I'm hoping this is the area for this. I currently have a JNC 770R but I'm looking to buy a lithium jump pack. I'll need to jump anything from a 2.5L to a 6.0L gas engine. I'm looking at the booster pack ES580 made by clore, the allstart boost max 560 and the noco gb70. Money isn't an issue between the 3, I can find them all within my price range, but specifications are all over the place. Any opinions?