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AVAPOW - 4000A Portable Car Jump Starter with 27800mAh Power Bank and USB QC 3.0 Fast Charging

Model: W58-B
SKU: 12684663
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AVAPOW TECHNOLOGY INC.

About this product

This portable jump starter delivers up to 4000A peak power to start all 12V vehicles including cars, trucks, SUVs, motorcycles, and diesel engines up to 10.0L in seconds. Built with a high-capacity 27800mAh battery, it also functions as a powerful emergency power bank with fast USB charging for smartphones, tablets, and other devices. Equipped with advanced safety protection and smart jumper cables, it ensures safe and reliable operation in all conditions. The compact and rugged design makes it easy to store in your vehicle for emergencies, road trips, and outdoor use, providing dependable performance whenever you need it most.

Features
  • 4000A Powerful Jump Starting Performance

    Delivers up to 4000A peak current to start all 12V gas engines and diesel engines up to 10.0L quickly and reliably, even in low battery conditions.

  • Large 27800mAh Emergency Power Bank

    Built-in high-capacity battery provides multiple jump starts and can charge smartphones, tablets, and other USB devices through fast charging ports.

  • Advanced Multi-Level Safety Protection

    Features spark-proof design, reverse polarity, over-voltage, over-current, and temperature protection with smart clamps for safe operation.

  • Compact and Road-Ready Design

    Lightweight and portable design fits easily in glove compartments or emergency kits, making it ideal for travel, roadside emergencies, and outdoor adventures.

  • Built-in LED Emergency Light

    Includes a multi-mode LED flashlight with steady, strobe, and SOS modes for nighttime breakdowns, camping, and emergency situations.

See all features
Specifications
  • Brand
    AVAPOW
    Model Number
    W58-B
    Product Name
    4000A Portable Car Jump Starter with 27800mAh Power Bank and USB QC 3.0 Fast Charging
    Amperage
    4000
    Voltage
    12
    Compatible Battery Type
    Lead acid
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Reviews

Rating 5 out of 5 stars with 1 review

5 star rating. 1 review
100% would recommend to a friend

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

    Great Portable Jump Starter

    I’ve been really impressed with the AVAPOW 4000A jump starter — it’s one of those tools you buy “just in case” and then feel genuinely relieved to have when you need it. The power is no joke: it fired up a completely dead SUV battery in seconds, and the 27,800mAh capacity means it doubles as a reliable power bank for phones, tablets, or anything that needs a quick boost through the QC 3.0 port. The build feels solid and durable, and the bright LED light is surprisingly handy for nighttime emergencies. What I appreciate most is the peace of mind — it holds a charge well, it’s easy to use even if you’re not mechanically inclined, and it’s compact enough to keep in the trunk without taking up space. Overall, it’s a dependable, high‑powered safety net for any driver.

    Posted by Denise

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Pros for AVAPOW - 4000A Portable Car Jump Starter with 27800mAh Power Bank and USB QC 3.0 Fast Charging
There were no pros for this productOverall Performance, Ease of Use, Size, Charging Speed, Battery LifePortabilityThere were no pros for this product

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