring a seamless power supply experience for connected devices and appliances.
    Q What is the solar charging efficiency of the built-in MPPT controller?
    The built-in MPPT controller uses peak power point tracking technology with a conversion efficiency of no less than 99%. It supports a PV input voltage range of 120V to 450VDC and a maximum photovoltaic input power of 4000W, maximizing solar energy utilization.
    Q How does the Battery Management System protect the battery?
    The advanced BMS provides 8 layers of safety protection with multiple protection algorithms. It performs real-time dynamic monitoring and adjustment of voltage, current, and temperature to prevent overcharge, over-discharge, short circuit, and overheating — extending battery life and maintaining system stability.
    Q Is this system suitable for both off-grid and hybrid (on-grid) solar setups?
    Yes. The system supports both off-grid and hybrid (on-grid) solar configurations. It accepts mains input voltages of 220VAC / 230VAC / 240VAC and communicates via RS485 and CAN ports, making it compatible with a wide range of solar inverters and smart energy management platforms.