Gentlemen, from what I have read yes the Ketron SD-2 does have a rechargeable battery. However I would think that the power supply would negate the battery. Have you checked the power supply output? You might check it at the start and when the unit starts to act up.


Dad, how will I know when I've become an adult.

When your day is ruined because they rearranged the grocery store.

64 bit Win 10 Pro, the latest BiaB/RB, Roland Octa-Capture audio interface, a ton of software/hardware