BMS 2.4kWh 1kHz 48V 50Ah 3U Ups Backup Battery TB4850F-T110

48V 50Ah 3U Telecom Batteries, back up lithium ion battery

1. Specifications:

2. Electrical Characteristics & Test Condition
Testing Conditions: Ambient Temperature: 25±5℃; Humidity:45%~75%.
Normal charge:Charge battery under CC(0.33C)/CV(54.8V) mode until over charge protection or the charge current reduce to 0.02C, and then rest for 1h.

3. Operation instruction

• Charge and discharge voltage: shall not exceed the maximum limit voltage specified in the specification
• Charging and discharging temperature: the charging temperature of the battery must be in accordance with the temperature range specified in the specification
• Charging sequence: charging by constant current before constant voltage. There is a danger if the battery is charged upside down.

Special note:

A short time of overcharging and over-discharging will not affect the use of the battery, but a long time of over-discharging or overcharging will affect the functional failure of the battery, or the battery is permanently unable to use, serious safety risks, need for a long time floating charge, please use the specification recommended floating charging mode. When the battery is not used for a long time, the self-discharge characteristics of the battery will also lead to over-discharge. In order to prevent the occurrence of over-discharge, the battery should maintain a certain amount of electricity and maintain its voltage at 50% SOC state.

Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007.

After years of rapid development, now Topband takes lithium battery as the core technology and has become one of the  leading suppliers of lithium battery solutions in China, focusing on nano lithium iron phosphate/ LiFePO4 technology for  EV, RV/ caravan, marine, motorcycle, golf cart / trolly, UPS, solar storage, medical, floor scrubber, industrial, commercial use, etc.

Topband has more than 5000 staffs, covers an area of 100,000 square meters. And large production plants are mainly located at Shenzhen and Huizhou

Our R&D team of over 300 professionals, in cooperation with Tsinghua Research Institute and Harbin Industrial University have laid a firm foundation of our leading technology.

We have got the certificates of  ISO9001, ISO14001, OHSAS18001, TS16949 and UL, CE, CB, UN38.3, TUV, etc.

Topband is a Hi-tech enterprise. Since the company established, with innovation, we have committed ourselves to making people’s lives more comfortable and high-efficient. We and our companions are working hard at making technology progress to let people enjoy the changes of new technology.