l just picked up a crown ctacker model w2t-90-s serial l-8295 and lm looking for information on it it did not come with a charger it has a sticker of 24volts so l bought one automotive style it can charge 12 -24 volts l than checked the batteries there 4 6 volt batteries which would make up the 24 volts listed but when l measured the batteries the most l could come up with is 12 volts lm just looking for general info on this unit like specs and a wiring schematic was told this was an old unit but l dont know how old it is thanks in advance for any help Dan