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WOLFBOX - 4000A Car Battery Jump Starter, Portable Battery Booster, Fast Charger, Jump Box for 10L Gasoline and Diesel Engines

Model: JS24
SKU: 11091281

Customers are saying

Customers praise the overall performance of this product, noting that it functions exactly as described. Users frequently highlight its excellent portability and compact size, making it an ideal choice for smaller vehicles. Additionally, the device is appreciated for its fast charging speed, long-lasting battery life, and convenient included accessories like the carry case and bright flashlight.

Generated by AI based on customer reviews.

Features

  • High-Capacity Power

    High-capacity 4000A jump starter with a 24000mAh/88.8Wh battery, suitable for 12V vehicles including cars, trucks, boats, and larger vehicles.Portable Jump Starter Battery Pack(10L Gas 10L Diesel Engine)

  • HD LED Display

    This LED screen provides a clear display of all the status indicators for the portable car jump starter supply. You can easily discern the current state of your emergency power source, facilitating seamless access to all functionalities.

  • 65W USB-C Quick Charging Port

    We have 1 * 65W Type-C in/out port, and 1 * QC3.0 USB-A port, and the jump start battery pack source fully charges in just 1.3 hours. With two output ports, it quickly charges common electronic devices like phones, laptops, and iPads, making it ideal for travel or camping. You will need to purchase a PD65W fast charger separately.

  • Booster & LED Flashlight

    The booster function can assist you in starting your vehicle normally when the voltage is too low, and this jump box supply also comes equipped with an LED flashlight featuring SOS, strobe, and high-beam modes. In emergencies, it can serve as your emergency device.

  • IP64 & 10 Types Safe Protections

    The battery jumper starter portable with an IP64 protection rating, ensures the emergency power supply is resilient in harsh environments. Internally, it features 10 essential safety protections, including spark-proof, low-temperature protection, and high-temperature protection.

Specifications

  • Brand
    WOLFBOX
    Model Number
    JS24
    Product Name
    4000A Car Battery Jump Starter, Portable Battery Booster, Fast Charger, Jump Box for 10L Gasoline and Diesel Engines
    Amperage
    4000A
    Voltage
    12V
    Compatible Battery Type
    Lithium
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Reviews

Rating 4.8 out of 5 stars with 140 reviews

97% would recommend to a friend
Customers are sayingCustomers praise the overall performance of this product, noting that it functions exactly as described. Users frequently highlight its excellent portability and compact size, making it an ideal choice for smaller vehicles. Additionally, the device is appreciated for its fast charging speed, long-lasting battery life, and convenient included accessories like the carry case and bright flashlight.
This summary was generated by AI based on customer reviews.
  • Overall Performance (46)
  • Ease of Use (31)
  • Charging Speed (12)
  • Battery Life (11)
  • Size (10)

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    The Wolfbox 4000A Is A Lifesaver!

    I purchased this jump box incase of an emergency and little did I know how soon I would need it. My vehicle has a V8 engine and one morning on the way to work my car made that dreadful “CLICKING” dead battery sound. The Wolfbox 4000A had been in my trunk for weeks in the high heat and still held a 94% charge. The engine turned over like it was nothing on the first attempt and the charge only dropped to 92%. It’s so simple and easy to use. The ability to charge other devices, built in flashlight and a nice protective case makes this an extremely useful tool. I recommend keeping it in your vehicle at all times. "Dare To Go Everywhere"! It's truly a life saver!

    Posted by THREX1138

  • Rated 5 out of 5 stars

    Great portable jump starter!

    Compact, powerful, and easy to use. It quickly jump-started my vehicle and the built-in display makes it simple to monitor the battery level. I also like the USB charging feature and the included carrying case. A great emergency tool to keep in your car for peace of mind. Highly recommend.

    Posted by Cheu

  • Rated 5 out of 5 stars

    WOLFBOX -4000A CAR BATTERY JUMP STARTER

    I’m very glad I made this purchase. I keep the UGREEN Nexode 165W 20,000mAh Power Bank in my car, and it has saved me on several occasions when my phone has been used heavily throughout the day. It has become one of those devices I make sure to travel with because I know I can rely on it when I need extra power. It’s convenient, dependable, and gives me peace of mind when I’m away from an outlet for long periods of time. Definitely a trusted device and a worthwhile purchase.

