Is easy to use and lightweight and is the ideal entry-level professional unit. The JNC660 combines power and ease-of-use in a durable, reliable unit. With a built-in charger, convenient battery status gauge, impact resistant case and 1700 Peak Amps of starting power, it meets a variety of shop needs. The internal battery is a sealed lead acid (AGM) battery with a self contained 500mA charger. Weights 18 pounds.
If you can’t start your car or truck with this thing, you have bigger problems than a dead battery! This unit is one of the most powerful portable battery jumpers out there at 1700 peak amps. That’s almost twice as powerful as many other lower quality competitors.
This is not a “multi-purpose” unit that you will find at the local big box store. It’s not an air compressor, radio, flashlight, food processor and battery jumper. It’s only a battery jumper, although it does have a “cigarette-lighter” style socket to power other items if needed.
This is a great product, but consider this before you buy it: This model may not be for everyone. This is a professional grade item and is not intended to be used by people unfamiliar with proper battery jumping procedures. Here’s why I say this:
1. Some battery jumping devices have a feature that will alert you if you hook the jumper cables up incorrectly. This unit has no such feature.
2. Some have safety switches that remove power to the cables while you are hooking them up. This unit has no such switch.
3. Some battery jumpers have sophisticated chargers that won’t allow you to overcharge the battery. Not this one. When you plug it in to recharge it, you can’t just walk away for 2 days and let it charge. You have to monitor it during the recharging process.
4. Some battery jumpers have a set of generic lights to tell you the current state of charge of the booster box. Not this one. It has a voltmeter on the front and you need to know how to read it.
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