Wolfbox MegaVolt24 Manual
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Wolfbox MegaVolt24 Manual

Precautions

  • Thank you for choosing the Wolfbox Jump Starter. To ensure a good user experience, personal safety, and property security, please carefully read all instructions before using this product, and keep this manual for reference.
  • It is recommended to charge the product before initial use!
  • While reading this manual, you can start charging the MegaVolt24 with the included charger or wall charger.


This device is designed for vehicles (equipment) with 12V batteries. Using it with other types of batteries may pose a risk. Please read and understand the safety information before use.

Warning

WOLFBOX Two (2) Year Limited Warranty

  • Carefully read the user manual before using this product.
  • Do not substitute for car batteries.
  • Do not use it as a toy.
  • Close supervision is required when using this product near children to reduce the risk of injury.
  • The product is intended for 12V vehicle starting; using it for other purposes may pose risks.
  • burn hazardshock hazard
    Use the provided battery clamps; cease use if clamps or wires are damaged to avoid fire, electric shock, or personal injury.
  • Do not short-circuit the positive and negative terminals of the battery clamps.
  • Before starting, ensure the interface is free from rust and foreign objects. Connect the main unit securely to the battery clamps to avoid startup performance issues.
  • Remove the product from the car battery within 30 seconds after successfully starting the vehicle to prevent damage.
  • Do not start more than 3 times consecutively to avoid overheating and potential damage. Wait two minutes between each start during multiple starts.
  • Do not use clamps to power other devices.
  • Do not expose the product to environments exceeding 60°C.
  • Charge the product at an ambient temperature ranging from 0°C to 45°C.
  • Do not immerse the product in water.
  • Keep the product away from extremely hot conditions or fire.
  • Do not operate the product in explosive environments with flammable liquids, gases, or dust.
  • Ensure that someone is within hearing distance or capable of assisting when using the product.
  • Remove metal jewelry such as rings, bracelets, and necklaces before using the product.
  • To reduce the risk of damage to the power plug and cable, disconnect the main unit from the clamps at the plug location.
  • burn hazard Do not use damaged or modified battery packs; unpredictable consequences may occur, leading to risks such as fire, explosion, and injury.
  • Use the provided charger or a charger with the same specifications as the main unit's input for charging.
  • Do not charge the product immediately after starting a vehicle.
  • Do not start the vehicle while charging the main unit.
  • In extreme cases, battery leakage may occur. Do not touch the leaked substance with bare hands or skin. If contact occurs, wash with soap and water. If it enters the eyes, rinse with cold water for at least 10 minutes and seek medical attention immediately.
  • Dispose of products using lithium batteries by local regulations at the end of their service lifepan.

Packing list

LED Display Instructions

LED Display Instructions

  1. Battery Percentage
  2. Fast Charging Mode for Jump Starter
  3. Reverse Polarity Alarm
  4. Low Voltage
  5. Input
  6. Output
  7. Car is Ready to Start / BOOST Start

Parts and Functions Introduction

Parts and Functions Introduction

How to Start a 12V Vehicle

(Ensure Battery Level >50%)

Normal Start


Do not press the BOOST button before properly connecting to the vehicle battery.

  1. Press and hold the power button for 2 seconds to turn on MegaVolt24.
    Normal Start of a 12V Vehicle - Step 1
  2. Ensure that the MegaVolt24 battery level is not below 50%.
    Normal Start of a 12V Vehicle - Step 2
  3. Attach the red clamp to the positive (+) terminal of the battery and the black clamp to the negative (-) terminal. Greenlight displays "START".
    Normal Start of a 12V Vehicle - Step 3
  4. Start the vehicle.
    Normal Start of a 12V Vehicle - Step 4
  5. Remove the clamps and press and hold the power button for 2 seconds to turn off MegaVolt24.
    Normal Start of a 12V Vehicle - Step 5

BOOST Start

  1. When unable to use the regular start function, press and hold the BOOST button for 2 seconds. MegaVolt24 will power on. Greenlight displays "START".
    Boost Starting a 12V Vehicle - Step 1
  2. Ensure that the MegaVolt24 battery level is not below 50%.
    Boost Starting a 12V Vehicle - Step 2
  3. Attach the red clamp to the positive (+) terminal of the battery and the black clamp to the negative (-) terminal.
    Boost Starting a 12V Vehicle - Step 3
  4. Start the vehicle.
    Boost Starting a 12V Vehicle - Step 4
  5. Remove the clamps and press and hold the power button for 2 seconds to turn off MegaVolt24.
    Boost Starting a 12V Vehicle - Step 5

  1. Use the BOOST function only if normal vehicle start procedures fail. Avoid activating BOOST when the vehicle voltage is <9V or when regular start features are operational.
  2. If the start light goes off during boost, it means the jumper cables aren't connected well. Check and secure the clamps before restarting the vehicle.

LED Light Mode Switching

  1. After pressing and holding the power button for 2 seconds, short press the power button to activate the LED light function.
    LED Light Mode Switching - Step 1
  2. Short presses will cycle through different lighting modes: steady, white strobe, SOS. (Include visual indicators)
    LED Light Mode Switching - Step 2

Tip:
LED flashlights cannot be used without turning on the device.

