Reconditioning a car battery can be a labor-intensive process. However, if funds are tight, the hard work might be worth the savings. Lead acid batteries that are allowed to go dead suffer from a condition where there is buildup on the plates. Through pulsed charging, you may be able to break up the deposits and thereby breathe new life into your battery. This website has more information:
. www.wisegeek.com/what-is-a-battery-conditioner.htm.