1P52S LFP Battery Module | High-Voltage Long Cycle Battery Pack for Utility BESS

Overview

The 1P52S LFP Battery Module is a high-voltage, standardized energy storage battery pack specially developed for large-scale containerized BESS, utility-grade energy storage power stations, and new energy supporting storage projects. Adopting a mature 1 parallel 52 series cell configuration and premium automotive-grade LFP cells, this module delivers high voltage output, excellent cell consistency and ultra-stable cyclic performance. As the core stacking component for 1500V high-voltage energy storage systems, it supports large-capacity cluster combination, uniform heat dissipation and long-term full-load operation.

Fully factory-assembled, structurally optimized and 100% strictly tested, the 1P52S battery module features high energy density, low attenuation rate and strong environmental adaptability. It is widely recognized and adopted by global energy storage EPCs and system integrators for utility-scale centralized energy storage projects, ensuring reliable, safe and cost-effective system stacking.

Core Specifications

• Configuration: 1P52S (1 Parallel, 52 Series)
• Battery Cell Type: Automotive-grade Long-cycle Lithium Iron Phosphate (LFP)
• Nominal Voltage: 166.4V
• Full Charge Voltage: 187.2V
• Cycle Life: ≥6000 cycles at 80% DOD
• Operating Temperature: -20℃ ~ +55℃
• Storage Temperature: -30℃ ~ +60℃
• Self-Discharge Rate: ≤3% per month
• Protection Functions: Overcharge, overdischarge, overcurrent, short circuit, over temperature and voltage imbalance protection
• Design Life: 10+ years
• Application Standard: Fully compliant with 1500V high-voltage BESS system design specifications and global energy storage safety standards

Key Product Advantages

1. Professional 1P52S High-Voltage Matching Design

The 1P52S high-series configuration perfectly matches the mainstream 1500V DC high-voltage energy storage system architecture in the global utility energy storage industry. The optimized single-string series layout ensures balanced current distribution and consistent voltage output of each cell, effectively avoiding series voltage imbalance and inconsistent attenuation common in high-string modules. It serves as a standardized, interchangeable core module for large-capacity liquid-cooled BESS clusters, greatly simplifying high-voltage system integration.

2. Ultra-Long Cycle & Low Capacity Attenuation

Equipped with high-purity long-cycle LFP cells, the 1P52S battery module realizes ultra-low capacity attenuation during long-term deep charge and discharge cycles. With a cycle life of over 6000 cycles, it maintains stable capacity retention under continuous full-load operation. Compared with ordinary battery modules, it features superior thermal stability and anti-aging performance, effectively reducing battery replacement frequency and cutting the whole lifecycle operation cost of large energy storage power stations.

3. Multi-Layer Comprehensive Safety Protection

The module integrates built-in precision acquisition and multi-level safety protection functions, covering cell voltage, temperature and real-time status monitoring. It provides full protection against overcharging, overdischarging, overcurrent, short circuit and overheating. Equipped with high-strength flame-retardant shell, insulated structural parts and anti-vibration fixed design, it effectively resists external impact and thermal risks. The overall safety design fully meets grid-grade energy storage safety requirements, adapting to long-term stable operation of outdoor containerized energy storage stations.

4. High Consistency & Excellent Thermal Matching

All cells of the 1P52S module are strictly screened and grouped with ultra-high consistency. The structural layout is optimized for liquid cooling system heat dissipation, ensuring uniform heat transfer and minimal temperature difference inside the module. It perfectly matches cluster-level liquid cooling thermal management solutions, avoiding local overheating and thermal imbalance, and greatly improving the overall operational stability and service life of high-voltage energy storage systems.

5. Standardized Modular & Flexible Expansion

With unified standardized dimensions and electrical parameters, the 1P52S module supports flexible series-parallel stacking and capacity expansion. It can be freely combined to form different power and capacity configurations of utility-grade BESS, adapting to various large-scale energy storage project demands from tens of megawatts to hundreds of megawatts. The pre-assembled modular design simplifies on-site installation and debugging, shortens project delivery cycles and reduces integration costs.

Application Scenarios

• Utility-Grade Container BESS: Core battery module for 1500V high-voltage liquid-cooled energy storage systems and large-scale containerized energy storage power stations.
• Grid-Side Centralized Energy Storage: Suitable for large grid peak shaving, frequency modulation and power regulation energy storage projects.
• New Energy Base Supporting Storage: Matching large photovoltaic and wind power bases to stabilize power output and improve renewable energy consumption.
• Large Industrial & Commercial Energy Storage: Supporting high-capacity distributed energy storage systems for industrial parks and large commercial zones.
• Custom High-Voltage Energy Storage Projects: Customizable series-parallel combination for special high-voltage and large-capacity energy storage scenarios.