4U 48V75Ah NCM ESS Battery With UN38.3 ,UL For Telecom Power Supply
Specification :
| Model | Rated Voltage | Rated Capacity | Size mm | Weight kg | Mark |
| ES-4875 | 48V | 75Ah | 482*400*177.6 | | 4U |
| Paralle/Series | Single Cell 3.6V15Ah,by 13S5P |
| Working Temperature | -20℃～60℃ |
| Store Temperature | -10℃～65℃ |
| Humidity | ≤90％(40℃±2℃) |
| Altitude | 0～5000 m |
Charging Parameter
parameters | ES-4875 |
| charge voltage | 54.6V |
| charge current | 10A |
| cell over voltage alarm | 4.10V |
| cell over voltage protection | 4.25V |
| total voltage over voltage alarm | 53.3V |
| total voltage over voltage protection | 54.6V |
Discharging Parameter
parameters | ES-4875 |
| Max discharge current | 75A |
| Discharge over current protection | 80A |
| Over-current detect delay time | 1.0±0.5S |
| Cell over discharge alarm | 3.2V |
| Cell under voltage protection | 2.80V |
| Cell under voltage alarm | 43.0V |
| Total voltage under voltage alarm | 39V |
Product Feature:
1. With high energy density, discharge voltage is stabilize, can
lengthen the cycle life.
2. Integrated system: 13pcs battery models in series + BMS system+
standard Chassis
3.Rack installation dimension ,strictly refer to EIA,ETSI standard
,to meet with the way of the wall-mounted installation.
4.Module design, Multiple modules can be connected in parallel to
increase the output power and capacity
5.Take the intelligent interrupt method function of charge and
discharge ,can save the station electric costing
6.With full protection function (Overvoltage, Undervoltage, Short
circuit ,Overload ,Overcurrent, Over-temperature, lower temperature
,Balance ,Sleeping)
7.Intelligent design, with Telemetering ,Telecommand
,Telecontrol,Teleadjusting function
8.With RS232 Upper interface and RS485 Cascade interface, according
to the front-end smart device communication protocol to perform
remote control and PC or control center communications.
9Can directly connect the original Lead-acid battery switch power
system, just adjust the charge and discharge voltage and other
parameters.
2. Communication interface functions
RS232 communication
BMS can communicate with Level Control System by RS232. The upper
computer can monitor cell voltage, current, temperature, status,
SOC, SOH, etc. Below is installation method. Baud rate is 9600bps
by default
It has double RS485 interface, suitable for multi PC communication
when battery pack in parallels, reading related information, also
can read account battery info via PC. Baud rate is 9600bps by
default.
Application :
Indoor Distributor System , Integrated station system ,
Connectsite,Microcell station, FTTX equipment
,WLAN equipment ,RRU, distributed power supply and other telecom
industry ,also can apply in Access
equipment , remote exchange multiplex, mobile communication
equipment ,transfer equipment ,movement
emergence communication bus ,traffic and fire protection emergence
communication system , satellite
earth station, Microwave communication equipment etc .
