I have a Hobart Accu-Charger that during a routine evaluation of equipment shows an output of 47.5v at the battery...
It is a 36v charger, and I am accustomed to working with motor vechicles. Soooo, with 12v charging systems on cars, charge volts exceed battery voltage by just a couple in order to charge correctly.
9.5 extra volts sounds excessive to me, and I am wondering if this is standard for some chargers. I have downloaded the manual and read it twice. It shows troubleshooting and faqs for low volts, low amps, and high amps... not high volts.
Input voltages and amps measure evenly, with.1v AC getting past the diodes. The control transformer has slightly high volts running at 131v. The capacitors have not been tested yet.
Should I be worried about this charger? It is red-tagged for now, better safe than sorry. :P
Machine specs:
Model- Hobart 3R18-1500MJIC
Batt. type- LA
Cells- 18
Volts- 36
AH- 1200-1500
Max amps- 300
Input volts- 480
3 phase
23.5 amps
60 Hz
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