C.O. Battery Voltages - EVERYWHERE

I'm interested in obtaining information on the percentage of C.O.'s worldwide that are utilizing -60VDC as their battery voltage. It is my understanding that a majority use -48VDC although some still use -60VDC. Any and all information/references would be helpful. If there are

Re: C.O. Battery Voltages - EVERYWHERE

Subject: C.O. Battery Voltages - EVERYWHERE I'm interested in obtaining information on the percentage of C.O.'s worldwide that are utilizing -60VDC as their battery voltage. It is my understanding that a majority use -48VDC although some still use -60VDC. Any and all information/references