Jump box for dual battery 7.3 diesel
I started thinking about items I might need as a new RV’r, jump boxes came to mind. I’ve looked at a few video’s online of large diesels requiring higher amperage jump boxes when their batteries are ...
Forum Discussion
mkirsch wrote:
It's a RARE occurrence that the starting batteries on the truck are truly flat dead. No booster pack is designed for that. No jumper cables are designed for that.
These ads where they show the booster pack miraculously starting the "dead" car, the car's battery is just marginal. It still has some capacity left, just not quite enough to turn the vehicle over. When you try these on flat dead batteries, they always fail.
Guess it depends on your definition of rare. Regardless, not sure what you mean they won't start a dead flat battery.
I tested out the little Lithium one I bought for my bike. It was only a small cheap $50 800-1000A one, unhooked the battery cable on my 5.3 Chevy, cold engine, hadn't been run that day and it lit jump started it.
