Tried to jump two cars and did not work, but when I hooked up regular jumper cables from from another vehicle it worked just fine. Also the USB port would shut off when only charging my phone....all the time!!!

Not sure yet , first time I used it didn't start My truck had to call road side service and all I needed was a simple jump start which is way I purchased this, but I am going to give it another chance, and yes I did have it fully charged.

I especially was impressed with the ability to program in the tire PSI so I could go from tire to tire and it would automatically put just that much air in each. Nice!

This went beyind what we expected..A completely dead truck battery and afterbwe charedbthe Stanley- connected it to truck battery and wallah it started right up. ✅

Worked once. After the first day, even with over 70% battery remaining it wouldn’t stay on for more than a few seconds at a time. I returned it for a refund.

Battery keeps failing - this is the 3rd unit since last August- it only has to run long enough to fill 4 tires then it since and is charged until the next full about say 6 weeks later - but twice now the battery failed the unit would no longer run.

I bought the unit new and it died while inflating the 2nd tire. The tires were only 35 PSI so it should have been easy. It started sputtering and grinding and no longer produced air. I took it back the next day. Would not recommend!

This is a great machine for anyone who drives. I have used this to help others and on my own vehicle. We’ve even bought one for our daughter as a birthday gift.

It's cheap enough on sales that after the first one broke after a few months, I bought another one. Poor power, air compressor breaks fast, it is really not worth even the sale price.

What marketing genius at Stanley made the decision to not include the power cord required to charge the unit which is required before use. Idiots! Don't buy this product.