Charging Mobile Devices/Tablets/etc

  1. Connect the USB plug of the adapter cable to the main unit's USB-A/USB-C output port.
    Charging Mobile Devices/Tablets - Step 1
  2. Connect the charging adapter to your mobile device/tablet or other electronic products.
    Charging Mobile Devices/Tablets - Step 2
  3. Press and hold the power button for 2 seconds to turn on the device and initiate charging for your mobile device/tablet.
    Charging Mobile Devices/Tablets - Step 3

Tip:
Charging is only possible when the device is turned on.

Charging the Product Main Unit

  1. Plug the provided fast charger or a compatible charger into a power outlet.
    Charging the Product Main Unit - Step 1
  2. Insert the plug of the fast charger or a household charger into the USB-C input port of the MegaVolt24 main unit.
    Charging the Product Main Unit - Step 2

* It is recommended to use the provided cable.

Automatic Shutdown Mechanism:
To preserve the startup power source, we have implemented an automatic shutdown mechanism during prolonged periods of inactivity.

  1. In the case of the light being turned on, the system will automatically shut down after 4 hours.
  2. If the light is not in use, the system will automatically shut down after 2 minutes of standby.

Automatic Power-on Mechanism:
When switched off and the MagaVolt24 and your car are connected normally, the MagaVolt24 will automatically turn on.

Technical Specifications

Model MegaVolt24 Battery Capacity 88.8WH/
24000mAh
Starting Current 1000A Peak Current 4000A
USB-C Input/Output PD65W(5V/3A, 9V/3A, 12V/3A, 15V/3A /, 20V/3.25A)
USB-A Output QC3.0 18W (5V/3A, 9V/2A, 12V/1.5A)
Operating Temperature -20℃ ~ 60℃ / -4℉ ~140℉
Full Charge Time Approximately
1.5-2 hours
Weight 2.9lb
Dimensions (L*W*H) 9.33 x 3.86 x 1.5inches

Frequently Asked Questions

  • How to turn off the unit

Press and hold the power button for 2 seconds to power off, or it will automatically shut down after 2 minutes of standby.

  • How long does it take to charge the MegaVolt24 main unit?
    You can use the provided 65W fast charger for charging, and it takes only 1.5 hours to charge the MegaVolt24.
  • Does this unit come with a charger for the jump starter? Is the USB-C port Power Delivery, and if so, what's the wattage?
    Yes, MegaVolt24 includes a 65W fast charger with a USB-A output port and a 65W Power Delivery port. You can use it to charge any electronic device.
  • How many times can the unit start a car

It can consecutively start a car approximately 40 times.

  • What is the lifespan of the product

Under normal usage conditions, it can last 3-5 years.

  • If MegaVolt24 is fully charged but not in use, how long can it still start a car?
    The circuit design of MegaVolt24 is scientifically engineered. It can be stored for 6-12 months without use, but for an extended lifespan, it is recommended to charge it every 3 months.
  • How to know if MegaVolt24 is charging when plugged in?
    MegaVolt24 comes with an LED screen that displays the charging status.
  • What is the maximum and minimum temperature that this jumper cable can withstand? Can I leave it in my car during both summer and winter?
    The jump starter can be stored between -20°C to 60°C / -4℉ to 140℉, allowing you to leave it in your car during both summer and winter without any issues.
  • What is the best way to stow this item

MegaVolt24 comes with a carrying bag. You can conveniently store it in this bag for easy use and portability.

Troubleshooting

LED Display Reason Operation

Display in red

Jumper cables connected with reversed polarity to the car Connect the battery clamps to the correct positive and negative terminals

Display in yellow

Correctly connected car battery, but battery voltage is below 9V, and the core temperature is above 0℃/32℉ BOOST button for 2 seconds to use the forced boot function

OUT&IN flashing

High-temperature protection activated, displaying core temperature overheating When the core temperature reaches 55°C/131℉, the product activates temperature protection. Once the temperature drops to 45°C/113℉, it can resume output

IN flashing

Low-temperature protection activated, displaying core temperature too low When the core temperature drops below -20°C/-4℉, the product activates temperature protection. It can resume output when the temperature rises to 0°C-3°C/32℉-37.4℉

Start flashing

Buzzer sounding, silence after 30 seconds Overcurrent detected, stop starting vehicle, disappear for 30S
Within 10 minutes, if the vehicle is started more than 4 times, the buzzer will sound, and after 30 seconds, the buzzer will be silenced. The 'START' will continue to flash Stop starting the vehicle, the safety mode will disappear after 10 minutes

Customer Service Center

If you have any problems with the function or installation, please feel free to reach us.

Help Center

WhatsApp

Social Media

For more information:
contact@wolfbox.com
www.wolfbox.com
https://wolfbox.com/contact-us

Check us out here!
We have professional customer service!
Email: service.wolfbox@gmail.com
Phone: +1 888 296 8399
www.wolfbox.com

Documents / Resources

References

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download Wolfbox MegaVolt24 Manual

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