Introduction
This manual provides detailed instructions for the safe and effective use of your BAYU E-Pro Max Portable Multi-Function Car Kit. This comprehensive kit includes a car tire inflator, cordless car vacuum cleaner, cordless pressure washer, and a battery jump starter, all utilizing a shared battery module for convenience and efficiency. Please read this manual thoroughly before operating the device and retain it for future reference.
Product Overview
The BAYU E-Pro Max kit is designed to provide multiple essential car care functions in a portable and modular system. Familiarize yourself with the components before use.

The image displays all components of the BAYU E-Pro Max kit, including the main carrying case, tire inflator, car vacuum, pressure washer unit, jump starter cables, various nozzles, hoses, and charging cables.
Kit Components:
- Shared Rechargeable Battery Module
- Tire Inflator Unit
- Handheld Car Vacuum Unit
- Cordless Pressure Washer Unit
- Battery Jump Starter Cables
- Air Hose and 3 Inflation Nozzle Attachments
- Water Hose and Pressure Washer Nozzles
- Vacuum Attachments (e.g., brush, crevice tool)
- Charging Cable
- Storage Bag
Setup
1. Initial Battery Charging:
- Connect the provided charging cable to the battery module.
- Plug the other end into a suitable power source.
- Allow the battery to fully charge before first use. The indicator light on the battery module will show charging status.
2. Attaching the Battery Module:
The shared battery module is designed for easy attachment and detachment to each tool unit. Align the battery module with the designated slot on the desired tool (tire inflator, vacuum, or pressure washer) and push firmly until it clicks into place. Ensure a secure connection before operation.
Operating Instructions
A. Tire Inflator Operation:
- Ensure the battery module is securely attached to the tire inflator unit.
- Connect the air hose to the inflator unit.
- Select the appropriate nozzle attachment for your item (car tire, bicycle, ball, etc.) and securely attach it to the air hose.
- Connect the nozzle to the item to be inflated.
- Power on the inflator. Use the control buttons to set your desired pressure (up to 150 PSI).
- Press the 'Start' button. The inflator will begin inflating and automatically shut off once the preset pressure is reached.
- Disconnect the nozzle and air hose.
Note: To prevent overheating, operate the tire inflator for a maximum of 10 minutes, then turn it off and allow it to cool before restarting.
B. Handheld Car Vacuum Operation:
- Attach the battery module to the vacuum unit.
- Select and attach the desired vacuum attachment (e.g., crevice tool for tight spaces, brush for upholstery).
- Press the power button to turn on the vacuum.
- Proceed with cleaning.
- After use, turn off the vacuum and detach the battery. Empty the dustbin and clean the filter as described in the Maintenance section.
C. Cordless Pressure Washer Operation:
- Attach the battery module to the pressure washer unit.
- Connect the water hose to the pressure washer unit and ensure it is securely attached to a water source or a filled water container.
- Select and attach the desired spray nozzle.
- Press the power button to activate the pressure washer.
- Direct the spray away from people and sensitive areas.
- After use, turn off the unit, release any residual pressure, and disconnect the water hose and battery.
D. Battery Jump Starter Operation:
- Ensure the battery module is fully charged.
- Connect the red clamp of the jump starter cables to the positive (+) terminal of the dead car battery.
- Connect the black clamp to the negative (-) terminal of the dead car battery.
- Connect the other end of the jump starter cables to the designated port on the battery module.
- Start the car engine.
- Once the car starts, immediately disconnect the jump starter cables from the battery module, then remove the black clamp from the car battery, followed by the red clamp.
Safety Precaution: Always ensure proper polarity when connecting jump starter cables to avoid damage to the vehicle or the device.
Maintenance
1. Cleaning:
- Vacuum Unit: Regularly empty the dustbin and clean or replace the filter to maintain suction performance.
- Pressure Washer: Rinse nozzles and hoses after each use to prevent mineral buildup.
- General: Wipe down all units with a damp cloth. Do not use harsh chemicals or abrasive cleaners.
2. Battery Care:
- Store the battery module in a cool, dry place.
- Charge the battery fully before long-term storage and recharge every 3-6 months to prolong its lifespan.
- Avoid exposing the battery to extreme temperatures.
3. Storage:
The BAYU E-Pro Max kit comes with a small storage bag for easy portability and organization. Store all components neatly in the bag when not in use to protect them from damage and keep them readily accessible for emergencies or regular use.
Troubleshooting
- Device Not Turning On: Ensure the battery module is fully charged and securely attached to the tool unit. Check for any visible damage to the battery or unit.
- Tire Inflator Not Reaching Desired Pressure: Verify the air hose and nozzle connections are secure and free of leaks. Ensure the preset pressure is correctly entered. Check if the item being inflated has a leak.
- Vacuum Suction is Weak: Check if the dustbin is full and needs emptying. Clean or replace the vacuum filter. Ensure no blockages in the nozzle or hose.
- Pressure Washer Not Spraying: Confirm the water source is connected and supplying water. Check for blockages in the hose or nozzle. Ensure the battery is adequately charged.
- Jump Starter Not Working: Ensure the battery module is fully charged. Double-check that the clamps are connected to the correct positive (+) and negative (-) terminals of the car battery.
If issues persist, please contact customer support.
Specifications
| Brand | BAYU |
| Model Name | E-Pro Max |
| Power Source | Battery Powered |
| Recommended Uses | Tire Inflation, Car Cleaning, Jump Starting |
| Maximum Operating Pressure (Inflator) | 150 PSI |
| Special Features | Digital Display, Portable, Quick Inflation |
| Included Components | Battery, Air Compressor, Vacuum, Pressure Washer, Jump Starter Cables, Attachments |
| Material | Plastic |
| Manufacturer | Hangzhou Baiyu Technology Co., Ltd |
Warranty and Support
For warranty information, technical support, or service inquiries regarding your BAYU E-Pro Max Portable Multi-Function Car Kit, please refer to the product packaging or contact BAYU customer service directly through their official channels. Keep your purchase receipt as proof of purchase for warranty claims.