YESPER X1

YESPER X1 Jump Starter with Air Compressor

User Manual

1. Introduction

This manual provides essential information for the safe and effective operation of your YESPER X1 Jump Starter with Air Compressor. Please read this manual thoroughly before using the device and retain it for future reference.

YESPER X1 Jump Starter with Air Compressor, showing the device and included accessories like jumper cables and air nozzles.

Figure 1: YESPER X1 Jump Starter with Air Compressor

2. Safety Information

Observe the following safety precautions to prevent injury or damage to the device:

  • Do not use the jump starter if the battery clamps or cables are damaged.
  • Ensure correct polarity when connecting to a vehicle battery (red clamp to positive, black clamp to negative). The device features anti-spark and reverse polarity protection, indicated by green/red lights for correct/incorrect connection.
  • Avoid jump-starting a vehicle continuously at a high frequency. Allow the unit to cool for at least 1 minute between each start attempt.
  • Do not expose the device to extreme temperatures outside its operating range of -4℉ to 140℉ (-20℃ to 60℃). Prolonged exposure to high temperatures is prohibited.
  • Keep the device away from moisture, water, and flammable materials.
  • The unit includes comprehensive protections: short circuit, AI software, overcharge, over-discharge, overcurrent, over-temperature, over-voltage, reverse polarity, anti-charge, and low self-consumption protection.
  • For optimal battery health, charge the jump starter every 3 months if not in regular use.
Diagram illustrating 10 comprehensive safety protections of the YESPER X1 Jump Starter.

Figure 2: Comprehensive Safety Protections

Image showing the YESPER X1 Jump Starter operating in extreme hot and cold temperatures, illustrating its wide working temperature range.

Figure 3: Wide Working Temperature Range

3. Package Contents

Verify that all items are present in the package:

  • YESPER X1 Portable Car Lithium Battery Starter
  • Smart Battery Clamp (Jumper Cables)
  • Mobile Phone Adapter Cable (USB-C to USB-A)
  • User Manual
  • Multi-function Gas Nozzle
  • Pump Tube

Note: A charging adapter is not included.

Contents of the YESPER X1 Jump Starter package, including the main unit, jumper cables, air hose, various nozzles, and a USB cable.

Figure 4: Included Package Contents

4. Product Overview

The YESPER X1 is a versatile device combining a powerful jump starter, an air compressor, a portable power bank, and an LED flashlight. It features a digital display for monitoring status and settings.

The YESPER X1 Jump Starter with its digital display showing battery level and air pressure units, alongside tires and a basketball.

Figure 5: Digital Display and Multifunctionality

Illustration of the 4-in-1 functionality of the YESPER X1: Jump Starter, Air Compressor, Power Bank, and Flashlight.

Figure 6: 4-in-1 Multifunctionality

Collage of images showing the YESPER X1 in various uses: LCD display, jump starting, tire inflation, power bank, and portability.

Figure 7: Key Features and Versatility

5. Setup

Before first use, fully charge the YESPER X1 unit. Connect the provided USB-C cable to the input port on the device and the other end to a suitable USB power adapter (not included). The digital display will indicate the charging status. Ensure the device is fully charged for optimal performance, especially before jump-starting a vehicle.

6. Operating Instructions

6.1. Jump Starting a Vehicle

The YESPER X1 can jump-start 12V vehicles with up to 8.0L gasoline or 6.0L diesel engines, including cars, SUVs, motorcycles, trucks, and motorboats.

  1. Connect Clamps: Attach the red positive (+) clamp to the positive terminal of the vehicle's battery. Attach the black negative (-) clamp to the negative terminal of the vehicle's battery.
  2. Verify Connection: The smart battery clamp will indicate a correct connection (typically a green light). If a red light or warning is displayed, check the connections for correct polarity and secure contact.
  3. Start Vehicle: Once the connection is verified as correct, start your vehicle's ignition.
  4. Disconnect: After the vehicle starts, immediately disconnect the black clamp first, then the red clamp from the vehicle battery.
The YESPER X1 Jump Starter connected to a car battery, indicating it can start 12V vehicles like cars, SUVs, motorcycles, trucks, and motorboats.

Figure 8: Jump Starting Capability

Infographic showing vehicle types and engine sizes (1.5L to 8.0L) that the YESPER X1 can jump-start.

Figure 9: Supported Vehicle Types and Engine Sizes

Three-step visual guide for jump starting a car: Attach Clamps Correctly, 'GREEN' Lights Up, Start Vehicle.

Figure 10: Jump Start Procedure

6.2. Using the Air Compressor

The integrated air compressor can inflate tires up to 150 PSI with an airflow of 35L/Min. It includes 3 different nozzles and 4 preset modes for various items like car tires, bike tires, and sports balls. The auto-stop function prevents over-inflation.

