ESM-48100U1 Pro

Huawei 48V 100Ah BoostLi Energy Storage Module

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Description

Huawei ESM-48100U1 Pro is an energy storage unit composed of lithium-ion batteries. It features better charge and discharge performance, longer service life, and less self-discharge loss than ordinary batteries. It consists of electrochemical cells, an energy storage management unit (ESMU), power and signal terminals, and mechanical parts. It can be used as an independent 48 V unit, supports the mix use of old and new batteries, and can collaborate with third-party power systems.

  • Status monitoring: monitors the electrochemical cell voltage and temperature as well as the ESM voltage and current.
  • Alarm management: generates alarms when overvoltage, undervoltage, overcurrent, overtemperature, or undertemperature occurs.
  • Protection against exceptions: protects against overvoltage, undervoltage, overcurrent, short circuits, overtemperature, undertemperature, electrochemical cell faults, and hardware faults.
  • Information reporting: provides a northbound CAN/RS485 port through which alarms and status data are reported.
  • Parallel connection: Multiple ESMs can be connected in parallel. CAN communication supports parallel connection of up to 32 ESMs, and RS485 communication supports parallel connection of up to 16 ESMs.
  • Balance: supports real-time electrochemical cell balancing.
  • E-label: identifies the ESM using an electronic label.
  • Antitheft: provides the mechanical and software-based antitheft function when used with specified Huawei power systems.
  • Forcible disconnection: Users can disconnect the external power supply to the PWR port and hold down the MANUAL ON/OFF button for 5s to power off the ESM forcibly.
  • Maintenance mode: used for ESM replacement. Users can hold down the MANUAL ON/OFF button for 15s to enter the maintenance mode so that the ESM can be replaced safely and reliably.
  • Activation: The ESM can be activated through the PWR port, power port, and the MANUAL ON/OFF button.
Tech Specs
Item Specifications
Nominal voltage 48V DC
Equalized charging voltage 53.5V DC
Float charging voltage 51V DC
Max. charging / discharging current limited 100A/100A@35℃
Max. charging / discharging power 4800W
Operating ambient temperature Charging:0℃~45℃;Discharging:-20℃~45℃
Relarive Humidity 5%~95%
Atmospheric 61kPa~113kPa
Installation mode Installed in a 19-inch rack
Maintenance mode Maintained from the front
Relative humidity 5%–95%
Altitude 0–4000 m (When the altitude ranges from 2000 m to 4000 m, the highest operating temperature decreases by 1°C for each additional 200 m.)
Ripple and noise ≤ 200 mV
IP rating IP40
Dimensions (W x D x H) 442 mm x 396 mm x 130 mm (excluding mounting ears)
482 mm x 396 mm x 130 mm (including mounting ears)
Weight ≤ 46 kg
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