51.2V 100Ah LiFePO4 UPS Battery Pack with UL/CE Certification and 95% Efficiency

Price Negotiable

Price: USD/CNY, Unit

MOQ: 10

Delivery Time: 1-2 months

Brand: Qiyuan

Product Description

Industrial-Grade LiFePO4 UPS Battery System

51.2V 100Ah lithium iron phosphate power pack with advanced battery management and safety features for reliable backup power applications.

Key Features & Advantages

UL & CE Certified lithium iron phosphate chemistry for superior safety performance
Modular design with optimized footprint and lightweight construction
Comprehensive battery management system with voltage, current, and temperature monitoring
High-current charging capability with sleep and wake functions
Real-time battery information display via integrated screen
Direct ring and CAN communication connectivity
Built-in automatic fire extinguishing equipment for enhanced safety
Blind charge/discharge protection and city grid auto-start functionality
Supports neutral line connection and conventional installation methods
Customizable for parallel use 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	Approximately 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℃

Performance & Safety

This 51.2V 100Ah LiFePO4 battery system delivers exceptional performance with ≥95% round-trip efficiency and comprehensive safety features including UL/CE certification and integrated fire suppression. The modular design and wide operating temperature range (-20℃ to 55℃) ensure reliable performance across diverse industrial environments.