I have a M$ BT keyboard & mouse; the keyboard runs for months on 2 AAA eneloops. The mouse runs j3-4 days on a single eneloop AA - Enough of a nuisance that I started disconnecting the battery when not in use, so now it works a few weeks between charges. There does'nt seem to be an easy way to turn off the radio in the tablet (Dell Venue 8 Pro) either; otherwise I would... --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .