Can anyone recommend a manufacturer for a Tilt replacement battery? I've searched and found that Energizers have given some people problems and Rayovac seems ok. Lowes sells a brand called SureFire which I've never used, and the price is good at $4.82 for 2 cells. I'm not sure what battery make came with the Tilt from the factory as mine is in a fermenter right now. Thanks for the help.