Network Energy Solutions


All in One Telecom Series

All-in-One Telecom Series CF4820Y


Rated Capacity : 20Ah

Our cutting-edge battery management system (BMS) incorporates advanced intelligence, ensuring comprehensive protection against overcharging, overdischarging, overcurrent, and temperature fluctuations. It also includes alarm functions and safeguards to guarantee the utmost safety.

Additionally, our batteries feature a historical data storage function for efficient monitoring and analysis. Our product excels in providing communication backup power supply, catering to specific occasions and high-rate discharge requirements.

It finds extensive application in critical locations such as data centers and communication centers due to its exceptional performance and reliability.


Optimize for Efficiency: Save Space and Time

Space-saving installations with hanging poles/walls/towers. Achieve rapid deployment and save 80% on installation time.

No Need Space

Various installations of hanging poles, walls, towers Saving space.

Rapid Deployment

Efficient 1-hour installation, resulting in an impressive 80% reduction in overall installation time.

All-in-One Telecom Series CF4820Y
All-in-One Telecom Series CF4820Y

Integrated Solutions

P65-rated integration which is not only Weatherproof but also maintenance-free. With Wide temperature range, seamless adaptability.

Higher Security

P65 dustproof and waterproof integrated outdoor anti-thunder protection

Widely Temperature Range

The operating temperature ranges from -40°C to +55°C, encompassing extreme conditions.

Maintenance Free

Fanless design, natural heat dissipation Outdoor environment adaptation, no daily maintenance during the life cycle

Module Specification and Parameters

Connection method
Rated Energy
Rated Capacity
Rated Voltage
Voltage Range
Charging Current
Discharging Current
Charging Temperaure
0 - 50°C
0 - 50°C
Discharging Temperaure
-20 - 55°C
-20 - 55°C
Storage Temperaure
-30 - 45°C
-30 - 45°C
Self-discharging Rate
≤3% (0-30°C/3months)
≤3% (0-30°C/3months)
400×120×290mm (W*D*H)
400×120×290mm (W*D*H)
Life Span
3000 times @80%DOD, (0.5C/0.5C)
3000 times @80%DOD, (0.5C/0.5C)
Battery Management System

BMS Introduction

Communication Interface

RS485 / RS232 / CAN

Signal Acquisition Function

It has acquisitions of single voltage and external busbar voltage, battery module total voltage,charging/discharging current,surface temperature of battery cell, BMS board temperature for each series.

Battery Cell Equalization Function

The battery has a passive equalization function. When the cell voltage difference exceeds a certain value during charging, the equalization function will be started.

Charging Current Limit Function

It has the ability to automatically enter current-limiting charging when the battery is detected with low voltage, high voltage, low temperature, high temperature, poor consistency, or charging overcurrent protection.

Voltage Acquisition Accuracy

0-5V,Detection accuracy ≤ 10mV;
0-60V Detection accuracy ≤ 0.5%

Current Acquisition Accuracy

Detection accuracy ≤ 1%  (0.5C Charging / Discharging)

Anti-theft Function

Software anti-theft, communication anti-theft, gyroscope anti-theft and other functions

System Device Failure Alarm

It has failure detection and alarm function for key components of BMS board. While it is detected with temperature sensor failure, voltage detection failures, charge and discharge MOS failure, an alarm will be generated and the charge and discharge loops will be disconnected (if the charge and discharge loop is damaged, it is not required to disconnect), the battery cannot recover automatically, and all the indicators flash to prompt.

Histroical Storage Function

500 historical records, 10000 historical records and life-cycle storage are optional; Independent storage space; BMS has power failure preservation capability; Historical data records include battery voltage, current, ambient temperature, SOC, SOH, cycle times, cumulative discharge capacity and other data.

Racks - Cos New Energy

Stay Charged with Exclusive Updates:
Get Insider Access!

Stay up to date with the latest breakthroughs, industry insights, and special offers. Be among the first to know about cutting-edge advancements and maximize your battery performance. Join our community of battery enthusiasts today and stay empowered with our exclusive updates!

Contact Us

Copyright © 2024 Cos New Energy. All rights reserved.