How long does a Garmin HRM battery last?

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10/05/2011 at 08:52

I've recently bought a Garmin 405 with HRM.  Does anyone know roughly how long the HRM battery lasts?  I don't want it to konk out half way though a marathon!!


10/05/2011 at 09:35
you'll be fine for a marathon unless you're very slow!

the datasheet says 8hrs in training mode
10/05/2011 at 09:48

Thanks Fat Buddha - but I meant the actual HRM transmitter that straps to your chest!

Any ideas anyone?

10/05/2011 at 10:18
well by the marvellous powers of this the answer is

Battery life: approximately 3 years (1 hour per day)

not difficult is it?

10/05/2011 at 10:20
How long are you thinking it is going to take you to run this HM Old Growler?
10/05/2011 at 11:02

Well done Fat Buddha - you must be Google King - how does that feel?!  Must feel great. 

I had a quick look and couldn't find the answer so thought I'd post a question on this forum - to be honest forums are more fun than Google.  I can live without being Google King! 

Happy Google-ing, and thanks for the answer.

10/05/2011 at 11:10
If you've not changed your battery for a while and you're concerned about it, it would be a good idea to put a new one in anyway prior to running your marathon. Not that expensive for a pack on Ebay.
10/05/2011 at 11:19

I'm with FB - it's just not that hard to find information, and people just can't be bothered.


I googled your question and got the answer in three seconds.

Edited: 10/05/2011 at 11:21
10/05/2011 at 11:22
Not a bad idea Mr Boat - I think I'll just change it once a year, so I don't have any problems in races.
10/05/2011 at 11:24
Wilkie - thats great, but with respect, surely this is what forums are for?!?!  If it annoys you so much, just ignore my post!  Some people are just not as good as Google-ing as others, sorry if this offends you.
10/05/2011 at 11:29
"Well done Fat Buddha - you must be Google King - how does that feel?! Must feel great. "

nope - feels quite ordinary as it happens

but hey ho - only pleased to help on something you could have easily found out yourself.
10/05/2011 at 11:32
Such a friendly forum this!
10/05/2011 at 11:34

Then the forum gets filled up with questions which have either been asked and answered before (because people can't be arsed to do a search and look back), or which they could find out very quickly and easily via google. 

You don't need to be good at googling - you simply type in your question, exactly as you did into the forum - and you get an instant response.

(And I do normally ignore such threads.  It's a slow morning.)

10/05/2011 at 11:51
OG - we can do less friendly if you want

as Wilkie says, the place gets bombarded with questions that people with a bit of thought can find out the answer themselves

for this one I simply googled "garmin 405cx hrm battery life" - top result was a link to the 405 page on the Garmin site - click on accessories - click on fitness sensors - click on HRM - click on manuals - data is there in front of me.

it really isn't difficult
10/05/2011 at 11:59

Mine was even easier:

I googled "How long does a Garmin HRM battery last?"

The search took 0.23 seconds, I chose the fifth result down (as it was exactly the same question) and got an answer instantly.

Does that make me Google Queen??

Edited: 10/05/2011 at 11:59
LIVERBIRD    pirate
10/05/2011 at 14:24

As for "how long does the battery on the bloody watch last"?

Not long enough for a 5 hour marathon in my experience! But I think it's busted.

I might even google the address for a repair, or I could get my servants FB and Wilkie to do it for me.

Old Growler -a word of advice for free. Don't get offended so easily or you'll get eaten on here!

10/05/2011 at 16:42

  Should we change his name to Fat Butler?

The battery on my 405 lasts over six hours.  I've no wish to partake in events that last longer than that!

Edited: 10/05/2011 at 16:44
10/05/2011 at 22:16
Jeez. Give the guy a break. Sometimes it's nice to ask real human beings for their experience!
LIVERBIRD    pirate
11/05/2011 at 12:28
Wilkie wrote (see)

  Should we change his name to Fat Butler?

The battery on my 405 lasts over six hours.  I've no wish to partake in events that last longer than that!

Not even a drinking sesh?
11/05/2011 at 12:48

I've never felt the need to keep track of my pace on a drinking sesh

It would probably be worryingly fast, though....

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