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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
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Customers are saying

Customers commend the product for its reliable overall performance and exceptional ease of use. Users frequently highlight the fast charging speed and long-lasting battery life as standout features. Additionally, the compact size makes it ideal for smaller vehicles, while the integrated flashlight provides extra utility.

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 132 reviews

5 star rating. 121 reviews4 star rating. 6 reviews3 star rating. 1 review1 star rating. 4 reviews
97% would recommend to a friend
Customers are sayingCustomers commend the product for its reliable overall performance and exceptional ease of use. Users frequently highlight the fast charging speed and long-lasting battery life as standout features. Additionally, the compact size makes it ideal for smaller vehicles, while the integrated flashlight provides extra utility.
This summary was generated by AI based on customer reviews.
  • Overall Performance (44)
  • 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

See all customer reviews

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WOLFBOX - 4000A Portable Car Jump Starter - 88.8Wh Battery Booster for Up to 10.0L Gas & Diesel Engines, 65W PD Fast Charging
Not Yet Reviewed

WOLFBOX MV24 Rose Gold is a 12V portable emergency jump starter, with a 4000A peak current and an 88.8Wh lithium-ion battery, can jump-start gasoline and diesel engines with a displacement of up to 10 liters. The integrated LCD screen provides real-time monitoring of the remaining power and operational status, ensuring the user has full control during the jump-starting process. In addition to its primary function, this jump starter can also serves as a high-speed power bank. It features a 65W two-way USB-C port that can fully recharge the unit in about 1.3 hours and provide emergency power to laptops, tablets, and smartphones. Built for versatility, it includes a multi-mode LED light for night-time emergencies and can be an emergacy booster to operate in extreme temperatures ranging from -4°F to 140°F. This car Jump starter comes with a dedicated EVA storage case and heavy-duty battery clamps for immediate use, designed to provide a reliable solution for vehicle battery failures in cars, SUVs, trucks, and boats.

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, Air Compressor, PortabilityOverall PerformanceThere 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

  • What is the warranty?

    Thank you for your inquiry. This product comes with a two-year warranty.

    Answered by WOLFBOX

  • What kind of a,wall charger do you need to charge tge wolfbox with it didn't come with one and can't find a wolfbox one 🤔

    Thank you for your inquiry. We recommend using any standard 65W charger you have at home to charge the device.

    Answered by WOLFBOX
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