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LiPo batteries

 
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MarchHare
Occasional Visitor


Joined: Nov 30, 2008
Posts: 9

PostPosted: Sun Nov 30, 2008 7:23 am    Post subject: LiPo batteries Reply with quote

High folks, Iím new to the forum and a bit of a GPS virgin so to speak so please make allowances for any dumb questions I may ask. Just about to purchase an Active 10 but am concerned about its high usage of power, I intend to get a power pack but this may not be sufficient as I intend to walk for about 35 hours, can I purchase a second LiPo battery on its own without the rest of the power pack? as I donít relish using Energizer AA lithiumís to get me out of trouble.
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mikealder
Pocket GPS Moderator
Pocket GPS Moderator


Joined: Jan 14, 2005
Posts: 19638
Location: Blackpool , Lancs

PostPosted: Sun Nov 30, 2008 9:18 am    Post subject: Reply with quote

With the backlight turned down to 60 or 70% will yield a big gain in battery duration, in use you set the screen to switch off after 30 seconds which again produces major savings, whether you would get 35 hours from a full charge though I am not sure - it will get very close to this though.

I would give SatMap a ring a discuss the possibility of supplying two LiPol cells and a single charger. If any of your 35 hours walk involves lunch in a pub though it should be possible to charge the device (with permission of course), even a single hour charge in the middle of 35 hours should get the device to last the duration.

When you get the device you should charge/ discharge the battery pack at least 5 times before trying any endurance testing with it, this will put the battery at maximum capacity - Mike
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Rogerfrit
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Joined: Dec 17, 2003
Posts: 141
Location: North Devon - England

PostPosted: Sun Nov 30, 2008 10:27 am    Post subject: Reply with quote

A spare battery is available at £29.32
http://www.satmap.com/ukstore/product_info.php?cPath=34_37&products_id=3220
If you are walking for long periods with utter confidence in your location - on a clear path/road etc, you can turn the unit off to conserve power. It will "find itself" in seconds.
I have had mine run for over 24 hours with the backlight set to stay on for seconds only, and no information boxes up.
HTH
Roger
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MarchHare
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Joined: Nov 30, 2008
Posts: 9

PostPosted: Sun Nov 30, 2008 6:14 pm    Post subject: Reply with quote

Mikealder/Rogerfrit,
Thanks for your information regarding LiPol cells its been very helpful thanks.....
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