[misnomer]

whoah dood, chill. We don't need to start talking about racism again (last was a three page thread). We are all mature enough and know that people are people.

Now that that's out of the way. If your system voltage jumped up when the car was on (8v to 9v), it implies your alternator is working OK. Most likely, you have a bad battery, or potentially something in the car draining the power.