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shapeshifter is offline shapeshifter
2009-12-18 , 18:02
Posts: 187 | Thanked: 345 times | Joined on Nov 2009
#11
Originally Posted by Texrat View Post
Nokia over-engineers this factor for safety (hence some of the cost).
Nokia engineers its own batteries? Really? My guess was they just have some technical quality outlines and then ask OEM suppliers to make batteries that fit these.
 
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Texrat is offline Texrat
2009-12-18 , 18:44
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#12
Originally Posted by shapeshifter View Post
Nokia engineers its own batteries? Really? My guess was they just have some technical quality outlines and then ask OEM suppliers to make batteries that fit these.
Engineering specifications. You and I are not saying different things-- I didn't say manufacturing.
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mysticrokks is offline mysticrokks
2009-12-18 , 18:52
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#13
oh come on you can get a 2500 in a aa battery that is safe as houses.. nokia giving us a 1200 is tight as anything
 
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tissot is offline tissot
2009-12-18 , 19:11
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#14
Originally Posted by mysticrokks View Post
oh come on you can get a 2500 in a aa battery that is safe as houses.. nokia giving us a 1200 is tight as anything
Actually 1320mAh.
Well HTC HD2 got 1230mAh with snapdragon and 4.1inch screen. Battery size on the N900 isn't bad compared to rest of the high end OMAP3 and snapdragon phones unfortunately
Just be sure what you are buying. I focked up my N80 long time ago with aftermarket battery.
 
rapante
2009-12-18 , 19:28
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#15
i'd rather buy a original BL-5J when I can get it cheap somewhere (and possible a desktop charger), don't want to wreck my phone with some cheap crap
 
mysticrokks is offline mysticrokks
2009-12-18 , 21:42
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#16
i never buy unofficial batterys- i just reakon that nokia and htc are tight on batterys, it cuts down the costs- to basically just have a battery that will last a days use..
 
choubbi is offline choubbi
2009-12-19 , 01:04
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#17
Originally Posted by mysticrokks View Post
oh come on you can get a 2500 in a aa battery that is safe as houses.. nokia giving us a 1200 is tight as anything
You compare 1.2V AA batteries to 3.7V phone batteries.
2500mAh at 1.2V means 3Wh of energy
1200mAh at 3.7V means 4.44Wh of energy, which is 48% more juice.

BTW, Lithium-ion batteries (phones) are better on most points than NiMH batteries (AA).


I'll keep the Li-ion batteries, thanks.

BTW, I think the thickness of the phone is way more important to the manufacturers than the price of the battery, in the choice of the battery size. Better battery life sells more units, but thick devices are out of fashion.
Last edited by choubbi; 2009-12-19 at 01:10.
 

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DaSilva is offline DaSilva
2009-12-19 , 01:19
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#18
You should take a look at http://talk.maemo.org/showthread.php?t=37160 and maybe contact Mugen as some of us did already...
 
TA-t3 is offline TA-t3
2009-12-21 , 11:19
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#19
Unless some vendor is hiding a technical revolution (instead of patenting it), there's no way you can pack more capacity into the same volume. Be very, very sceptical of any battery with the same size as the original but claiming substantially higher capacity. Such batteries don't exist, so it's just snake oil.

And looking for smaller capacity increases in the same volume isn't much use either, as the capacity varies some +-10% anyway - what the capacity is reported as is basically decided by how conservative you are in your advertising.

If you want more battery capacity you'll have to wait for Mugen or someone to provide a physically larger battery together with a new back cover.
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cardiff-blues is offline cardiff-blues
2009-12-21 , 11:23
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#20
Originally Posted by TA-t3 View Post
Unless some vendor is hiding a technical revolution (instead of patenting it), there's no way you can pack more capacity into the same volume. Be very, very sceptical of any battery with the same size as the original but claiming substantially higher capacity. Such batteries don't exist, so it's just snake oil.
.
Is this true? I don't know much about batteries but I have seen AA and AAA batteries increase in power over the years and the battery size hasn't changed.
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