I first started using Booster Packs / Jumper Boxes a few years ago and now I kinda rely on them.   If you have a car with a questionable battery / charging, or just simply need to fire up a car that has been sitting for a year, they are handy.  Heck I even haul them in the house and plug in my 110v inverter into them to power laptops, cell phones and such in a power outage.

This was a thread I had on Pennocks, asking about a replacement fuse.  I have since gotten the issue worked out, but I thought a few people on here might want to see what the inside of a jumper box looks like.

About 2 years ago my proud Delco booster box quit while trying to jump a fellow Fiero owners car.  I figured it must be dead.  So I brought it home and put it onto charge, oddly enough the charge light wouldn't come on. I tried a different charger thinking, that must be why the box is dead, the charger is shot.  So I find another charger and it still wont charge.   I go and grab a volt meter, and the charger is good.  I look all all over hell on the outside for a fuse and there isn't one.  So I toss the box aside and end up getting another one this time a Black and Decker one. 

Fast Forward 2 years. 

I was board one night, so I went out to the garage and started cleaning up.   Sure enough I find the old Delco box under a pile of junk and almost gave it the heave ho out the door into the trash, but I figured what the hell its already dead, how much worse could I make it by taking it apart.   I yank it apart, and sure enough there is a giant copper fuse that goes between the positive terminal and the on off switch.  It was riveted together than shrink wrapped over and bolted in place.  I yarded it out, and attempted to bridge the burnt copper contacts back together fail horribly, as soon as I tried to re-install the fuse the solder joint would break.  I was about ready to just grab a wire and 2 eyelets and use that to bridge the connection, then I took a closer look at it, and the fuse bridge was male to female, all I had to do was take the positive battery lead and attach it directly to the On / Off switch.   I know I am going to have to be double careful about shorting it out or hooking it up backwards, but I'll take the busted fuse to a couple shops and see if they can get a new one like it. 

I don't exactly understand the ratings on the battery, all I do know is that it had no problem starting up a Fiero with a completely dead battery.    I mean parking lights left on over night dead.

Well here are the pics,

It has got lots of stuff built right in, power inflater, and power deflater to suck the air out of kids toys when its time to go home.
260psi rated air compressor, (Which admittedly is a joke, Just trying to get 30-40psi into a flat tire takes 15 mins
Really nice detachable Light in the top.
12v power outlet, great for charging cell phones at a camp site.

The Guts

The compressor

The power inflater.  You see that one large cable that looks like got bent a bit too much, that is the one that had the in-line fuse, I just kinda tweaked it around so I could bolt it down to the stud.  I say again, this is not how I am going to leave it permanently, I really just did it to verify the booster box was still functional.

Battery Specs, I had to peal off the padding.

Busted fuse, I had to pry the rivets apart, it was bolted in the case, with rivets around the fuse and then heat shrink tube around the rivets.  If I have to give it one thing they made that thing as solid as a rock.