Im not 100% sure to be honest on any changes. I know guys who had the first versions and they didnt last the year.
Personally, I think they are a great back up if the power goes on the job and you still need to work. I certainly wouldnt be chucking away the Eibenstock
Wires crossed here i think
@Tom81 and @Plasterers1StopShop
Look at post 17 on this thread.
I think Ryan has been on about the battery version not the R1800