China S-ESS Stacked Lithium Battery Energy Storage System - Reliable Suppliers & Factory Solutions
Product Overview
The S-ESS Stacked Lithium Battery Energy Storage System is a highly efficient, flexible, and safe energy storage solution for various applications. Its modular design allows for easy stacking, enabling users to flexibly expand capacity from 10.24kWh to 512kWh by connecting battery modules in series or parallel. This not only simplifies installation and transportation but also facilitates future maintenance and upgrades.
Modular Design
Easily stackable system configuration, allowing seamless capacity expansion from 10.24kWh up to 512kWh.
Extended Lifespan
Utilizes high-performance LiFePO4 cells offering over 6,000 deep cycles for long-term reliability.
Advanced BMS Protection
Comprehensive monitoring of SOC, voltage, current, and temperature, paired with IP55/IP65 protection.
Smart Connectivity
Supports remote monitoring and real-time control via RS485, CAN, WiFi, and Bluetooth integration.
Powered by high-performance lithium iron phosphate batteries, it offers an extended cycle life of over 6,000 cycles, ensuring long-term stable performance. A 51.2V system typically operates within 43.2V - 57.6V, with standard charge and discharge currents varying based on module configurations.
Equipped with an advanced Battery Management System (BMS), it constantly monitors parameters like SOC, voltage, current, and temperature to guarantee safe operation. Multiple safety features, including fire, explosion, and leakage protection, as well as high IP ratings (e.g., IP55/IP65), adapt to diverse environments.
With communication options such as RS485, CAN, WiFi, and Bluetooth, it enables seamless connectivity. Remote monitoring and control via mobile apps allow users to manage the system in real-time. Ideal for home solar storage, it stores excess daytime solar power for later use, reducing electricity costs. In commercial settings, it supports load shifting and serves as emergency backup, optimizing energy efficiency and cutting expenses.
Technical Parameters
| System Capacity | 10.24kWh/5 kW | 15.36kWh/8kW | 20.48kWh/11kW |
|---|---|---|---|
| Standard discharge current | 50A | 50A | 50A |
| Max. discharge current | 100A | 100A | 100A |
| Working voltage range | 43.2-57.6VDC | 43.2-57.6VDC | 43.2-57.6VDC |
| Standard Voltage | 51.2VDC | 51.2VDC | 51.2VDC |
| Max. charging current | 50A | 50A | 50A |
| Max. charging voltage | 57.6V | 57.6V | 57.6V |
| Rated solar input voltage | 360VDC | ||
| MPPT tracking voltage range | 120V-450V | ||
| Max input voltage (VOC) at lowest temperature | 500V | ||
| Max input power | 5500W | 5500W+5500W | |
| Number of MPPT tracking paths | 1 path | 2 paths | |
| DC input voltage range | 42-60VDC | ||
| Rated mains power input voltage | 220VAC/230VAC/240VAC | ||
| Grid power input voltage range | 170VAC~280VAC (UPS mode)/120VAC~280VAC (Inverter mode) | ||
| Grid input frequency range | 45Hz~55Hz(50Hz);55Hz~65Hz (60Hz) | ||
| Inverter output efficiency | 94%(MAX) | ||
| Inverter output voltage | 220VAC±2%/230VAC±2%/240VAC±2%(Inverter mode) | ||
| Inverter output frequency | 50Hz±0.5 or 60Hz±0.5(Inverter mode) | ||
| Inverter output waveform | Pure sine wave | ||
| Grid output efficiency | >99% | ||
| Max mains charging current | 60A | ||
| Max solar charging current | 100A | ||
| Max charging current (Grid+ solar) | 100A | ||
| Optional mode | Grid priority/ Solar priority/ Battery priority | ||
Frequently Asked Questions
What is the capacity range of the S-ESS Stacked Lithium Battery System?
The system features a modular design that allows capacity expansion from a baseline of 10.24kWh up to 512kWh by stacking modules in series or parallel configurations.
How many life cycles does the battery pack support?
Constructed with high-performance lithium iron phosphate (LiFePO4) chemistry, the system offers an extended lifespan of over 6,000 cycles, ensuring long-term utility and durability.
What safety mechanisms are built into the system?
The system is governed by an advanced Battery Management System (BMS) that monitors SOC, voltage, current, and temperature. It also features integrated fire, explosion, and leakage protection with an IP55/IP65 environmental rating.
What type of monitoring and communication protocols are supported?
It supports standard industrial communication options including RS485 and CAN, along with wireless connectivity via WiFi and Bluetooth for real-time remote monitoring through mobile applications.
Can this system be used in commercial settings?
Yes. Beyond residential solar storage, the system is designed to support commercial load shifting, peak shaving, and emergency power backup to optimize energy usage and reduce operational expenses.
What is the standard operating voltage of the battery?
The system operates at a standard rated voltage of 51.2VDC, with a functional working voltage range of 43.2VDC to 57.6VDC.











