Introduction
This instruction manual provides essential information for the safe and effective use of your YUSTDA Car Charger Adapter, specifically designed for the DEWALT DXAEJ14 1400 Peak Amp Jump Starter. Please read this manual thoroughly before use and retain it for future reference.

Image: YUSTDA brand logo with "CHARGE UP" and "Professional Safety Power Supply" text.
This image displays the YUSTDA brand logo, emphasizing its commitment to professional and safe power supply solutions.
Product Features
- High Quality Construction: Manufactured with premium materials for durability and reliable performance.
- Wide Input Voltage: Supports DC input from 12V to 24V, suitable for various vehicle power outlets.
- Advanced Safety Protections: Incorporates dynamic IC, charger IC, and power fuse for rapid charging and protection against overcharge, over-temperature, over-voltage, over-current, and short circuits.
- Compact and Durable Design: Engineered for portability and long-term use.

Image: Cross-section view of the power cable, highlighting high-quality copper wire and PVC insulation jacket.
This image illustrates the internal construction of the power cable, showing the high-quality copper wire and the protective PVC insulation jacket, contributing to the product's durability and safety.

Image: YUSTDA adapter with icons representing Over-Temperature, Over Voltage, Over Current, and Short Circuit Protection.
This image highlights the multiple safety features integrated into the adapter, including protection against over-temperature, over-voltage, over-current, and short circuits, ensuring safe operation.

Image: YUSTDA car charger adapter illustrating its durable and compact design.
This image showcases the charger's robust construction and small form factor, making it suitable for home, office, and travel use.
Setup
- Verify Compatibility: Ensure your DEWALT jump starter model is DXAEJ14 or a compatible model requiring a 12-24V DC input car charger.
- Locate Vehicle Power Outlet: Identify the 12V DC cigarette lighter socket or auxiliary power outlet in your vehicle.
- Connect Charger to Jump Starter: Plug the output connector of the YUSTDA Car Charger Adapter into the DC input port of your DEWALT DXAEJ14 jump starter.
- Connect Charger to Vehicle: Insert the car charger adapter's plug firmly into your vehicle's 12V DC power outlet.
- Confirm Charging: Check the indicator lights on your DEWALT jump starter to confirm that it is receiving a charge. Refer to your jump starter's manual for specific charging indicators.
Operating Instructions
The YUSTDA Car Charger Adapter is designed for continuous charging or maintaining the charge of your DEWALT DXAEJ14 jump starter while in your vehicle.
- Once connected as described in the "Setup" section, the charger will automatically begin to supply power to the jump starter.
- The charger is equipped with protection features to prevent overcharging. You can leave it connected for extended periods to keep your jump starter ready for use.
- Always ensure the connections are secure to maintain a consistent charge.
Important Safety Information:
- Do not expose the charger to rain or moisture.
- Do not operate the charger if it has been damaged in any way.
- Keep out of reach of children.
- Use only with compatible devices as specified.
Maintenance
- Cleaning: Disconnect the charger from both the vehicle and the jump starter before cleaning. Use a dry, soft cloth to wipe the exterior of the adapter. Do not use liquid cleaners or solvents.
- Storage: When not in use, store the charger in a cool, dry place, away from direct sunlight and extreme temperatures.
- Inspection: Periodically inspect the cable and connectors for any signs of wear, cuts, or damage. If damage is found, discontinue use immediately and replace the adapter.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Jump starter not charging. |
|
|
| Charger feels hot during use. | Normal operation or excessive load. | A slight warmth is normal. If it becomes excessively hot or emits smoke/smell, disconnect immediately and cease use. |
| Charger indicator light not on (if applicable). | No power input or faulty unit. | Check vehicle power outlet and connections. If still no light, the charger may be faulty. |
Specifications
- Model: C180405016
- Brand: YUSTDA
- Input Voltage: DC 12-24V
- Output Amperage: 3.25 Amps
- Color: Black
- Special Feature: Short Circuit Protection
- Included Components: 1 x Car Charger Adapter
- Item Weight: 1.76 ounces (approximately 50 grams)
- Package Dimensions: 3.98 x 3.35 x 1.26 inches
Warranty and Support
YUSTDA products are manufactured with high-quality standards. For any questions or problems regarding your YUSTDA Car Charger Adapter, please contact our customer service.
Email: epcustomerservice@yahoo.com
Please provide your product name and model information when contacting support to ensure efficient assistance.