A:AnswerIt comes with jumper cables and also it is capable of jumping your vehicle twice on a full battery, I literally had to you use it twice with in an hour on my work vehicle.
A:AnswerIt should, it says capable of 400amp surge.
There's no direct way to convert maH to CCA but should deliver enough juice to start most gas motors.
A twin battery diesel would be a different story.
A:AnswerYou would charge it the same way you would your phone, it takes a Samsung type cable and it comes with it. It will hold a charge for at least a month.