Hi, The 76 CS is an older model, that is no longer made, but it isn't as efficient, energy-wise, as newer types. According to GARMIN, it used two AAs: " # Weighs 7.6 ounces (with batteries) # LED-backlit display and keypad # Up to 20 hours battery life (uses two AA alkaline batteries) " That's when it is used in its most efficent way, with very fresh batteries, the more you change set-ups, et cetera, the worse mileage you'll get! I'd guess you'll get less than ten out of a cheap pack of batteries! Note that it used to cost over $530! I've got a GARMIN 315, and it also got two batteries, but those are gone in a jiffy, say half a day, so I use my bilge pump battery as power, normally! Works very well: http://foldingkayaks.org/gallery/XXL/GPS *************************************************************************** PaddleWise Paddling Mailing List - Any opinions or suggestions expressed here are solely those of the writer(s). You must assume the entire responsibility for reliance upon them. All postings copyright the author. Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Sat Jan 13 2007 - 03:03:56 PST
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