hey,I have a advanced machine co. 36 volt charger model#12050. Is anyone familliar with this charger,can i use it. The input:120Vac 60hz 11amps output:36Vdc 20amps. In my cart I am running pro master gc-10,they are new dont want to f-em up. also i dont know what the charger is suppose to do,I plugged it in and it read 18 amps,should it stay @18 amps or go down. The output on the charger is 40.3amps on my tester,am I good to go? by the way its a 1984 ds, thanks vinny