YESPER Monster Start X2 12V/24V Jump Starter User Manual

1. Introduction

Thank you for choosing the YESPER Monster Start X2 12V/24V Jump Starter. This device is designed to provide reliable emergency starting power for a wide range of vehicles, from motorcycles and passenger cars to large trucks, buses, construction machinery, agricultural machinery, and boats. It also functions as a portable power bank and features an integrated LED light for various situations. Please read this manual thoroughly before use to ensure safe and optimal operation.

Image 1.1: YESPER Monster Start X2 Jump Starter unit.

2. Product Features

• Ultra-High Capacity & Peak Current: Equipped with a 122500mAh battery and an 8000A peak current, capable of starting multiple vehicles on a single charge.
• 12V/24V Universal Compatibility: Automatically detects and outputs the optimal voltage for 12V gasoline and diesel vehicles, and 24V vehicles up to 560hp.
• Advanced Safety Protections: Features 10 types of protection, including short circuit, overcurrent, overcharge, over-discharge, overheat, overvoltage, ultra-low power, AI software, reverse polarity, and reverse current protection, ensuring safe operation without sparks.
• Portable Design: Weighing 6KG, it includes a sturdy handle for easy transport, making it ideal for outdoor activities, travel, and emergencies.
• Wide Operating Temperature Range: Designed to operate stably in extreme conditions, from -40°C to 60°C.
• Multi-functional Power Bank: Two USB output ports (USB1: 5V/1A, USB2: 5V/2.4A) allow rapid charging of smartphones, cameras, and tablets.
• Integrated LED Light: Features illumination, strobe, and SOS modes, providing approximately 453 hours of continuous lighting for various outdoor and emergency needs.

3. Package Contents

Verify that all items are present in the package:

• YESPER Monster Start X2 Jump Starter Unit
• Dedicated AC Adapter (29V/5A)
• USB-C to USB-A Cable
• User Manual (Japanese, for reference)

Image 3.1: Contents of the YESPER Monster Start X2 package, including the jump starter, AC adapter, USB cable, and manual.

4. Safety Information

The YESPER Monster Start X2 is equipped with comprehensive safety features to protect both the device and the user. Always adhere to the following guidelines:

• Short Circuit Protection: Prevents damage from accidental short circuits.
• Overcurrent Protection: Safeguards against excessive current flow.
• Overcharge Protection: Stops charging once the battery is full to prevent overcharging.
• Over-discharge Protection: Prevents the battery from being drained too low.
• Overheat Protection: Shuts down the unit if it becomes too hot.
• Overvoltage Protection: Protects against voltage surges.
• Ultra-Low Power Protection: Ensures stable operation even at very low power levels.
• AI Software Protection: Intelligent software monitors and manages power for optimal safety.
• Reverse Polarity Protection: Prevents damage if clamps are connected incorrectly.
• Reverse Current Protection: Stops current from flowing back into the jump starter from the vehicle battery.

WARNING: Do not attempt to jump start a vehicle if the jump starter's battery level is critically low. Always ensure proper connection to avoid sparks or damage.

Image 4.1: Visual representation of the 10 safety protection features integrated into the jump starter.

5. Setup

5.1 Initial Charging

Before first use, fully charge the YESPER Monster Start X2. Use the dedicated AC adapter provided. Connect the adapter to the DC 29V/5A input port on the jump starter and plug it into a wall outlet. A full charge takes approximately 3.5 hours. The battery level indicator will show charging progress.

Image 5.1: The jump starter connected to its AC adapter for charging.

6. Operating Instructions

6.1 Jump Starting a Vehicle

Follow these 4 simple steps to jump start your vehicle:

1. Check Battery Level: Ensure the jump starter unit has sufficient power.
2. Connect Clamps: Attach the red (+) clamp to the vehicle's positive battery terminal and the black (-) clamp to the vehicle's negative battery terminal. The unit will automatically detect if it's a 12V or 24V system.
3. Start Engine: Turn the vehicle's ignition to start the engine.
4. Remove Clamps: Once the engine starts, remove the clamps from the vehicle battery within 30 seconds.

The jump starter supports emergency starting for a wide range of engines, providing peace of mind in case of a dead battery. For 12V vehicles, it can provide up to 175 starts on a full charge, and for 24V vehicles, up to 135 starts.

Image 6.1: The jump starter connected to a vehicle battery, demonstrating its 12V/24V automatic detection capability.

6.2 Charging the Jump Starter

To recharge the jump starter, use the provided 29V/5A AC adapter. Connect it to the input port on the unit and plug into a standard wall outlet. The unit can be fully charged in approximately 3.5 hours. Alternatively, it can be charged using a USB-C cable (not for fast charging).

6.3 Using as a Mobile Power Bank

The jump starter features two USB-A output ports:

• USB1: 5V/1A
• USB2: 5V/2.4A

Connect your smartphone, camera, tablet, or other USB electronic devices to these ports for rapid charging.

6.4 Using the LED Light

The integrated LED light has three modes:

• Illumination Mode: For general lighting.
• Strobe Mode: For signaling or attracting attention.
• SOS Mode: For emergency signaling.

The LED light can provide approximately 453 hours of continuous lighting, making it suitable for night work, camping, night fishing, and other outdoor or emergency lighting needs.

Image 6.2: The jump starter's LED light in use, demonstrating its various modes for night work and emergencies.

6.5 Override Mode

The unit features a 12V and 24V override mode. This mode allows you to start vehicles with severely discharged batteries or systems that cannot be started normally. Refer to the detailed instructions in the Japanese user manual for specific steps on how to activate and use the override mode safely.

7. Maintenance

To ensure the longevity and optimal performance of your YESPER Monster Start X2, follow these maintenance guidelines:

• Regular Charging: Recharge the unit every 3-6 months, even if not in use, to maintain battery health.
• Storage: Store the jump starter in a cool, dry place away from direct sunlight and extreme temperatures. Avoid storing it in a vehicle for extended periods, especially in hot or cold weather.
• Cleaning: Wipe the unit with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
• Check Cables: Periodically inspect the jump starter cables and clamps for any signs of damage, wear, or corrosion. Replace if necessary.

The unit is designed for durability with a cycle life of over 1000 times (100% DOD) and stable operation from -40°C to 60°C.

Image 7.1: The jump starter demonstrating its ability to operate in a wide range of temperatures, from -40°C to 60°C.

8. Troubleshooting

If you encounter issues with your YESPER Monster Start X2, refer to the following common problems and solutions:

If you cannot resolve the issue using the above steps, please contact YESPER customer support.

9. Specifications

10. Warranty and Support

The YESPER Monster Start X2 comes with an 18-month warranty from the date of purchase. This warranty covers manufacturing defects and ensures reliable performance under normal use.

If you have any questions, concerns, or require technical assistance, please do not hesitate to contact YESPER customer support. Our team is ready to assist you.

For more information or to register your product, please visit our website: https://yes-per.com/account

Image 10.1: A customer support representative ready to assist with inquiries.