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-   -   Garmin Chest Strap 305; Short Battery life (http://www.bikeforums.net/electronics-lighting-gadgets/697379-garmin-chest-strap-305-short-battery-life.html)

kvgent 11-24-10 06:09 PM

Garmin Chest Strap 305; Short Battery life
 
I've gotten a Garmin 305 just over 1 month ago. The replace the battery after just 2 week and that fixed the problem I was having with it. Just today I had to replace the batter again? Any ideas?

luv2climb 11-25-10 01:12 PM

Which HR strap do you have. Garmin has three different ones that I know about on the market. One hard plastic one and two soft fabric ones with a trasmitter.

Off the top of my head one thought is that the when the contacts are wet it will continue to transmit.

socalrider 11-25-10 05:57 PM

I would say it is possible you had a bad cell.. Buy a new battery and try one more time, if if fails again quickly, contact garmin and see if they will replace the strap..

rm -rf 11-25-10 08:11 PM

I have over 50 hours on my 705 HRM, and it's still the original battery. Maybe your HRM is defective, and doesn't shut off.

Most straps use CR2032 coin batteries. It's a lot cheaper to buy them online. I've used Battery Bob: $13.75 for 11 Maxell batteries (1.25 each) , or $6.89 for 5, and free shipping.

slide23 11-25-10 08:58 PM

Utterly odd, although my 305 chest strap is a freak in the other direction. I have had it for three years now, used twice per week for ~1 hour of intervals. It's still on the original battery.

CCrew 11-27-10 09:28 PM

Quote:

Originally Posted by slide23 (Post 11842914)
Utterly odd, although my 305 chest strap is a freak in the other direction. I have had it for three years now, used twice per week for ~1 hour of intervals. It's still on the original battery.

Year and a half here and still on the same one. Old enough and used daily, the elastic is starting to die but the battery just keeps on going..


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