Shenzhen Kuncan Electronics Co., Ltd.
                                                                                                           
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18 Years
Since 2008
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5V to 12V USB OBD Voltage Booster Cable with Short Circuit Protection

Price Negotiable
Price: $0.89/pieces 500-999 pieces
MOQ: 500 pieces
Delivery Time: 16Days
Brand: KUNCAN
Product Description
USB to OBD Voltage Booster Cable 5V to 12V Step Up Converter for Vehicle Charging Systems with Short Circuit Protection (Input 5V Output 12V)
Product Specifications
Product Type 5V To 9V 12V Dc Converter
Plug/Connector micro usb, mini usb, dc plug
Cable 2464 28AWG-18AWG
Input Voltage 5v 9v 12v
Output Voltage 5v 9v 12v 24v
Compatible Devices GPS /Car/ DVR/ Wifi Modem
Available Colors blue, white, black, customized
Cable Length Options 1m, 3m, 5m, 10m, customized
Certifications CE ROHS
Customization Support Yes
Product Description
Portable Step Up Transformer 5V to 12V DC-DC Boost Converter Cable With DC5.5*2.1mm
Technical Parameters
Input Voltage 5V DC (±0.25V)
Output Voltage 12V DC (±0.5V)
Max Output Current 2A
Conversion Efficiency ≥92%
Operating Temperature -20°C to +60°C
Cable Length 1.5m
Connector Type USB-A Male to OBD-II Female
Insulation Resistance ≥100MΩ
Wire Gauge 22AWG
Voltage Ripple ≤100mV
Key Features
  • Voltage Step-Up Technology: Converts 5V USB input to stable 12V DC output (±5% precision)
  • OBD-II Compatibility: Standard 16-pin OBD-II male connector (SAE J1962)
  • Wide Input Range: Works with USB-A power sources supporting 5V/2A input
  • Advanced Protection: Built-in OVP/OCP/SCP, reverse polarity protection, and thermal shutdown
  • Compact Design: Lightweight (60g) with 50cm cable for in-car or field use
Physical Specifications
  • Outer Jacket: Black (Flexible PVC)
  • Connector Material: ABS+PC
  • Diameter: 4.8mm
  • Total Weight: 85g
Additional Features
  • Precision Voltage Boosting Technology
  • Built-in Overload/Short-circuit Protection
  • Wide Compatibility with 12V Systems
  • Reinforced Stress Relief Connectors
  • Low Electromagnetic Interference Design
Compatible Devices
  • OBD-II interface equipment
  • Automotive diagnostic tools
  • Dash cams (non-fast-charge models)
  • Portable air compressors
  • GPS tracking devices
Applications
  • Diagnostic Tools: Power OBD-II scanners, code readers, or ECU programmers via USB power banks
  • Vehicle Trackers: Backup power for GPS trackers, telematics, or fleet management systems
  • Dash Cams & Accessories: Emergency power for dash cams, interior lights, or 12V sensors
  • DIY Automotive: Prototype testing for custom car electronics or data logging devices
Safety Information
  • Not for use with fast-charge protocols
  • Avoid prolonged exposure to moisture
  • Confirm device voltage requirements before use
  • Certified to international electrical safety standards
  • RoHS compliant (contains no hazardous substances)
Why Choose This Adapter?
  • Automotive-Grade Safety: Short-circuit and surge protection for sensitive vehicle electronics
  • Plug-and-Play: No complex wiring or drivers required
  • Versatile Use: Compatible with OBD-II devices requiring 12V auxiliary power
  • Portable Solution: Ideal for roadside emergencies or off-grid diagnostics
Certifications & Standards
  • Safety: CE, FCC Part 15B, ISO 7637-2 (vehicle EMC)
  • Environmental: RoHS, REACH
Warranty & Notes

12-month warranty (excludes misuse or physical damage).

  • Confirm device compatibility before use (power only, no OBD-II data communication)
  • Max continuous load: 3A (36W). For intermittent use with motors/compressors
Critical Safety Warnings
  • Avoid ignition ON/OFF surges - disconnect during vehicle startup/shutdown
  • Do not use with non-OBD-II devices or modify the connector
  • Keep away from high heat (e.g., engine blocks) to prevent cable damage
Optional Configurations
  • Extended 2M Cable: Heavy-duty shielded cable for workshop setups (+$10)
  • OBD-II Splitter: Add a pass-through port for simultaneous data & power (+$15)
  • USB-C Input Version: Replace USB-A with USB-C male connector (+$5)

Compatible with 5V USB-A power sources. Not for ECU flashing, EV systems, or loads exceeding 36W.

Product Images
USB to OBD Voltage Booster Cable close-up view OBD connector detail of voltage booster cable Side view of USB to OBD converter cable USB to OBD voltage booster cable in use

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Kuncan Electronics Co., Ltd.
Location Building 1, Tower B, Huaqiang Creative Industrial Park, Biyan Community, Guangming District, Shenzhen City
Contact Person Liz

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