JATERSERN GBX155
JATERSERN Charger for NOCO Boost X Jump Starters
Model: GBX155 (Compatible with GBX45, GBX55, GBX75, GBX155)
Product Overview
This JATERSERN AC/DC adapter is designed as a replacement power cord for various NOCO Boost X Sport Battery Jump Starter models, including GBX45, GBX55, GBX75, and GBX155. It provides a reliable and efficient charging solution for your lithium jump starter.

Figure 1: The JATERSERN AC/DC adapter with its integrated Type-C charging cable.
Compatibility
The charger is specifically designed for the following NOCO Boost X Sport Battery Jump Starter models:
- NOCO Boost X GBX45
- NOCO Boost X GBX55
- NOCO Boost X GBX75
- NOCO Boost X GBX155
Ensure your jump starter model matches one of the listed compatible models for proper functionality.

Figure 2: Visual representation of the charger's compatibility with various NOCO Boost X jump starter models.
Setup and Connection
- Identify the Charging Port: Locate the USB Type-C charging port on your NOCO Boost X jump starter. This charger is designed exclusively for Type-C ports.
- Connect the Charger: Insert the Type-C connector of the JATERSERN charger firmly into the Type-C input port of your NOCO Boost X jump starter.
- Plug into Power Outlet: Insert the charger's US standard wall plug into a standard 100V-240V AC electrical outlet.
- Verify Connection: A green indicator light on the charger will illuminate when it is properly plugged into a power source, indicating it is ready for charging.

Figure 3: Illustrates connecting the charger's Type-C cable to the jump starter's input port and plugging the adapter into a wall outlet.
Operating Instructions
Once connected, the charger will automatically begin charging your NOCO Boost X jump starter. The charging process is indicated by the green light on the charger staying on when plugged in.
- Charging Indication: The green light on the charger signifies that it is receiving power and is actively charging the connected device.
- Charging Time: Charging time will vary depending on the battery level of your jump starter. Refer to your NOCO Boost X jump starter's manual for specific charging duration details.
- Optimal Use: For best results, charge your jump starter fully before initial use and after each significant discharge.

Figure 4: The charger in use, providing power to a NOCO Boost X GBX45 jump starter, demonstrating a typical charging scenario.

Figure 5: The charger's green indicator light confirms power connection, and its compact design allows for efficient use of wall outlets.
Maintenance and Care
Proper care ensures the longevity and optimal performance of your JATERSERN charger.
- Cleaning: Disconnect the charger from power before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or solvents.
- Storage: Store the charger in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Avoid sharp bends or kinks in the power cord. The PVC cable is designed for durability and flexibility, but excessive force can cause damage.
- Inspection: Periodically inspect the charger and cable for any signs of damage, such as frayed wires or cracked casing. Discontinue use if damage is observed.

Figure 6: Illustration highlighting the durable PVC outer layer and pure copper core of the charging cable, designed for extended lifespan and resistance to bending.
Troubleshooting
If you encounter issues with your charger, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger light not on / No charging | Not properly plugged in; Faulty outlet; Damaged charger/cable. | Ensure both ends are securely connected. Try a different wall outlet. Inspect charger and cable for damage; if damaged, discontinue use. |
| Slow charging | Jump starter battery deeply discharged; Environmental factors. | Allow more time for charging. Ensure charging in a suitable temperature range. |
| Charger feels warm | Normal operation during charging. | A slight warmth is normal. If it becomes excessively hot or emits smoke/odor, immediately unplug and contact support. |
This charger features multiple built-in protections to ensure safe operation:
- Over Voltage Protection: Prevents damage from excessive voltage input.
- Over Current Protection: Safeguards against excessive current flow.
- Over Temperature Protection: Protects against overheating.
- Over Charge Protection: Prevents battery overcharging.
- Short Circuit Protection: Automatically shuts off in case of a short circuit.

Figure 7: An overview of the charger's integrated safety features, including protection against over voltage, over current, over temperature, over charge, and short circuits.
Specifications
| Feature | Detail |
|---|---|
| Input Voltage | 100V-240V AC, 50/60Hz |
| Output | Max 5V Class 2 Power Supply |
| Power Cord Length | 5 ft (1.5 m) |
| Connector Type | USB Type-C |
| Certifications | FCC, CE Certified |
| Dimensions (Adapter) | Approx. 2.4 x 1.5 x 0.98 inches (6.1 x 3.8 x 2.5 cm) |
| Item Weight | 3.2 ounces (90.7 grams) |
| Special Feature | Lightweight Design, Space-saving |

Figure 8: Detailed dimensions of the compact charger, highlighting its portable and space-efficient design.
Warranty and Support
JATERSERN stands behind the quality of its products. This charger comes with:
- 365 Days Exchange: For product defects or malfunctions.
- 30 Days Refund: If you are not satisfied with your purchase.
For any questions regarding your order or the product, please contact our customer service. We are available 24 hours to assist you.
For further assistance, please refer to the contact information provided with your purchase or visit the official JATERSERN store on Amazon: JATERSERN Store.
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