The one they gave #1 is the worst it's one of those old fashioned Sealed Lead Acid Batteries that don't hold a charge very long, they won't even hold a full charge for a month because they recomend charging them once every month or after every use.
Good question. The Hulkman 8.5 does come with a 12v DC lighter adapter. I checked the link on Amazon for that info. Generally speaking, I've never seen a jump starter that you didn't charge in the house first. If any of the others don't come with the cig/adapter...you can always use a converter to plug in to for charging in your vehicle.
Great idea, until you need to use it in an emergency, then find out what you thought was a fully charged power bank when you set out was actually showing duff information and it fails to do the job.
