So I purchased this a while back. Used it maybe 4 times. The LED stopped working after 4 months and the USB does not stay powered. At full charge I only get 6.7V now. This was good at first but for the price, you'd expect it to function for more than a couple months. Waste of money in my opinion.

This is my second unit.I’ve used this so many times to open the slides on my RV when the house battery went dead.Jumped many cars and diesel trucks.It goes everywhere with me when I’m traveling.I’ve used it when camping as back up battery.I wouldn’t be without it.

Used daily in our auto repair shop. Hasn’t given once ounce of trouble. Would highly recommend!!

I purchased this product 2 years ago. I have used it with my camper, boat, ATV and even to start my Deisel Truck. It performs exactly as expected. It may not be the lightest, smallest or easiest to carry around but if you are looking for a product you can count on, I believe this is it.

it work great for a long time but than all or a sudden it stopped working properly.

Due to my own experience I believe the Jump-N-Carry JNC770R battery jump starter is the best, most essential tool for your car! My story ... due to a disability, I seldom drive my car but once every two weeks, so the battery is constantly drained and I am constantly having to jump start my battery. This charger has enough power to jump start my battery, in any condition, even if the battery is totally dead. The jump charger itself, stays charged for a very long time through many jump charges without having to recharge it! Another real cool feature is the long commercial grade jumper cables, heavy duty commercial grade clamps and very long standby jump start charge. I can set the unit in my car, connect the terminals, flip the switch and the standby power stays on for several minutes, giving me ample time to maneuver my wheelchair into position to get into the seat to turn on the ignition. The Jump-N-Carry JNC770R battery jump starter is one of the most heavy duty units, long lasting standby charge, dependable, easy to use essential tools for your vehicle. I would buy one for each vehicle I owned and keep it in the trunk. I give it 5 stars across the board!

the plastic cover was very stong!

Great jumpboxes. I'm his is my third one had the blue which worked great and then the yellow which is still working (and has the built in air pump but the hose sticks out so not as sturdy) and now I have the red. This one is just right. I use a portable DeWalt air pump which is fantastic.The JNC jump boxes are dependable and the charge does last several weeks/months. Just check it routinely and keep it charged up and ready to go!

Great quality and packaging. Must have till for the wife or kids car

Best portable jump starter on the market in my opinion...... I have had a bunch of them. Not to mention REPLACABLE BATTERY!

His coworker dropped it and it didn't break! He doesn't have to charge it very often at all. It's a great addition to his tools for the job.

Works great

A quality product made in the U.S.A., not China.

Liked the longer cables but we had the cheaper version of this and it lasted years. This one only 7 months!!

Works great

The best thing about this Jump Starter, You can replace the internal battery with an off the shelf battery. This in one top of the line piece of rescue gear. I will be buying another soon.

Had a dead battery on a Q7 that wouldn't start with our old jumper and even another Q7. Our roadside assistance came and finally jumped it using this exact model. Immediately bought this and never looked back. Does a good job charging phones and handheld vacuums too. Strongly recommend

My old jumper pack took a crap on me and I was in need of another one. I wasn't Ready to purchase another Snapon one so I took a chance on this one. I was highly impressed on how easily it started my 2500 HD Diesel pickup truck.

This unit is great! Plenty of power. Started an 1998 Infinity SUV that had been sitting for months with a totally dead battery.Would definitely recommend.

This is my 3rd from this maker. My first was the 660...it was a beast until it vanished into thin air. The second one was this model here (which again, I LOVE, and this one did the same exact thing except for this time it was on camera no matter how many times i go back on the footage i cant seem to find who could have grabbed it!!! Buy at your own risk because it WILL disappear on you. Best of luck!!!!