1. Ngwaahịa gafereview
The Oasser LS4015 is a portable tire inflator designed for various inflation needs, including car, motorcycle, bicycle tires, and sports balls. It features a digital dual-screen display, multiple preset modes, and a built-in LED light for convenience.

Image: The Oasser LS4015 portable tire inflator with its digital display and attached inflation hose.
2. Ihe ngwugwu
Chọpụta na ihe niile dị na ngwugwu:
- 1 x Oasser Tire Inflator (Model LS4015)
- 1 x 30 cm Inflation Hose
- 1 x Type-C Cable (1 meter)
- 3 x Air Nozzles (Ball needle, Presta valve adapter, Swimming ring nozzle)
- 1 x Akpa nchekwa
- 1 x Akwụkwọ ntuziaka onye ọrụ

Image: All included accessories for the Oasser LS4015 tire inflator, including the main unit, hose, cable, nozzles, and storage bag.
3. Ntọala na Nchaji
3.1 Ụgwọ mbụ
Before first use, fully charge the tire inflator. Connect the provided Type-C cable to the inflator's Type-C port and a suitable USB power adapter (not included). A full charge typically takes approximately 5 hours. The battery level indicator on the display will show charging progress.
3.2 Ịtinye eriri ikuku
Screw the inflation hose securely into the designated port on the top of the inflator. Ensure it is tightened to prevent air leakage during operation.
Video: Demonstration of attaching the air hose to the Oasser portable tire inflator and its basic functions.
4. Ntuziaka ọrụ
4.1 Gbanyụọ ma ọ bụ gbanyụọ
- To power on: Long-press the power button (U) maka 3 sekọnd.
- To power off: Long-press the power button (U) for 3 seconds. The device will automatically power off after 90 seconds of inactivity to save energy.
4.2 Ịhọrọ Ụdị Ọnụ Ahịa
The inflator offers 5 preset modes: Car, Motorcycle, Bicycle, Balls, and Custom. Each mode has a default pressure range.
- Short-press the mode button (M) to cycle through the preset modes.
- In Custom mode, you can set any pressure value between 3 and 150 PSI.

Image: The Oasser LS4015 displaying its five preset inflation modes for different item types.
4.3 Ịtọ Nrụgide Ebumnuche
- After selecting a mode, the preset value will be displayed.
- To adjust the target pressure: Use the '+' and '-' buttons to increase or decrease the value.
- To change pressure units (PSI, BAR, KPA, KG/CM²): Long-press the unit button (often integrated with the mode button or a dedicated button, refer to device markings).
4.4 Mmalite na Ịkwụsị Ọnụ Ahịa
- Connect the air chuck to the tire valve stem. The display will show the current tire pressure.
- Short-press the power button (U) to begin inflation.
- The inflator will automatically stop when the preset target pressure is reached.
- To manually stop inflation: Short-press the power button (U) ozo.

Image: Visual guide demonstrating the one-handed operation and ease of use for the Oasser LS4015, including attaching the hose, powering on, selecting modes, adjusting pressure, and starting inflation.
4.5 LED Light Function
The device includes an LED light with three modes:
- Ìhè Ọcha kwụ ọtọ
- Slow-Flashing White Light
- SOS Fast Flash
Short-press the light button (often indicated by a lightbulb icon) to cycle through the light modes.

Image: The Oasser LS4015 demonstrating its emergency power bank feature charging a phone and its LED flashlight function in various modes.
4.6 Ike Bank arụ ọrụ
The inflator can also serve as a power bank to charge electronic devices via its Type-C port. Connect your device using a compatible cable.
5. Nlekọta
5.1 Nhicha
Wipe the device with a soft, dry cloth. Do not use liquid cleaners or immerse the device in water.
5.2 Nchekwa
Store the inflator and its accessories in the provided storage bag in a cool, dry place away from direct sunlight and extreme temperatures. Ensure the device is fully charged before long-term storage to maintain battery health.
5.3 Nlekọta batrị
To prolong battery life, avoid completely draining the battery frequently. Recharge the device regularly, especially if it has been stored for an extended period.
6. Nchọpụta nsogbu
- Ngwaọrụ anaghị agbanye: Ensure the battery is charged. Connect to a power source using the Type-C cable and try again after charging.
- Inflator not inflating: Check that the air hose is securely attached to both the inflator and the tire valve. Ensure the target pressure is set above the current pressure.
- Ọgụgụ nrụgide na-ezighi ezi: While the device provides real-time pressure, for critical applications, verify with a calibrated external pressure gauge.
- Accidental power-on/battery drain: Due to the button placement, the device may accidentally turn on if buttons are pressed while stored in a soft bag. Ensure careful storage to prevent unintended activation and battery discharge.
- Device gets warm during use: It is normal for the inflator to become warm during extended operation, especially when inflating low tires. Allow it to cool down if it becomes excessively hot.
7. Nkọwapụta
| Njirimara | Nkọwapụta |
|---|---|
| Ụdị | Onye njikwa |
| Nọmba nlereanya | LS4015 |
| Oke nrụgide | 150 PSI |
| Ike batrị | 6000mAh |
| Nchaji ọdụ ụgbọ mmiri | Type-C (Bidirectional) |
| Ogologo eriri | 30 cm (11.81 sentimita) |
| Akụkụ (L x W x H) | 3.6" x 1.9" x 5.1" |
| Ọkwa mkpọtụ | 70 decibel |
| Atụmatụ ndị ọzọ | Automatic Shut-Off, Cordless, LCD Display, Portable, Quick Inflation, LED Light, Power Bank Function |
8. Akwụkwọ ikike Ozi
The Oasser LS4015 Portable Tire Inflator comes with a 2-year manufacturer warranty. Please retain your proof of purchase for warranty claims. For detailed terms and conditions, refer to the warranty card included in your package or contact Oasser customer support.
9. Nkwado ndị ahịa
For any questions, technical assistance, or warranty inquiries, please contact Oasser customer support through the retailer's platform or the official Oasser website. Please have your model number (LS4015) and purchase date available when contacting support.