Huawei 48V 100Ah Lithium Battery

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ESM-48100A10 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. consists of electrochemical cells, a battery management system (BMS), power and signal terminals, and mechanical parts. It can be used as an independent 48 V unit, supports the mixed use of old and new batteries as well as lithium and lead-acid batteries, and can collaborate with third-party power systems.

  • Parallel connection for power expansion: The maximum power (P) of N ESMs connected in parallel can reach 24 kW.
  • Application in class B environments with direct ventilation: The ESM can be used in indoor environments where the ambient temperature and humidity are not controlled or outdoor environments (with simple shielding measures such as awnings) where the humidity can reach 100%.
  • Support for third-party power systems: The ESM implements lithium battery self-management so that it can be used with third-party power systems.
  • Mixed use: In a Huawei power system, lead-acid batteries can be directly connected in parallel.
  • Maintenance-free: This feature reduces battery O&M costs and the frequency of site visits.
  • Long service life: The service life of a lithium-ion battery is two or three times that of an ordinary lead-acid battery. The battery state of health (SOH) and state of charge (SOC) can be monitored online in real time, improving the reliability of site power backup.
  • Electromagnetic compatibility (EMC)
  • CE: EN 55032/CISPR32, Class A
  • RE: EN 55032/CISPR32, Class B
Tech Specs
Item Specifications
Nominal voltage 48 V DC
Equalized charge voltage 56.4 V DC
Float charge voltage 54.5 V DC
Maximum charge/discharge current 100 A/100 A at 35°C
Maximum charge/discharge power 4800 W
Operating ambient temperature Charging: 0°C to 45°C (–20°C to 0°C if the low-temperature pulse heating function is enabled)
Discharge: –20°C to +45°C
When the ambient temperature is –20°C or above, the maximum discharge rate is 0.5C.
Relative humidity 5%–95%
Atmospheric pressure 61–113 kPa
Installation mode Installed in a 19-inch rack
Maintenance mode Maintained from the front
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 IP20
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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