GTA02 Battery Capacity (Was: Re: More about the GTA02)
michael at openmoko.org
Thu Feb 14 08:48:47 CET 2008
Uncle Kridley wrote:
> Michael Shiloh wrote:
>> We are well aware of software changes we need to make in order to
>> improve battery and have simply not had the time to do this. You can
>> expect much better battery life when we implement these changes.
>> that my very simple testing suggests should last for well over 12 hours.
> Twelve hours is great compared to the five the GTA01 gets now, but it's
> maybe a third of what I'd consider to be the absolute minimum for a
> usable phone.
I agree. I tried to make it clear that we're not done.
Can you give us an idea of how many hours of "talk" and
> "standby" you expect the phone to provide once all of these planned
> changes have been made?
> I want an OpenMoko because I want to carry a computer in my pocket. I
> want to run cron jobs that fetch content from the web. I want to use it
> as a wifi web browser. I want to turn it into a gps cycle-computer.
> And I want it to be my phone, which means that when I've done all of the
> above, it needs enough battery left at midnight to call a tow-truck when
> my car breaks down.
> My Treo 650 has an 1800 mAh battery, and even when it was new I never
> got more than three days off a full charge. Now that it's a few years
> old, I can barely make two days. If the GTA02 needs charging every day,
> after maybe a year the battery will be aging, and won't even last a
> whole day. That's not going to be very practical. Are you guys sure
> that 1200 mAh is going to cut it for what amounts to a portable computer?
I don't know what we're sure of in this regard.
1. We have made much progress
2. We are aware of more improvements we can make
3. We don't know (yet) what all these improvements will get us
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