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Black & Decker J752BCB 750 Peak Amp Jump Starter with Built-In 2 Amp Battery Maintainer

3.9 out of 5 stars 594 customer reviews

List Price: $89.99
Price: $63.74 & FREE Shipping. Details
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750 Peak Amp with Maintainer
  • Enter your model number above to make sure this fits.
  • 750 peak battery amps with 375 instant starting amps to jump start a wide range of vehicle sizes
  • Built in 2 amp battery charger/maintainer
  • Visual and audible reverse polarity alarm warns against improper battery connections
  • #5 AWG cables and metal clamps for optimum power transfer
  • Internal charging cube for use with household extension cord
See more product details
5 new from $62.47
$63.74 & FREE Shipping. Details Only 4 left in stock (more on the way). Ships from and sold by Amazon.com. Gift-wrap available.


Product Information

Size:750 Peak Amp with Maintainer

Technical Details

Brand BLACK+DECKER
Item Weight 11.2 pounds
Product Dimensions 10.3 x 9.6 x 8.6 inches
Origin China
Item model number J752BCB
Manufacturer Part Number J752BCB
Folding No

Technical Specification

Additional Information

ASIN B00HWL4NTY
Customer Reviews
3.9 out of 5 stars 594 customer reviews

3.9 out of 5 stars
Best Sellers Rank #284,573 in Automotive (See top 100)
#320 in Automotive > Tools & Equipment > Jump Starters, Battery Chargers & Portable Power > Jump Starters
#2,033 in Automotive > Replacement Parts > Batteries & Accessories
Shipping Weight 11.2 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available January 17, 2014

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Size: 1000 Peak Amp with Compressor
So far this unit has performed well. I used it to jump-start a raggedy old farm tractor, and the little box seems to have an impressive amount of cranking power (for short bursts, anyway).

I like the layout of the controls and indicators. Clear, easy to read, easy to access. I'd prefer to see the jumper cables stowed in a sealed compartment, but they seem pretty secure. Keep the clamps clean, and there shouldn't be any issues storing this in a car.

I've used the inflator twice to inflate a car and a truck tire. Takes awhile to get a tire up to pressure, but not bad for a tiny compressor. It should be adequate as an emergency air source.

Storage for the hose is cheesy. It's stuffed into a tiny compartment, and you have to really kink the hose to stow it. The maximum length of the hose is about 2 feet, which may a problem with taller tires. Honestly, the inflator comes across as a cheap add-on gimmick.

A major gripe I have is that unit has no provision for backup power. Depending on how long the battery remains charged in storage, it may lack the juice to power the unit in an emergency. Why couldn't B&D include a 12V cigarette adaptor? This could be used to run the inflator, or charge the battery when no AC power is available. For a unit that's supposed to be a piece of emergency gear, this seems like a glaring oversight. Could have been a five-star rating if not for that issue.

Overall, I'm pleased with this purchase. For under 100 bucks, It's not a bad choice.

UPDATE: 12 Jan 2010
The inflator died on me, with less than 4 hours total runtime. The motor was cranking away, but there was no air pressure. Brought it to a B&D service center, and paid $15 to have a new one shipped to my home.
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5 Comments 161 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 1000 Peak Amp Power Station
I purchased this unit from Home Depot rather than Amazon, but I wish I had known Amazon carried it - it's cheaper here!

Anyway, I just wanted to speak to a few things that people have mentioned in their reviews. Some asked about the amp-hour rating of the battery, others criticized it for not holding a charge for a long period of time, still others apparently were unhappy that it didn't fulfill their expectations after they tried to use it without following the manufacturer's instructions!

Okay, what is the amp-hour rating? Don't worry about it - for jump-starting. Amp-hour ratings are essentially meaningless for this purpose. What is more important for jump-starting is the peak ampere output. This unit is rated at 900 amps peak, so it should be adequate for jumping almost everything but those vehicles with large V-8 gas or diesel engines, and, with proper technique, it may even suffice for those!

So what is "proper technique"? Well, you have to keep some basic electrical facts in mind. When you turn he ignition key to the "Start" position and the starter first energizes, it draws a LOT of current, typically about 300 to 400 amps for "average" cars, and more for larger ones. (Small cars with smaller engines will draw somewhat less.) The relatively small battery in this unit is designed to deliver surprisingly high power for its size, but there are limits imposed by the internal construction of the battery, and the size of the various connections within the power pack itself.

So, you try to start your car, and discover you left the headlights on last night. You grab your handy-dandy little jump-starter and connect it the way the instructions say to: e.g.
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21 Comments 272 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Size: 1000 Peak Amp with Compressor Verified Purchase
This review is for the Black & Decker JUS500IB 500 Amp Jump Starter with Inflator

I received this last week, plugged it in to charge the battery, and planned to leave it in the garage. I wasn't planning on writing a review until I used it, until this morning when I needed jump-start my car because "someone" left the lights on overnight. Sure enough, I put this baby to work immediately and the engine started (no surprise there).

What I was surprised about was that I needed to connect both the positive and negative to their respective terminals. At first, I connected the negative clamp to the chasis (like how I would normally jump a car), but my car would not start. I tried several places along the non-painted metal frame part and even the engine block of the dead car to no avail. As a last resort, I connected it to the bolt of the negative post (while wearing eye protection), and the car started. I know this is a no-no, but nothing else worked, and I needed to go to work. I'll troubleshoot at a later time (or most likely never). UPDATE: I've since used this on various automobiles (including the problematic car described above), and connecting the negative clamp to the chasis works perfectly fine now. I'm not sure what happened since, but now it is working fine following the proper useage.

Now, I keep it in the trunk, just in case. It has a nice compact body, so it does not take up much space. I like the light on the unit, but it is also a bit awkward to use (it points UP, rather than down), so I had to hold the unit upside down to see what I was doing.
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5 Comments 58 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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