This review recounts a real-world test of the Avapow jump starter, pushed to its limits by a series of unfortunate events involving a dead four-wheeler battery, a flat tire, and a stubborn 6-liter diesel truck with completely drained batteries. Facing a triple automotive emergency, the author relied on the Avapow to get out of a very difficult situation. This review details the jump starter's performance under pressure, assessing its capabilities and highlighting both its strengths and weaknesses. From initial setup and functionality to unexpected applications, the Avapow is put through its paces.The author's experience reveals a surprisingly robust and versatile device. Despite a low initial charge, the Avapow successfully jump-started the large diesel engine, a feat that exceeded expectations. Beyond its primary function, the review explores its secondary use in powering an air compressor to inflate a flat tire – showcasing the Avapow's unexpected capabilities. This detailed review provides a comprehensive assessment of the Avapow jump starter's performance, durability, and overall value, considering both its effectiveness and any potential limitations.
Pros And Cons
- Started a 6L diesel engine with two dead batteries on a cold day with only half a charge.
- Includes USB charging ports (Type-C input, USB 1 and 2 outputs).
- Includes a DC output for powering devices like air compressors.
- Comes with a built-in light.
- Can charge computers and cell phones.
- Cables are short.
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The Initial Problem: Dead Batteries and a Flat Tire
The day began with a frustrating double whammy: a dead four-wheeler battery and a flat tire on my side-by-side. To make matters worse, my work truck, equipped with a diesel engine and two batteries, also refused to start. It was certainly one of those days.

This situation highlighted the urgent need for a reliable jump starter, prompting me to put the Avapow jump starter to the test.

The initial battery test confirmed that both truck batteries were completely dead, setting the stage for the jump starter evaluation.
Introducing the Avapow Jump Starter
The Avapow jump starter arrived in a compact and well-designed case. It includes various charging options like USB and DC, and the device is lightweight and easy to handle. I was impressed with the thoughtful design and inclusion of essential features.

A quick initial power check revealed only two bars of charge remaining, raising slight concerns about its ability to jump-start the diesel truck. Despite the low charge, I proceeded with the test.

The jump starter includes clear instructions. The jump cables are attached with clear instructions; a green light signals successful connection and a 30-second timeframe for successful operation.

Jump Starting the Diesel Truck
Despite only having two bars of charge, I attempted to jump-start the diesel truck. The process required careful connection of cables to ensure proper polarity and safety. After the green light confirmed connection, I turned the key.

Remarkably, the truck started! This was a surprisingly successful outcome, given the low charge of the Avapow jump starter and the size of the diesel engine.

The short cables were the only apparent drawback; improved cable length would enhance usability and safety.

Unexpected Bonus: Air Compressor Functionality
Spontaneously, I decided to test the Avapow jump starter's DC output with my air compressor to inflate the flat tire on my side-by-side. This was a completely unexpected feature test.

To my surprise, the Avapow jump starter successfully powered the air compressor, inflating the tire. This demonstrated versatility beyond jump-starting.

This unexpected functionality showcases the device's broader applications and usefulness in various outdoor and emergency situations.
Conclusion: A Surprisingly Powerful and Versatile Jump Starter
The Avapow jump starter exceeded my expectations. It successfully jump-started a 6L diesel engine with a low charge and even powered an air compressor, proving its impressive power and versatility.

While the short cables could be improved, the Avapow's performance, especially considering its compact size and multiple functionalities (USB charging, DC output, built-in light), make it a highly valuable tool.
Overall, I highly recommend this jump starter for anyone needing a reliable and powerful portable power source. The ability to jump-start a large diesel and inflate a tire with one device makes it an invaluable tool for outdoor enthusiasts and anyone facing unexpected automotive issues.