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Better: Longer Battery Run Time

ALPHA battery has a 34 hour run-time (5sec update). Astro is ~22 hours

Garmin has significantly improved the collar battery life with the ALPHA.

Even using the twice-as-fast (battery draining) 2.5 second update rate, the ALPHA has around 24 hours of battery life compared to about the same run time with the slower (5sec) update on the Astro.

Garmin has figured something new out with these batteries. Right now we're getting around 23 hours of runtime with five second update on the Astro DC-40. I was expecting the ALPHA's 2.5 second update rate to be more like 12 or 15 hours of run time, but we are getting 24 hours at a 2.5 update and 34 hours out of the 5 second update. And that's without using the new feature called Rescue Mode.

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