40KW LiFePO4 UPS Battery 51.2V 100Ah Energy Storage System with UL/CE Certification and 95% Efficiency

Price Negotiable

Price: USD/CNY, Unit

MOQ: 10

Delivery Time: 1-2 months

Brand: Qiyuan

Product Description

40KW LiFePO4 UPS Battery System

Advanced 51.2V 100Ah lithium iron phosphate energy storage solution with comprehensive safety features and intelligent monitoring capabilities.

Key Features & Advantages

High-performance lithium iron phosphate chemistry with superior safety characteristics
UL CertifiedCE Certified
Modular design for space optimization and easy installation
Integrated voltage, current, and temperature monitoring system
High-current charging capability with advanced battery management
Real-time information display via integrated screen interface
Direct ring and CAN communication connectivity
Built-in automatic fire extinguishing equipment
Blind charge/discharge and self-protection functions
Automatic city grid start functionality
Neutral line connection support for conventional installations
Custom parallel configuration with lead acid battery systems

Technical Specifications

Parameter	Value	Conditions
Rated Capacity	100Ah	25℃±3℃, 0.2C constant current discharging, 40.5V cut off
Rated Voltage	48V
Standard Charge Current	20A (0.2C)	0.2C CC charge to 54.0V, then CV charge, cut off when charging current ≤0.05C
Max Continuous Charge Current	50A (0.5C)	Do not exceed 0.5C
Max Charge Current	100A (1C)	Requirement: 1 cycle/day
Charge Cut Off Voltage	54.0V	Equalized Charge Voltage: 53.5V, Floating Charge Voltage: 51.0V
Standard Discharge Current	20A (0.2C)	0.2C CC discharge, cut off @40.5V
Max Continuous Discharge Current	50A (0.5C)	Continuous 50A discharge
Max Discharge Current	100A (1C)	Requirement: 1 cycle/day
Discharge Cut Off Voltage	40.5V	2.7V/Cell, 40.5V / Pack
Max Pulse Discharge Current	130A	25℃±3℃, ≤1s
Working Temperature (charge)	0℃~55℃	0℃-10℃: continuous 20A(max) charge, 10℃-45℃: continuous 50A(max) charge, 45℃-55℃: continuous 20A(max) charge
Working Temperature (discharge)	-20℃~55℃	Battery can work at specified temperature range with capacity loss in tolerance
Storage Temperature (short term)	-20℃～45℃	Within 1 month
Storage Temperature (long term)	0℃～35℃	Within 1 year
Battery Weight	45Kg
Battery Impedance	≤30mΩ	DC Internal Resistance
Charge/Discharge Efficiency	≥95%	Charge/discharge efficiency in Wh (round trip efficiency) at 0.2C charge and discharge current, 25℃

System Integration

This 40KW LiFePO4 battery system is designed for seamless integration with UPS applications, providing reliable backup power with advanced safety monitoring and flexible configuration options for various industrial and commercial environments.