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Originally Posted by jkraze
yea i thought about that also but didnt understand how come a laptop can run without a battery and just ac power and tp2 cant..but even so if the tp2 runs off pc power i think the juice flowing from the ac through the battery would still drain it a little... talking like .0000001 or something but in time increases..im not sure though.
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Thats a good question.....
I believe that on the phone (newer phones in general probably), some of the cicuitry is in the battery from what I remember. I would imagine that increases reliabilty, should someone fry their battery from using a poor quality after market charger or something likw that, replacing the battery will replace that circuit that regulates the battery.
That might be why newer phones dont have big ol stupid transformers for chargers anymore either, at the same time most laptops have big transfors inline on the power cord, while some have them built into the laptop itself.
As far as using data and getting power off a PC, the thing to do would be to get a program that measures your battery current, they'll tell you how much juice is coming in and how much is going out. Not all USB ports and phones are created equal. I have an old computer that I built in 2001 (non usb 2.0 I believe) I also have a long USB extension tied into it because I use it to play media on a TV, so having a long USB makes it conveinent. The downside is the extra length creates resistence, which decreases power (so to speak) which will cause the the TP2 to give me a warning telling me that the charging current isn't enough if I've got teahtering and maybe another program running. Basically if you've got more power going out then in.
I think in that case, yeah your probably decreasing battery life. But again batteries are cheap, I didn't do ANYTHING to try and maintain the life of my old mogul/6700 and I had that phone since new, that battery lasted me unitll the phones death, which was around the time the tp2 was coming out. Not ssure if the battery had gone bad at that point, but by then phone had enough other problems for wear and tear that it didn't matter anyhow.