  1. Connect Air Hose: Screw the pump tube onto the air compressor port on the device. Attach the appropriate nozzle to the item you wish to inflate.
  2. Select Mode and Preset Values: Use the controls on the device to select the desired inflation mode (e.g., car, bike, ball) and set the target pressure. The LCD will display the current and target pressure.
  3. Inflate: Press the start button to begin inflation. The compressor will automatically stop once the preset pressure is reached.
The YESPER X1 Jump Starter with its air compressor hose connected to a car tire, showing inflation speed and maximum pressure.

Figure 11: Air Compressor in Use

Images showing the YESPER X1 inflating car tires, motorcycle tires, bicycle tires, and basketballs, highlighting quick inflation times.

Figure 12: Inflation for Various Items

Three-step visual guide for tire inflation: Connect the air hose, Select mode and preset values, Inflate.

Figure 13: Air Compressor Procedure

6.3. Using as a Power Bank

The YESPER X1 features a 12000mAh capacity and a 5V/2.1A USB output port, allowing you to charge mobile phones, tablets, and other USB-powered devices.

  • Connect your device's charging cable to the USB output port on the jump starter.
  • The jump starter will automatically begin charging your device.
The YESPER X1 Jump Starter being used as a portable power bank to charge a smartphone, with a couple camping in the background.

Figure 14: Portable Power Bank Function

Image highlighting the 12000mAh power bank feature with Type-C and USB ports, showing a person hiking with the device.

Figure 15: 12000mAh Power Bank for Outdoor Use

6.4. Using the LED Flashlight

The built-in LED work light offers three modes for various situations:

  • Flashlight Mode: Provides steady illumination for general use.
  • Strobe Light Mode: Emits flashing light for signaling or attracting attention.
  • SOS Light Mode: Flashes the international Morse code signal for distress.

Refer to the device's controls to cycle through these lighting modes.

The YESPER X1 Jump Starter with its LED flashlight illuminating a car tire at night, showing the three lighting modes: Lighting, Strobe, and SOS.

Figure 16: LED Emergency Flashlight

Image showing a person using the built-in LED flashlight of the YESPER X1 to inspect under a car, with icons for Flashlight, Strobe, and SOS modes.

Figure 17: Built-in LED Flashlight Modes

7. Maintenance

Proper maintenance ensures the longevity and reliability of your YESPER X1 Jump Starter:

  • Regular Charging: If the unit is not used for an extended period, charge it every three months to maintain battery health.
  • Cleaning: Wipe the device with a dry, soft cloth. Do not use harsh chemicals or abrasive cleaners.
  • Storage: Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
  • Cable Inspection: Periodically inspect the jumper cables and air hose for any signs of wear or damage. Replace if necessary.

8. Troubleshooting

If you encounter issues with your YESPER X1, refer to the following common problems and solutions:

ProblemPossible CauseSolution
Unit does not turn on.Battery is depleted.Charge the unit fully.
Vehicle does not jump start.Incorrect clamp connection; vehicle battery severely discharged; engine size exceeds capacity.Ensure clamps are connected correctly (green light); allow unit to charge vehicle battery for a few minutes before attempting to start; verify vehicle engine size is within specifications.
Air compressor not inflating.Hose not securely connected; target pressure not set; unit battery low.Ensure pump tube and nozzle are securely attached; set desired pressure on the digital display; charge the unit.
Digital display not working.Unit is off; battery is depleted.Press the power button to turn on; charge the unit.

9. Specifications

FeatureSpecification
BrandYESPER
ModelX1 (JS-507)
Peak Output Current2000 Amps
Air Compressor Max Pressure150 PSI
Air Compressor Airflow35 L/Min
Battery TypeLithium Polymer
Power Bank Output5V/2.1A USB
Product Dimensions2.36"D x 3.77"W x 9.37"H
Item Weight600 Grams (1.32 pounds)
Operating Temperature-4℉ to 140℉ (-20℃ to 60℃)

10. Warranty and Support

YESPER is committed to providing high-quality products and customer satisfaction. Your YESPER X1 Jump Starter is backed by comprehensive support services.

  • Customer Service: Enjoy 24-hour online response for any inquiries.
  • Replacement Service: A 365-day replacement service is available for eligible issues.
  • After-sales Support: Lifetime after-sales support is provided for your product.

For further assistance or to learn more about YESPER products, please visit the official YESPER store or website:

Visit the YESPER Store on Amazon

Visit YESPER Official Website

Image of a customer service representative wearing a headset, symbolizing YESPER's customer support.

Figure 18: Dedicated Customer Support

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