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Based in the United States, Stanley Fatmax is a well known manufacturer that produces a wide variety of tools. Some of the tools they make are Automotive tools, and this is where we find the Stanley Fatmax J7CS. The Stanley J7CS jump starter is a mid-range option that’s got 700 peak amps, and 350 instant amps to use when not so much power is needed. It also comes fitted with a 120 PSI air compressor that adds to its value, and at 10.6 pounds, it’s light enough to be moved around without too much hassle. The battery charger exists as the middle-of-the-line choice between two other choices from Stanley, making it an ideal pick for buyers that don’t want to spend too much money and still get a good amount of value. Go ahead and read through this review to see if it’s the best jump starter for you.


The Stanley Fatmax J7CS is a two-in one jump starter that can take care of your car battery as well as your tires, making it great for users who don’t want to have too many tools at the back of their trunk. It comes with a tire inflator so that you always have your tires in check, and a reverse polarity alarm in case you get the terminals switched up.

  • Includes an air compressor
  • 3 USB port outlets
  • Reverse polarity alarm
  • Long charging time


The J7CS jump starter offers a convenient choice for drivers who wouldn’t want to buy a battery charger and an air compressor as two separate items. The J7CS will allow you to jump start your car battery whenever it starts to act up, and also doubles as a tire inflator so that your tires never run flat – something you’ll not get with the Clore Automotive Jump-N-Carry JNC660. If you have a couple of gadgets that have run out of power, the 3 USB ports that the Fatmax J7CS jump starter comes with should be able to act as a portable power source to reboot your accessories.


Compared to the NOCO Boost Plus GB40 Jump Starter, the J7CS takes on a very ergonomic design with its front featuring the jump starter, and on it’s back side, an air compressor. The handle makes carrying it around a breeze, and the 120-degree pivoting LED light helps get you a clear view of whatever you’re doing at night. On the jump starter’s dashboard you’ll find its 3 USB ports, LED battery level indicators, a reverse polarity indicator, and the jump-starter power switch. Turn the jump starter around and you’ll see the 12 Volt DC charging port, the air compressor switch & nozzle, and the illuminated pressure gauge.


The biggest advantages of this 700 amp jump starter are of course the multi USB port selection that it comes with, as well as the air compressor that you can use to inflate your tires. In case you get the terminals mixed up when clamping, the J7CS will sound a reverse polarity alarm to alert you, but it doesn’t have a voltmeter which is present on the BEATIT G18 Jump Starter. The on-board power switch helps make sure that the clamps are powered only when you’re ready, and immediately after use, the manufacturer advises that users should charge it for 24 hours for it to get back to peak battery capacity.


The Stanley Fatmax J7CS is an ideal jump starter that’s got a lot of customer reviews on Amazon. You might want to check them out just so you know what to expect.

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Kenn Muguna

Kenn is a writer that's fascinated by all things tech. Having been born curious about how everything works, he spends his time taking things apart to put them back together, and shares what he finds out through writing.

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