Bolt Power® K3 Mini Portable 400 Amp Car Jump Starter Review

Bolt Power® K3 Mini Portable 400 Amp Car Jump StarterNow comes the Bolt Power® K3 Mini Portable 400 Amp Car Jump Starter and power pack.  In spite of our uncanny ability to keep one foot planted firmly in the past, time relentlessly marches on.  What in the world does that mean?  Products continue to evolve, shrink and improve whether we notice it or not.  This review of the Bolt K3 Mini is a perfect example of that.  We will try to give you our unbiased opinion of this incredibly powerful little powerpack as well as offer our verdict.

Buy The Bolt Power® K3 Mini Portable 400 Amp Car Jump Starter Power Bank With 12,000mAh – Emergency Auto Heavy Duty Jump Starter


What Are The Features Of The Bolt K3 Emergency Auto Jump Starter?

  • Portable battery charger with charging adapters for all major electronic devices
  • Compact car jump starter that can jump start your car 20 times on a full charge
  • Ultra-bright LED flash light, strobe light, and SOS signal light that lasts 120 hours
  • Built-in protection features: over current protection; short circuit protection; overload protection; over-voltage protection; over-charge protection
  • Portable compact design that will easily fit in your pocket, backpack, or glove box for convenience

Probably the first place to start is size.  What good is a super powerful charging device if it is too big to carry along?  The Bolt Power K3 Portable Jump Starter measures just 7.2 x 1.7 x 3.3 inches and weighs 13.8 ounces.  That is why it is called a mini car jump starter.  You can leave it in your glove compartment for an emergency or use it to charge a tablet and/ or phone while traveling.

Buy The Bolt Power® K3 Mini Portable 400 Amp Car Jump Starter Power Bank With 12,000mAh – Emergency Auto Heavy Duty Jump Starter

You can also throw it in a backpack and be assured that your devices will have enough battery to last for a day or week hike.  You never know when you will have an emergency in back country and need to call or use the included flashlight to signal.  There is also an SOS signal light that lasts up to 120 hours.  This could be a life saver.

There are also several protection features built in.  You have over current, short circuit, overload, over charge and reverse polarity protection built in.  As far as we are concerned, the more built in features that are designed to protect us from ourselves is a bonus.

Watch our live Hangout review:


Buy The Bolt Power® K3 Mini Portable 400 Amp Car Jump Starter Power Bank With 12,000mAh – Emergency Auto Heavy Duty Jump Starter

How Does The Bolt K3 Battery Jump Starter Perform?

In reality, performance is what matters.  You can have a great design and features but without real world performance, what is the point?  There are currently 73 customer reviews on the Amazon website (see linBolt Power® K3 Mini Portable 400 Amp Car Jump Starter3ks below).  There are 68 that give a 5 star review.  That is incredible and makes our job at pretty easy.

The Bolt Power comes with everything you need to charge or jump start your car as well as accessory adapters that will fit most portable devices.  There are 2 USB ports so you can charge multiple devices at the same time.  It also has an available slick carrying case to hold everything.

So What Is The  Verdict On TheK3 Mini Portable 400 Amp Car Jump Starter?

If you have read this far, you can guess the answer to that question.  We normally throw in a few hints along the way.  In this case, it should be obvious that we love the Bolt Power mini portable charger/ powerpack.  You should pick one up and keep it in your glove compartment for emergencies.  Our guess is that you will end up finding myriad uses for it.  You can thank us later!

You may also want to read about a similar jump starter at PowerAll Rosso Red/Black Portable Power Bank and Car Jump Starter.

What do buyers say?

by Kyle

The device can fully charge your cell phone, tablet, or reader within an hour, and it actually comes with connector accessories for an iPhone 4, an iPhone 5, as well as a Micro USB cable, a Mini USB cable, and a PSP cable. The battery also comes with an AC to DC wall adapter charger (for charging through a wall outlet) and a DC charger (for charging through the car). The instructions say to only use the enclosed chargers to charge the device to avoid the risk of damaging the product.
Most importantly, the battery can actually jump start your car–which I think is pretty amazing… Read more

by Brye Jamese

I’ve owned this jump starter for 2 months now and have used it successfully three times. Yesterday the battery in my 2007 GT was low and I couldn’t start it. I connected this little power bank to the battery and turned over the 4.6L engine and it purred back to life. It worked flawlessly and undoubtedly proved it’s value and efficiency… Read more



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