Why Is My Schumacher Battery Charger Not Working. All the Schumacher batteries have a standard design in which they are set to working automatically. If your battery jump starter has a charge indicator light make sure it is coming on.
Well we see that all batteries have a shelf life including the one in your jump box. In this case it will almost always be a battery issue. Why does my schumacher se5212a battery charger only put out 89 volts ive cleaned it out good but it made no difference.
The voltage will drop as soon as the charger shuts down turning the charger back on.
Allow the charging to continue for up to 20 minutes if the charger makes clicking noises. The charger will try to bring the good cells up to a higher voltage than they were designed to be in order to. Schumacher battery chargers are designed to work automatically however issues can include the meter not working noises and the charger not turning on. Some of the more common floating chargers for vehicle or other battery maintenance have threshhold voltages between 8 and 11 volts.
