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-   -   N9 - prolong battery life (https://talk.maemo.org/showthread.php?t=93423)

hw9xx 2014-07-09 19:30

Re: N9 - prolong battery life
 
Quote:

Originally Posted by wrm (Post 1432156)
Hm.. I charge it every night, stays on charger till the morning. And sometimes connect to pc at work during day. I dont know, smartphone batteries never last longer than one day for me. Unless i'm not using it :D

I my case both the N900 and the N9 barely lasted for 12 hours when used in an active way. Less under heavy use.

I then tried a Galaxy S4 and it cured that problem by lasting a minimum of 12 hours easily even under heavy use. However one has to note that the S4 is not exactly a power-saving device. Quite to the contrary.

I now use a S5 since a couple of weeks and any endurace problems have simply disappeared. The somewhat larger battery but also the hugely (>=30%) reduced power draw compared to the S4 makes this thing last forever. The S5 is the first smartphone where I simply have stopped worrying or even thinkg about remaining battery levels. Forgot to charge, only 30% charge left at the start of the day -> no problem. Ultra power save mode claims standby times >10 days. I have not yet put it to the test but I believe it's a realistic claim. Last time I actually experienced 11 days was with my Nokia 6310i, more than 10 yeas ago ... makes me feel nostalgic :)

Win7Mac 2014-07-10 23:53

Re: N9 - prolong battery life
 
The lower the charging current, the longer battery cells last.
So I try to avoid the wall charger (1A) and instead connect to my PC via USB 2.0 (500mA).

Some further info on how to prolong lithium based batteries:
http://batteryuniversity.com/learn/a...ased_batteries

okourkoulos 2014-07-14 06:54

Re: N9 - prolong battery life
 
Exactly what I was always doing.
Didn't know, but just seemed better and had greater outcome on every portable device with Li batteries.


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