On Tue, Nov 22, 2011 at 4:26 PM, Bret Foreman <[email protected]>wrote:
> I'm looking to put a phone in a remote location off the grid to report > back some sensor data once a day. I can buy after-market extended-life > batteries for many popular phones and I'm wondering what kind of life > I might get from this arrangement. The big batteries hold about > 4000mAh. I'd like the whole rig to run for 4 months - about 2400 > hours. That implies getting the average phone draw well below 2mA. > > If my app keeps the phone in airplane mode except once a day to fire > up and send data, and if the rest of the wireless networking is turned > off, and if the screen is never on, does this sound feasible? > > Out of sheer curiosity, why not do this using some cheap wireless sensor network node? It's a lot cheaper than a phone, and can get a lot better battery life. I assume the reason is that there is some sensor on the phone you need? Or perhaps that you want to use the telephony capabilities of the phone for something or another? kris -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

