51.2V 100Ah LiFePO4 Deep Cycle Battery Pack for Tower UPS Systems with 95% Efficiency

Price Negotiable

Price: USD/CNY, Unit

MOQ: 10

Delivery Time: 1-2 months

Brand: Qiyuan

Product Description

Product Overview

This 51.2V 100Ah lithium iron phosphate (LiFePO4) deep cycle battery pack delivers reliable energy storage for tower UPS systems, featuring advanced safety certifications and comprehensive monitoring capabilities.

Key Features & Benefits

UL and CE certified lithium iron phosphate cells for maximum safety performance
Modular lightweight design with optimized footprint for space efficiency
Integrated voltage, current, and temperature monitoring system
Supports high current charging up to 100A with 95% charge/discharge efficiency
LCD screen for real-time battery information display
CAN communication and direct ring connection compatibility
Built-in automatic fire extinguishing equipment
Blind charge/discharge and self-protection functions
Grid automatic start functionality
Supports neutral line connection and conventional installation
Customizable for parallel use with lead acid batteries

Technical Specifications

Parameter	Value	Conditions
Rated Capacity	100Ah	25℃±3℃, 0.2C constant current discharging
Rated Voltage	48V
Standard Charge Current	20A	0.2C CC charge to 54.0V, then CV charge, cut off when charging current ≤0.05C
Max Continuous Charge Current	50A	Do not exceed 0.5C
Max Charge Current	100A	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 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℃