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Many Years of Trusted Service

Randy Story 2023-08

“My story is nothing fancy. It’s plain and simple. For around 15 years now, I have used these JNC660 jump starters. I have 3 of them. I bought mine off of the Snap-on tool truck when I worked at Dallas Auto Repair.

I keep one in my truck at all times and I have jumped off literally hundreds of vehicles, to include farm equipment, tractor trailers and few passenger cars. I retired in 2016 and here we are in 2023. Everyone knows I carry a JNC660 and a lock out kit.

Anyway, bottom line, I have tried a couple other jump starters at the shop I worked for, some cheaper brands. But there is no better jump box to this day. Mine are nearing 10 years old and still hold good charges and still jump off vehicles.

Also, when there is a storm like we had just a month ago , where we lost power for most of a day, these jump boxes kept our phones and tablets running. I also kept my GMRS radio running too. How cool is that?”

Fargo, GA

2 Responses

    1. Frankie – Thanks for your question. The best way to check your battery is load test it through the clamps with a 100A load tester for 15 second. Does it hold its voltage above 9.5V? If so, battery is good. If you don’t have a load tester, I suggest watching it as you use it. Is it starting to lose its ability to jump start a vehicle? If so, it’s time for a new battery. The SKU page for the JNC660 ( has the manual on it for download as a PDF. The manual provides instructions for accessing and removing the batttery. Thanks again, Jim from Clore Automotive

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