1. Introduction
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your Ryobi RPI18-0 18V ONE+ High Pressure Inflator. Please read these instructions thoroughly before first use and retain for future reference.
The Ryobi RPI18-0 is a versatile, cordless high-pressure inflator designed for various inflation tasks, including vehicle tires, bicycle tires, and sports equipment. It features a digital display, automatic shut-off, and integrated accessory storage for convenience.

Image: The Ryobi RPI18-0 High Pressure Inflator, showcasing its compact design and integrated hose.
2. Safety Information
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury when operating this tool.
- Read All Instructions: Familiarize yourself with the tool's operation and safety guidelines.
- Use Appropriate Battery: This tool is part of the Ryobi 18V ONE+ system. Use only compatible Ryobi 18V ONE+ batteries.
- Eye Protection: Always wear safety glasses with side shields when operating the inflator.
- Hearing Protection: Prolonged use may require hearing protection due to noise levels.
- Avoid Over-inflation: Do not exceed the recommended pressure for the item being inflated. Over-inflation can cause items to burst, leading to injury.
- Inspect Before Use: Check the inflator, hose, and accessories for damage before each use. Do not use if damaged.
- Keep Area Clear: Ensure the work area is well-lit and free from obstructions.
- Do Not Leave Unattended: Never leave the inflator operating unattended.
- Hot Surfaces: The hose and nozzle may become hot during prolonged use. Handle with care.
3. Product Overview
The Ryobi RPI18-0 features an intuitive control panel and integrated storage for accessories.

Image: Front view of the inflator showing the digital display and control buttons.
Key Components:
- Digital Display: Shows current and target pressure.
- Control Buttons: Power, Start/Stop, Pressure Increase (+), Pressure Decrease (-).
- High-Pressure Hose: Integrated for convenient storage.
- Valve Connector: For standard Schrader valves.
- Accessory Storage: Compartment for inflation tips.
- Battery Port: For Ryobi 18V ONE+ batteries (battery not included).
4. Setup
4.1 Battery Installation
- Ensure the inflator is turned off.
- Align the Ryobi 18V ONE+ battery with the battery port on the base of the inflator.
- Slide the battery into place until it clicks securely.
- To remove, press the battery release latches and slide the battery out.
4.2 Attaching Inflation Tips
The inflator includes three common inflation tips: a sports ball needle, a Presta valve adapter, and a high-pressure tapered nozzle. These are stored in the integrated compartment.

Image: The three included inflation tips for various applications.

Image: The integrated storage compartment for inflation tips on the inflator.
- Select the appropriate inflation tip for your item.
- Screw the desired tip onto the end of the valve connector on the high-pressure hose. Ensure it is finger-tight.
5. Operating Instructions
5.1 Powering On and Setting Pressure
- Press the Power button (
) to turn on the inflator. The digital display will illuminate. - The display will show the current pressure unit (e.g., PSI, Bar) and a default target pressure.
- Use the + and - buttons to adjust the target pressure to your desired level. The inflator remembers the last set pressure.

Image: A user interacting with the control panel to set the desired pressure.
5.2 Inflation Process
- Connect the valve connector (with the appropriate tip, if needed) securely to the item's valve.
- Press the Start/Stop button (
) to begin inflation. The display will show the increasing current pressure. - The inflator will automatically stop once the preset target pressure is reached.
- To manually stop inflation at any time, press the Start/Stop button again.
- Disconnect the valve connector from the item.

Image: Close-up of the hose being attached to a valve for inflation.
5.3 Example Applications

Image: Inflating a bicycle tire.

Image: Inflating a sports ball.
6. Maintenance
6.1 Cleaning
- Always remove the battery before cleaning.
- Wipe the exterior of the inflator with a clean, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Keep ventilation openings clear of dust and debris.
6.2 Storage
- Store the inflator in a dry, secure location, out of reach of children.
- Ensure the hose is neatly wrapped around the unit and the valve connector is secured.
- Store inflation tips in their designated compartment to prevent loss.
- Remove the battery if storing for extended periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Inflator does not turn on. | Battery not installed correctly or discharged. | Ensure battery is fully seated. Charge or replace battery. |
| Inflator runs but does not inflate. | Hose or tip not securely connected; Leak in hose or valve. | Check all connections for tightness. Inspect hose and valve for damage. |
| Inaccurate pressure reading. | Sensor calibration issue; External factors. | Verify pressure with a separate, calibrated gauge. If discrepancy persists, contact customer support. |
| Inflator stops prematurely. | Target pressure reached; Overheating. | Check target pressure setting. Allow unit to cool down if it feels hot. |
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | RPI18-0 |
| Brand | RYOBI |
| Voltage | 18 Volts |
| Maximum Pressure | 11 Bar / 160 PSI |
| Air Flow Capacity | 16 Liters Per Minute (LPM) |
| Noise Level | 50 Decibels |
| Hose Length | 60 Centimeters |
| Item Weight | 600 Grams (1.32 pounds) |
| Included Components | 3 x Inflation Tips (Sports Ball Needle, Presta Valve Adapter, Tapered Nozzle) |
| Power Source | Battery Powered (Battery not included) |
| Special Features | Cordless, Portable, Quick Inflation, Automatic Shut-off, Digital Display |
9. Warranty and Support
The Ryobi RPI18-0 is part of the Ryobi 18V ONE+ system, known for its compatibility and reliability. For specific warranty information, please refer to the warranty card included with your product or visit the official Ryobi website.
Spare parts for this product are typically available for a duration of 5 years from the date of manufacture.
For technical assistance, service, or to inquire about replacement parts, please contact Ryobi customer support through their official channels. Keep your purchase receipt and product model number (RPI18-0) handy when contacting support.