DBU20B-N12A4 lithium battery for distributed power system

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PN: 01075936-001 Category:


Lithium battery

Combine with power supply unit as a distributed power system

Supports remote monitoring

Supports online expansion to increase backup time

Integrates a battery management system (BMS), power distribution, and surge protection


The PSU & DBU20B-N12A4 distributed power system is an indoor or outdoor wall-mounted power solution that is highly efficient, compact, lightweight, easy to install and does not require parameter configuration or maintenance. The DBU20B-N12A4 provides backup power for communications equipment when the PSU has no grid power input, thereby ensuring reliable power supply for loads.

Tech Specs
Technical Specifications
Dimensions (H x W x D) 420 mm x 120 mm x 300 mm
Weight ≤ 20 kg (including connectors and conversion brackets)
Capacity 960 Wh
Operating voltage range 47–57 V DC
Default equalized charge voltage 56.4 V DC
Maximum backup power 2200 W
Charge current Default: 4 A, maximum: 10 A
Discharge current 47 A (maximum)
Safety design Complies with IEC 60950-1, IEC 62368-1, and IEC/EN 60950-22.
IP rating IP65
Mean time between failures (MTBF) 500,000 hours (ambient temperature 25°C, excluding electrochemical cells)
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