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DFBM48100-3U 48V 100Ah LiFePo4 Lithium-ion Battery Pack

DFBM48100 is designed for various 48V application. It's composed of prismatic LFP cells, an intelligent battery management system (BMS), and a bidirectional DC converter (BDC). The unit features different charging voltage adaptability, fast charging, and long service life. It can be directly connected to lead-acid battery strings in parallel to reuse batteries.
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  • DFBM48100-3U

  • DFUN



Feature



- Mixed use of lithium and lead-acid batteries

- Parallel connection of new and old lithium batteries

- Max. 32 packs of batteries in parallel

- Support for consistent-voltage long-distance power supply

- Integrated with high-efficiency BDC, smart peak shaving,

peak staggering, voltage boosting, and hybrid use

- High-reliability design: integrated BMS design, long service life

- High-density design: 100 Ah with 3 U size

- Maintenance-free, modular design and lightweight

- Bluetooth & APP, real-time monitoring of battery status


Technical Specification


Performance Parameter

Model

DFBM48100-3U

Nominal voltage

48V

Rated capacity

100Ah (C3 ,0.2C to 40V at 25℃)

Working   voltage range

40 ~ 60V

Balanced   / floating   charging voltage

54.5V / 52.5V

Discharge voltage

43.2 ~ 57.0V

Constant   pressure discharge

44.0 ~ 57.0V, default: 53.0V

Maximum   discharge power

4800W

Limit charging current

10A (Adjustable)

Charging   current (max)

100A

Discharging   current (maximum)

100A

Discharge   cut-off voltage

40V

Weight

40 ± 2kg

Size (W*D*H)

442mm*410mm*133mm(±2mm)

Functional description

Installation   method

Recessed / Wall mount

Communication interface

RS485*2 / Dry contact*2

Indication   status

ALM / RUN / SOC

Parallel   communication

Max. 32 groups

Parallel load power

Max. power ≤ 24kW

Terminal screw

M6

Working  conditions

Heat   dissipation method

Self-cooling heat dissipation

Altitude

≤ 4000m

Humidity

5% ~ 95%

Storage temperature

-40℃~ 70℃


Working   temperature

Charge

-5℃~ 45℃

Discharge

-20℃~ 50℃


Recommended  working temperature

Charge

15℃~ 35℃

Discharge

15℃~ 35℃

Storage

20℃~ 35℃


Constant current discharge data sheet

Current/A

0.1C

0.2C

0.3C

0.4C

0.5C

0.6C

0.7C

0.8C

0.9C

1C

46.5V

9.55

4.7

3.04

2.2

1.67

1.33

1.06

0.87

0.69

0.54

45.0V

9.89

4.87

3.19

2.34

1.82

1.49

1.24

1.03

0.87

0.72

43.5V

10.12

4.97

3.27

2.42

1.9

1.55

1.3

1.13

0.99

0.87

42.0V

10.3

5.1

3.34

2.47

1.95

1.62

1.36

1.18

1.03

0.92

40.0V

10.5

5.2

3.41

2.54

2

1.65

1.4

1.22

1.07

0.95

Constant power discharge data sheet


Power/W

480

960

1440

1920

2400

2880

3360

3840

4320

4800

46.5V

9.54

4.69

3.02

2.18

1.65

1.32

1.05

0.86

0.68

0.53

45.0V

9.88

4.85

3.17

2.32

1.8

1.47

1.22

1.01

0.85

0.7

43.5V

10.1

4.95

3.24

2.41

1.89

1.53

1.28

1.11

0.98

0.86

42.0V

10.28

5.1

3.33

2.43

1.92

1.58

1.31

1.15

1.01

0.9

40.0V

10.35

5.15

3.37

2.44

1.95

1.6

1.35

1.18

1.04

0.92


Discharge power curve


DFBM48100-3U Stand by time at different load power


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