    Posted by Bushmedia

  • Rated 5 out of 5 stars

    Life Saving Device

    GREAT Device to have during these CRAZY Chicago's WINTER Season...I ALREADY Used it 3 times...I will suggest this item to ALL My Family & Friends...Thks...

    Posted by NickR

  • Rated 5 out of 5 stars

    Great buy

    Seems really well built and strong, bought for emergencies.

    Posted by RLH765

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WOLFBOX - 4000A Car Battery Jump Starter, Portable Battery Booster, Fast Charger, Jump Box for 10L Gasoline and Diesel Engines
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This WOLFBOX JS24 car jump starter provides up to 4000A peak current and 24000mAh high capacity. It can safely start gas and diesel engines. Works on all (12 volt) cars, trucks, boats and large vehicles, meanwhile it is very portable. The JS24 battery jump starter works with a smart jumper clip to provide 10 safety protections to ensure safe use. The JS24 car jump starter power supply contains an LED screen that clearly displays all status indicators of the portable car jump starter power supply. You can easily identify the current status of your emergency power source and provide seamless access to all functions. This JS24 car jumper is also equipped with 1*65W Type-C input/output port and 1*QC 3.0 USB-A port, which can save 50 when charging your mobile phone, tablet, Kindle or digital camera 50% time. Tips:A 65W charging plug needs to be purchased separately.

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WOLFBOX - JS24AIR 4000A Jump Starter with Air Compressor, 12V Portable Battery Booster with 65W Fast Charging Port Jump Box

WOLFBOX 4000A Car Jump Starter is a portable emergency power solution designed for 12V vehicles, combining the functions of a car jump starter, battery jump starter, portable air compressor, and power bank in one compact device. Equipped with a 24000mAh battery and delivering up to 4000A peak current, this jump portable starter is capable of starting vehicles with up to 10L gasoline and 6L diesel engines, including cars, trucks, SUVs, boats, and other large vehicles.Designed for roadside emergencies and daily vehicle support, this car jump portable starter also functions as a battery car charger with USB-C 65W fast charging port, USB-A outputs, and upgraded 160W DC output for powering phones, laptops, tablets, and other electronic devices. The integrated air compressor supports tire inflation for pickup trucks and smaller vehicles, making it suitable for travel, outdoor activities, and emergency preparedness.(The 65W charging adapter must be purchased separately.)With a powerful 45 liter per minute (160 PSI) motor, it takes just 2 minutes 30 seconds to inflate a 315/70 R17 pickup truck tire from 30 PSI to 36 PSI, just 1 minute 20 seconds to inflate a 275/70 R17 SUV tire, and only 40 seconds to inflate a 195/65 R15 sedan tire from 29 PSI to 36 PSI, making quick work of insufficient tire pressure.Different tires charge at different speeds.Built with IP64-rated protection and 10 integrated safety protections, WOLFBOX this battery jump starter is engineered for stable operation in challenging environments, including temperatures as low as -4°F. Compact and portable, it is designed to provide reliable starting power, charging capability, and tire inflation support whenever needed.

Pros for WOLFBOX - 4000A Car Battery Jump Starter, Portable Battery Booster, Fast Charger, Jump Box for 10L Gasoline and Diesel Engines
Overall Performance, Ease of Use, Charging Speed, Battery Life, SizeBuild Quality, Portability, Air Compressor AccuracyThere were no pros for this product—There were no pros for this product—

Specs

Questions & Answers

  • how does the battery rechargeafter use?

    I usually get a lot jump per full charge. mine usually takes about 3 hours from completely dead.

    Answered by Spiffy24
  • what type of plug in to the wall outlet does it take?

    65 quick charger

    Answered by RICKJ
  • Does this work with a 1 ton Diesel?

    if your engine's starter uses less then 4000a cranking amps then yes it'll work I would imagine your engine is close to a f550 so yes it would work

    Answered by Mick
  • How long are the cables?

    Thank you for your inquiry. The black and red wires on this product are approximately 23 cm long (excluding the clips and plugs).

    Answered by WOLFBOX
  • Does this device work on riding lawnmowers?

    Thank you for your inquiry. This device was originally designed for use in vehicles with 12V electrical systems.

    Answered by WOLFBOX
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