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Posted

Our booster pac / jump box just died on us. We have had it for about 2 years and it no longer holds a charge. Trying to get an idea if 2 years is the normal shelf life for jump boxes. Does anyone have any specific brand/model recommendations for jump boxes that have worked well and lasted a long time?

Posted

I gave up on jump boxes. Mine all died way too soon. I built my own with a little dolly fitted it with jumper cables and a battery connection on the floor end. I put a stock battery on it and swap it out every few weeks.

Posted

In Alaska we need some some serious cold cranking amps, and -40 booster packs die fast. what we have now is optima blue top batteries with a trickle charger taped to the side of them and a quick connect for a set of jumper cables that will connect to the batteries, and the shop truck.

Posted

I have two - jnc660 and jnc990. Blue and red jump n carry units. My blue jnc660 is going on 6 years, I keep it plugged in now when not in use. The jnc 990 is big red, its heavy but will crank multiple vehicles no matter how dead. These guys don't have flashlights or air compressors. If you don't need to jump diesel trucks the jnc660 will be a better choice, its cheaper and more importantly a lot lighter.

Posted

I have two - jnc660 and jnc990. Blue and red jump n carry units. My blue jnc660 is going on 6 years, I keep it plugged in now when not in use. The jnc 990 is big red, its heavy but will crank multiple vehicles no matter how dead. These guys don't have flashlights or air compressors. If you don't need to jump diesel trucks the jnc660 will be a better choice, its cheaper and more importantly a lot lighter.

Have you had to replace the battery?

Posted (edited)

I have a JNC blue unit as well. But I also have two of the super small lithium ion battery jump packs. They seriously work and fit in your back pocket! They have been able to jump start a V8 gasser with no issues. Seriously cool.

Something like this:

 

54088_3.jpg

Edited by ajnealey
Posted

Yea, freezing temps might be tough.

 

John Pearson, I haven't tested it for that long to know how long it can crank an engine over. So for a no start vehicle that needs repeated turning over, it's hard to say.

 

AJ

Posted

I haven't replaced the batteries in mine. I also have an allstart boost mini unit, it starts dead cars too, but the cable gets red hot. I mostly use it to charge my phone and tablet. Its bizarre how the little unit can start a car, it weighs 8oz.

 

Also, correction the red unit is a jnc950

Posted

I have a Matco MJS3500. It has a small motorcycle battery, which is serviceable. Lasted me 2 years, and I replaced it with a lithium equivalent. Been going strong now for 3 yrs with that.

 

I also have a mini jumper. Works great in a pinch, and very versatile with adapters to charge phones, computers, etc. my only gripe with it, is the included jumper cables are very, very cheap, and will eventually break with the daily grind. Cables are not cheap either 30 bucks. It's a good back up or emergency booster, but not for daily use.

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  • Have you checked out Joe's Latest Blog?

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      It always amazes me when I hear about a technician who quits one repair shop to go work at another shop for less money. I know you have heard of this too, and you’ve probably asked yourself, “Can this be true? And Why?” The answer rests within the culture of the company. More specifically, the boss, manager, or a toxic work environment literally pushed the technician out the door.
      While money and benefits tend to attract people to a company, it won’t keep them there. When a technician begins to look over the fence for greener grass, that is usually a sign that something is wrong within the workplace. It also means that his or her heart is probably already gone. If the issue is not resolved, no amount of money will keep that technician for the long term. The heart is always the first to leave. The last thing that leaves is the technician’s toolbox.
      Shop owners: Focus more on employee retention than acquisition. This is not to say that you should not be constantly recruiting. You should. What it does means is that once you hire someone, your job isn’t over, that’s when it begins. Get to know your technicians. Build strong relationships. Have frequent one-on-ones. Engage in meaningful conversation. Find what truly motivates your technicians. You may be surprised that while money is a motivator, it’s usually not the prime motivator.
      One last thing; the cost of technician turnover can be financially devastating. It also affects shop morale. Do all you can to create a workplace where technicians feel they are respected, recognized, and know that their work contributes to the overall success of the company. This will lead to improved morale and team spirit. Remember, when you see a technician’s toolbox rolling out of the bay on its way to another shop, the heart was most likely gone long before that.
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