Those batteries that are sitting on the shelf below the unit are external batteries. They are 12Ah batteries from wheelchairs. They were too big to fit inside the external battery case. There are also (5) 5Ah batteries inside the unit shown in the first picture.
Opera;
I am curious how I may boost 48 volts easily to this level. I probably would have to chop the 48 volts, transform it up to what I need, and rectify it. Right? Most of the invertors that people use do this to bring the incoming DC up to a level that will make the peak value of the output waveform.
As said by someone earlier, it is probably not worth messing with this UPS to make it generally useful in a RE system. I will probably keep it like it is, as a backup power supply to keep wifey's O2 concentrator running long enough for me to get generator running. I have other MSW inverters that I use commonly for other things.
