When my smartcom needed battery replaced the turn around was less than two weeks. Not bad I say and, it was totally free.
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I suspect mine had a similar problem, too. Id occasionally hear it beeping in my gear bag after I'd packed up my stuff. Sometimes it would be beeping even after I got home a couple of hours later. This happened more frequently as it aged. I was half expecting to learn mine had failed because the battery went kaput (even though it showed > 80% battery remaining last time Id checked it) but they replaced the unit outright.I had my wrist unit suddenly go battery dead after about 40 dives... they took about a month to fix, with a note that the unit had gotten out of calibration (?) and had been running "on" for some time, using up the battery. The replacement has been great.
I suspect mine had a similar problem, too. Id occasionally hear it beeping in my gear bag after I'd packed up my stuff. Sometimes it would be beeping even after I got home a couple of hours later. This happened more frequently as it aged. I was half expecting to learn mine had failed because the battery went kaput (even though it showed > 80% battery remaining last time Id checked it) but they replaced the unit outright.
I considered that possibility (there is an admonition in the destructions that come with the hood not to put it on the console while it still is wet). If it was OE, I was awfully consistent at making it.The beeping in the gearbag could be an indication of operator error. If the resistance conacts are grounded accross something like a wet wetsuit, that will keep turning the unit on and/or cycling it thru modes. This will decrease battery life. Dry the unit and stick it into it's bag before stowing it.