Introduction
The katoroe 5000A Jump Starter with Air Compressor is a versatile, portable device designed for emergency vehicle jump-starting, tire inflation, and as a power bank. It supports engines up to 9.0L gas and 7.0L diesel, and features a 150PSI tire inflator, LED light with multiple modes, and multiple charging ports for electronic devices. This manual provides detailed instructions for safe and effective use of your device.

Image: The katoroe 5000A Jump Starter connected to a car battery, highlighting its powerful 5000A capability for gas and diesel engines.
Safety Information
Your katoroe Jump Starter is equipped with multiple safety protections to ensure safe operation. Always read and understand all safety warnings and instructions before use.
Integrated Safety Protections:
- Reverse Polarity Protection: Prevents damage from incorrect battery connections.
- Short Circuit Protection: Automatically shuts off in case of a short circuit.
- Over Charge Protection: Prevents overcharging of the internal battery.
- Overload Protection: Safeguards against excessive current draw.
- Reverse Charge Protection: Prevents current flow back to the jump starter from the vehicle battery.
- Reverse Connection Protection: Alerts or prevents operation if cables are connected incorrectly.
- Low Voltage Protection: Protects the internal battery from deep discharge.
- Over Temperature Protection: Shuts down if the device overheats.
- Over Current Protection: Limits current to safe levels.
- Low Temperature Protection: Ensures safe operation in cold conditions.

Image: Visual representation of the 10 safety protection features integrated into the katoroe jump starter.
Package Contents
Verify that all items are present in your package:
- 1 x katoroe Jump Starter with Air Compressor
- 1 x Smart Jumper Cables
- 1 x USB-A to USB-C Charging Cable
- 1 x Air Pump Hose
- 3 x Air Nozzles (for various inflatables)
- 1 x User Manual

Image: All components included in the katoroe Jump Starter package.
Setup
Charging the Jump Starter
Before first use, fully charge the katoroe Jump Starter. Connect the provided USB-A to USB-C charging cable to the Type-C input port (5V/3A) on the device and to a suitable USB power adapter (not included). The display will indicate the charging status.
Familiarizing with Controls

Image: Labeled diagram of the katoroe Jump Starter's controls and interfaces.
Operating Instructions
1. Jump Starting a Vehicle
The katoroe 5000A Jump Starter can instantly restart 12V dead vehicles, including cars, trucks, motorcycles, boats, lawnmowers, and snowmobiles, with engines up to 9.0L gas and 7.0L diesel. It operates effectively in extreme weather conditions from -4°F to 140°F.
- Ensure the jump starter has sufficient power.
- Plug the smart jumper cable into the 12V vehicle start port on the jump starter.
- Connect the RED clamp to the vehicle battery's positive (+) terminal.
- Connect the BLACK clamp to the vehicle battery's negative (-) terminal.
- Start your vehicle.
- Once the vehicle starts, remove the jumper cables from the battery terminals, then unplug from the jump starter.

Image: Step-by-step visual instructions for jump-starting a vehicle.
2. Using the Cordless Tire Inflator
The integrated air compressor can quickly inflate a car tire from 0 PSI to 20 PSI in approximately 2 minutes. It comes with 3 different nozzles and supports 4 selectable units (PSI, BAR, KPA, KG/cm²).
- Connect the air pump hose to the inflate interface on the jump starter.
- Attach the appropriate air nozzle to the hose for your item (car tire, bicycle, motorcycle, balls, etc.).
- Connect the nozzle to the item to be inflated. The display screen will show the real-time tire pressure.
- Use the PSI +/- buttons to set the desired pressure.
- Press the Inflator Mode button to start inflation. The device will automatically stop when the set pressure is reached.

Image: The katoroe Jump Starter actively inflating a car tire, demonstrating its air compressor function.
3. Power Bank Functionality
The jump starter features one Type-C input port (5V/3A) and two USB-A output ports (5V/3A and 5V/2A), allowing you to efficiently charge various devices such as smartphones, laptops, and tablets. This makes it an ideal choice for travel or camping.

Image: The katoroe Jump Starter connected to and charging multiple electronic devices.
4. LED Light Functions
Equipped with 400 lumens LED lights, providing significantly enhanced brightness. It includes three modes: Flashlight, SOS, and Strobe, perfect for different emergency scenarios.
- Flashlight: Long press the power button to turn on/off.
- SOS Mode: Short press the power button to cycle to SOS mode.
- Strobe Mode: Short press the power button again to cycle to Strobe mode.

Image: The katoroe Jump Starter showcasing its three LED light modes.
Official Product Video: Jump Starter with Air Compressor
Video: An official product video from katoroe demonstrating the features and usage of the Jump Starter with Air Compressor.
Maintenance
- Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Recharge the jump starter every 3-6 months to maintain optimal battery health, even if not in use.
- Clean the exterior with a soft, damp cloth. Do not use harsh chemicals or abrasive materials.
- Ensure all ports and connections are free from dust and debris.
Troubleshooting
- Device not turning on: Ensure the device is charged. Connect to a power source and allow it to charge for a few minutes before attempting to power on.
- Vehicle not jump-starting: Check that the jumper cables are securely connected to the correct battery terminals (red to positive, black to negative). Ensure the jump starter has sufficient charge.
- Air compressor not inflating: Verify the air pump hose is securely connected to both the device and the item to be inflated. Check that the correct air nozzle is used and properly attached. Ensure the desired pressure is set and the inflator mode is activated.
- Error messages on display: Refer to the specific error codes in the full user manual for detailed explanations and solutions.
If issues persist, please contact katoroe customer support for assistance.
Specifications
| Brand | katoroe |
| Model | Q27B |
| Peak Amperage | 5000 Amps |
| Engine Compatibility | Up to 9.0L Gas / 7.0L Diesel |
| Tire Inflator Pressure | 150 PSI |
| Battery Capacity | 20000 Milliamp Hours |
| Battery Cell Composition | Lithium Polymer |
| Voltage | 12 Volts |
| Item Weight | 2.66 pounds |
| Product Dimensions | 3 x 5 x 3 inches |
| LED Light Output | 400 Lumens |
| Input Port | Type-C (5V/3A) |
| Output Ports | 2 x USB-A (5V/3A and 5V/2A) |
Warranty and Support
katoroe offers a 12-month replacement warranty and lifetime technical support for this product. For any questions, troubleshooting assistance, or warranty claims, please contact katoroe customer service through the retailer's platform or visit the official katoroe website.
For more information, visit the katoroe Store.

