On 13/09/2017 19:57, John Rumm wrote:

These days you can get the 36V cordless ones (which use two 18V batts)
and they will do 1200 RPM and hit with 2.5 Joules, which is pretty much
on par for a basic 2kg mains SDS.

Yes I have to agree they're pretty good. Our Paul has one and it's
impressive. Not quite as good as my mains one though.

Bill