Product Detail
Voltage Regulator Boost Converter from DC12V to DC19V/48V/75V 
Model: B1219/B1248/B1275
Retail($): $48.00
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Voltage Regulator Boost Converter from DC12V to DC19V/48V/75V

Model: B1219/B1248/B1275

DC/DC Voltage Regulator Boost Converter from DC12V(10~32V) to 19V(12-35V) / 48V(36-60V) / 75V(60~95V) Adjustable Step-Up / DIY Car Power Supply Charger

DC/DC Boost Converter DC 12V to  DC19V/48V/75V Adjustable Step-Up Voltage Regulator

DIY Car Power Supply Charger


1)Module Properties: non-isolated step-up module (BOOST)

2)Input voltage: DC12V(DC10~32V)

3)Input Current: 16A(MAX) (Please enhance heat dissipation if over 10A )

4)Output voltage:

19V(12-35V) / 48V(36-60V) / 75V(60~95V) (continuously adjustable)

5)Output Current: 10A / 5A / 2A (max)

6)Output power:

natural cooling 100W/82W/70W (max), enhance heat dissipation 150W/129W/100W (max)

7)Output Ripple: 2% (MAX) 20M Bandwidth

8)Operating temperature: Industrial grade (-40 °C to +85 °C) (ambient temperature exceeds 40 °c, please lower power use, or enhance heat dissipation)

9)Full load temperature rise: 45 °C

10)No-load current: Typical 25mA/25mA/35mA

11)Voltage regulation: ± 0.5%

12)Dynamic response speed: 5% 200uS

13)Short circuit protection: None (Please install fuse or protective circuit at the input port)

14)Input Reverse Polarity Protection: None ( please series diode at the input port )

15)Size: 65 (L) x 37 (W) x 23.5 (H) mm


1)DIY a output adjustable car power supply.

2)DIY a charger, for example, step up 12V power supply to charge a DC19V/48V/75V battery

3)Power for electric device

4)Solar battery charger for electric vehicles


1 x Voltage Regulator Boost Converter from DC12V to DC19V/48V/75V


1)When module work at high power, high temperature, please enhance heatsink/install fan.

2)please make sure that the heatsink temperature do not exceed 80 °C.

3)Input can not be reverse connection. output can not be short-circuit

4)12V battery output can not less than 10.5V

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