Hey Frank, The battery drain problem is well known and is said to be the result of a problem capacitor in a couple of batches of the H1. You should return it and get a new one. BTW I have a Sony M10 and love it. http://cheesycam.com/zoom-h1-battery-drain/ Steve Koto On Dec 13, 2010, at 5:16 AM, Frank Strauss wrote: > Hello all-As a result of an October post, I bought a Zoom H1 recordedr. It > is, for the most part, a very nice little unit. Having said that, the first > one I got would discharge a battery in about a day and half, with the unit > turned off. I returned it and got a replacement. It also discharges the > battery in about a day and a half. If anyone else is using this unit, have > you had similar battery performance? Is it possible that you can only use > this unit by taking the battery out while it's not being used? I don't mind > doing that, but you have to re-enter the date and time info every time the > battery is removed and then replaced. Thanks. > > > -- > Frank B Strauss, DMD