ETENWOLF ZEPHYR S3 Tire Inflator Portable Air Compressor

1. Introduction

The ETENWOLF ZEPHYR S3 is a versatile and portable air compressor designed for efficient inflation of various items, including vehicle tires (cars, SUVs, light-duty pickups), bicycles, and sports balls. Featuring a robust design with a 100% duty cycle and a powerful built-in lithium battery, it offers fast and reliable inflation wherever you need it. This manual provides essential information for the safe and effective use of your ZEPHYR S3.

Image: The ETENWOLF ZEPHYR S3 Portable Air Compressor, showcasing its compact and durable design.

2. Package Contents

Please verify that all items listed below are included in your package:

• Air Compressor x 1
• Air Chuck x 1
• Pressure hose x 1
• Presta valve adapter x 1
• Inflation needle x 1
• High-pressure tapered nozzle x 1
• USB A to C cable x 1
• User manual x 1

Image: All components included in the ETENWOLF ZEPHYR S3 package, laid out for inspection.

3. Key Features

• Ultra-Fast Inflation

  The ZEPHYR S3 boasts an inflation speed of 1.25 CFM@0 PSI (35 L/Min@0 PSI), capable of filling a 26.3” tire from 30 to 35 PSI in approximately 1 minute. Its gauge accuracy is within plus-minus 1 PSI, with a maximum pressure of 160 PSI.

  

  Image: Visual representation of the ZEPHYR S3 inflating a tire quickly, highlighting its fast inflation capability.

• Built-in 7800 mAh Lithium Battery

  Equipped with a powerful 7800 mAh lithium battery, the ZEPHYR S3 can inflate up to sixteen 235/45/R18 (26.3”) tires from 30 to 35 PSI on a single full charge. It supports USB-C 15W fast charging, compatible with A to C or C to C chargers.

  

  Image: The ZEPHYR S3 functioning as a power bank, charging various electronic devices, demonstrating its 7800mAh battery capacity.

• 100% Duty Cycle & Dedicated Cooling System

  Thanks to its highly durable dual-cylinder and dedicated cooling system, the ZEPHYR S3 can continuously inflate all four tires of your car from 28 to 35 PSI without requiring breaks, ensuring uninterrupted operation.

  

  Image: An X-ray view of the ZEPHYR S3 showing its internal active cooling system, illustrating how it maintains performance during continuous use.

• Auto Stop & Preset Modes

  The inflator automatically stops once the target pressure is reached, preventing over-inflation. It features four preset inflation modes (Car, Bicycle, Ball, Manual) and remembers your last preset pressure setting for convenience. A 300-lumen LED work light provides ample illumination in dark conditions.

  

  Image: Display showing the four preset modes (Car, Bicycle, Ball, Manual) available on the ZEPHYR S3, along with their respective pressure ranges.

4. Setup

1. Initial Charge: Before first use, fully charge the ZEPHYR S3 using the provided USB A to C cable and a compatible USB charger (not included). The display will indicate charging status.
2. Attach Hose: Screw the pressure hose securely onto the air compressor's output port.
3. Select Adapter: Choose the appropriate nozzle adapter (Air Chuck for tires, Presta valve adapter for specific bike valves, Inflation needle for balls, or High-pressure tapered nozzle for other inflatables) and attach it to the end of the pressure hose.

5. Operating Instructions

1. Power On: Press the Power button to turn on the inflator. The current pressure will be displayed.
2. Select Unit: Press the 'UNIT' button to cycle through pressure units (PSI, BAR, KPA, KG/CM²).
3. Choose Mode: Press the 'MODE' button to select from the four preset inflation modes: Car, Bicycle, Ball, or Manual. Each mode has a default pressure range.
4. Set Target Pressure: Use the '+' and '-' buttons to adjust the desired target pressure. The device will remember your last set pressure for each mode.
5. Connect to Item: Securely attach the appropriate nozzle adapter to the item you wish to inflate. Ensure a tight seal to prevent air leakage.
6. Start Inflation: Press the Power button again to begin inflation. The display will show the real-time pressure.
7. Auto Stop: The inflator will automatically stop once the set target pressure is reached.
8. Disconnect: Carefully disconnect the nozzle from the item.
9. LED Light: Press the light bulb button to turn on the 300-lumen LED work light. Press again to cycle through different light modes (e.g., steady, SOS, flashing).
10. Power Bank Function: The built-in 7800 mAh battery can also serve as a power bank. Connect your electronic device to the USB-C port using a compatible cable to charge it.

6. Maintenance

• Cleaning: Wipe the exterior of the inflator with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
• Storage: Store the inflator in a cool, dry place, away from direct sunlight and extreme temperatures. It is advised not to store the unit in a vehicle during hot summer months to preserve battery life.
• Charging: Recharge the battery regularly, even if not in frequent use, to maintain optimal battery health. Avoid completely draining the battery before recharging.
• Hose and Adapters: Inspect the pressure hose and adapters for any signs of wear or damage before each use. Replace if necessary.

7. Troubleshooting

8. Specifications

• Brand: ETENWOLF
• Model Name: Tire Inflator USMS3VO
• Power Source: Battery Powered
• Battery Capacity: 7800 mAh Lithium Ion (included)
• Maximum Operating Pressure: 160 PSI
• Air Flow Capacity: 1.25 Cubic Feet Per Minute (35 L/Min)
• Maximum Power: 132 Watts
• Item Weight: 3.23 pounds (1.47 Kilograms)
• Product Dimensions: 6.7 x 3.5 x 5.3 inches
• Special Feature: Quick Inflation, Auto Stop, LED Work Light, Power Bank Function
• Recommended Uses: Tire Inflation (Cars, SUVs, Bikes, Balls)

9. Warranty and Support

ETENWOLF products are manufactured with high-quality standards and undergo rigorous testing. For specific warranty details, including coverage period and terms, please refer to the warranty card included with your product or visit the official ETENWOLF website. For technical support, troubleshooting assistance, or inquiries regarding replacement parts, please contact ETENWOLF customer service through the contact information provided in your product documentation or on the official brand website.

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