Battery Power for Professionals. Switch from the leaf blower to the hedge trimmer and simply take the battery with you. Any batteries in the 36 V class are suitable for all machines in the Karcher Outdoor Power Equipment range. This means you are always immediately ready to work. You achieve the best results for every job with the high performance and durability of the Karcher battery powered machines. And you work ergonomically and comfortably with low noise. This is Karcher quality for the highest demands. Precisely the right machines for all professional garden maintenance work.