LiFePO4 High-Voltage Battery Storage System for Commercial Solar Solutions

The ESS-GRID S304 is a high-performance solar battery storage system, ideal for “behind-the-meter” microgrids, C&I energy backup, solar farms, community power generation, EV charging, and data center applications. With battery capacities ranging from 155 kWh to 241 kWh, it is designed to provide reliable, long-lasting power for industrial and commercial operations.

Powered by EVE 3.2V 304Ah LiFePO4 cells and featuring BSLBATT’s vehicle-grade battery modules, the ESS-GRID S304 offers a lifespan of up to 15 years and more than 6,000 cycles. Its multi-tier battery management system (BMS) ensures optimal performance, balancing, and monitoring for efficient energy management.

Feature Description

Long cycle life, >6000 cycles

High density, over 125wh/kg

Modular design for rapid expansion and installation

Equipped with an aerosol fire extinguisher

WIFI function, remote AOT one-click upgrade

Maximum 1C charge and discharge

Max. Parallel Connection of 10 Groups
Max. Capacity 2.49MWh

Technical Specifications

Model S304-10 S304-11 S304-12 S304-13 S304-14 S304-15 S304-16
Rated Voltage(V) 512 563.2 614.4 665.6 716.8 768 819.2
Rated Capacity(Ah) 304
Cell Model LFP-3.2V 304Ah
System Configuration 160S1P 176S1P 192S1P 208S1P 224S1P 240S1P 256S1P
Rate Power(kWh) 155.6 171.2 186.8 202.3 217.9 233.5 241.0
Charge Upper Voltage(V) 568.0 624.8 681.6 738.4 795.2 852 908.8
Discharge Lower Voltage(V) 456 501.6 547.2 592.8 638.4 684 729.6
Recommended Current(A) 152
Max. Charging Current(A) 200
Max. Discharging Current(A) 200
Dimension(L*W*H)(MM) High Voltage Control Box: 501*840*250
Single Battery Pack: 501*846*250
Number of Series 10 11 12 13 14 15 16
Communication Protocol CAN BUS / Modbus RTU
Host Software Protocol CANBUS (Baud rate @500Kb/s or 250Kb/s)
Operation Temperature Range Charge:0~55℃
Discharge: -20~55℃
Cycle Life(25°C) >6000 @80%DOD
Protection Level IP20
Storage Temperature 0~35℃
Storage Humidity 10%RH ~90%RH
Internal Impedance ≤1Ω
Warranty 10 years
Battery Life ≥15 years
Weights(KG) 1214 1329 1463 1578 1693 1808 1923

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