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Specifications are subject to change without notice. Hanertek Electrical Co., Ltd
Other Specifications
-40 ~ 85
Operating Temp.
Storage Temp.
IP Level
Altitude
IP20
Input fuse protection
Relative Humidity
Output Protection
707VDC-input and earth
Paralleling
Fan Speed
Isolation
Acoustic Noise
-20 ~ 75
4000m (Derating 2000m)
Under/Overvoltage shutdown, short
circuit protection, output fuse
500000 hours (T_ambient: 25 )
2.0Kg
Temperature and output current
Dimensions
Input Protection
Weight
regulated
full load (T_ambient: < 30 )
Diagrams
4242VDC-input and output
Applicable Standards
Safety
EMC
Fig 2: output power vs. ambient temp.
T( )
Po(W)
55 75
2400
0 -20
Vin(V)
Po(W)
0 42 58
2400
INVERTER MODULE
87
88
0
2
3
4
5
0 20 40 0 80 00
Fig 3: efficiency vs. load (at 53.5V input)
LOAD ( )
protection,5KA lightning protection
2000
Under/Overvoltage shutdown
45
45V<Vin<50V
Other input
44
HPB48-48-5800
Rev 1.1, 2026.02.04
Specifications are subject to change without notice.
Introduction
HPB48-48-5800 is a non-isolated DC/DC converter
which has battery charging and discharging management function. It can automatically adapt to different
charging voltages, with fast charging and long service
life. Module can achieve the common use of batteries of
different types, capacities, and manufacturers, adapting
to the construction and maintenance needs of communication base stations.
Charging Mode
Voltage range 43.2-58VDC
DC/DC CONVERTER
Battery (Output)
5760W
Voltage range
Power
Max. Current
Ripple < 200mV peak to peak
Startup Time
Efficiency
43.2-57.6VDC
100A
< 0.5%
3-8s
98%
Static Voltage
Regulation
Input Current
<105A at 57.6VDC input
<115A at 53VDC input
Features
High efficiency and high power density
98% efficiency and 80.6W/in3
power density.
Digital control
Digital control, realize excellent monitoring and
regulation.
High reliability design
One fan front-to-back air flow with latest thermal
solution and experienced design.
Excellent EMC performance
Lower interference and excellent susceptibility give
module better compatibility.
Global approvals
Meet CE,UL and TUV standard.
Bus Bar (Input)
Rated voltage 53.5VDC
Rated voltage 48VDC
Hanertek Electrical Co., Ltd
Rev 1.1, 2026.02.04
Specifications are subject to change without notice.
Other Specifications
-40 ~ 85
Operating Temp.
Storage Temp.
IP Level
Altitude
IP20
5kA lightning protection
Relative Humidity
Output Protection
Cooling
Fan Speed
Isolation
Acoustic Noise
-40 ~ 75
< 95% (non-condensing)
4000m
Overvoltage shutdown, short circuit
protection, output fuse protection.
One fan (front-to-back airflow)
> 500000 hours (T_ambient: 25 )
107Wx40.8Hx270D(mm)
1.8Kg
Temperature and output current
Dimensions
Input Protection
MTBF
Weight
regulated
(T_ambient: < 30 )
707VDC-input and output to earth
Telcordia SR-332 Issue 1
Applicable Standards
Safety
EMC
Environment
DC/DC CONVERTER
Discharging Mode
Voltage range 43.2-57.6VDC
Bus Bar (Output)
5830W
Voltage range
Power
Max. Current
43.2-58VDC
110A at 53VDC
< 0.5% Static Voltage
Regulation
Input Current
<105A at 58VDC input
<115A at 53VDC input
Battery (Input)
Rated voltage 48VDC
Rated voltage 53.5VDC
Ripple < 200mV peak to peak
Startup Time
Efficiency
< 0.5%
98%
Temperature
Coefficient
3-8s
Dynamic Voltage < 5% for 10%-90% load,
Regulation regulation time
Psophometric < 2mV
Load Regulation
Line Regulation < 0.1%
< 0.02 /
Hanertek Electrical Co., Ltd
ETSI EN 300 019-2 (-1.-2,-3)
ETSI EN 300 132-2
IEC62368-1,UL62368-1,EN62368-1
Rev 1.1, 2026.02.04
Specifications are subject to change without notice.
Diagrams(Discharging Mode)
Fig 5: output power vs. battery voltage
Fig 7: bus bar voltage vs. current
Vin (VDC)
Po(W)
0 40
5800
48
Io(A)
Vo(V)
110
58
0
40
100
53
4200
Fig 8: efficiency vs. load (48V input, 57V output)
58
DC/DC CONVERTER
Diagrams(Charging Mode)
Fig 1: output power vs. bus bar voltage
Fig 2: output power vs. ambient temp
Fig 3: battery voltage vs. current
T( )
Po(W)
55 75
1600
5760
0
-40
Vin(VDC)
Po(W)
0 40 53
5760
Io(A)
Vo(V)
100 0
40
57.6
4200
Fig 4: efficiency vs. load (57V input, 48V output)
58
-20
Fig 6: output power vs. ambient temp
T( )
Po(W)
55 75
1600
5800
0
-40 -20
96.0
96.5
97.0
97.5
98.0
98.5
99.0
0 10 20 30 40 50 60 70 80 90 100
Load(%)
96.0
96.5
97.0
97.5
98.0
98.5
99.0
0 10 20 30 40 50 60 70 80 90 100
Load(%)
Hanertek Electrical Co., Ltd
Supplier Selection
Phase 1
“Three phases, nine steps. ”Triple-valida
tion protocols, multi-tiered gatekeeping to
secure optimal suppliers.
Process Control
Phase 2
Integrated Management
Phase 3
QMS Certification Process Verification
and testing processes.
Product Verification
products.
