May i suggest that if your set on doing this then you'll need to explore solar charging. Regards, Fred
On 25 November 2011 07:40, Kristopher Micinski <krismicin...@gmail.com> wrote: > > > On Tue, Nov 22, 2011 at 4:26 PM, Bret Foreman <bret.fore...@gmail.com> > 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 android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
