I don't think understanding how the battery is consumed, and knowing your options when battery levels are a concern is wasting the power of the iPhone. I agree with what you say though, and I appreciate the information.
On 22/01/13 11:35, David Chittenden wrote: > Sure, if you are concerned over about 2% to 5% of battery power per hour when > devices are connected, and up to 1% per hour (usually less) when devices are > not connected, you should definitely be vigilant about turning the Bluetooth > radio off except when you want to connect something. Since I am not concerned > about such minimal amounts of power (I use my iPhone like my computer, so > need to charge every day, but get much better battery life than my laptop), > 1% or less per hour does not make a difference. > > The same is the case for wifi. Unless you are using an app which utilises > wifi, the wifi radio remains virtually dormant. In fact, the 1% power use per > hour I have noticed is with both bluetooth and wifi turned on. > > GPS radio reception, on the other hand, uses around 10% to 15% per hour when > being accessed by a navigation app. For this reason, I remove navigation apps > from the app switcher after use just in case they call the GPS radio whilst > in standby. > > In my personal opinion, considering how functional the iPhone is, if someone > removes all the functionality to preserve battery life for avoiding plugging > in at the end of each day, why not spend considerably less for an accessible > Android basic phone. Wasting the true power of the iPhone as a portable > computer because one is so focused on preserving battery life for a couple / > few days honestly does not make sense to me. > This is especially the case with the iPhone 5 and its lightning connector, > the easiest connector for a portable device I have ever used. > > David Chittenden, MSc, MRCAA > Email: dchitten...@gmail.com > Mobile: +64 21 2288 288 > Sent from my iPhone > > On 23/01/2013, at 2:22, Christopher Chaltain <chalt...@gmail.com> wrote: > >> I would assume bluetooth is also using some power if you have it looking >> for available networks. >> >> On 22/01/13 02:26, David Chittenden wrote: >>> Only a few percent per hour. Bluetooth is managed extremely well by iOS. >>> Also, Bluetooth is a low power short range communication technology. Wifi >>> drains battery more rapidly, but only when actually connected and >>> transmitting / receiving data. Again, Apple iOS has some of the best power >>> management systems in the industry. >>> >>> David Chittenden, MSc, MRCAA >>> Email: dchitten...@gmail.com >>> Mobile: +64 21 2288 288 >>> Sent from my iPhone >>> >>> On 22/01/2013, at 7:16, "Negoslav Sabev" <neg...@gmail.com> wrote: >>> >>>> Thank you for confirming this. And does this drain your battery more >>>> quickly? >>>> >>>> Negoslav >>>> ----- Original Message ----- From: "Eileen Misrahi" >>>> <eileen.misr...@gmail.com> >>>> To: <viphone@googlegroups.com> >>>> Sent: Monday, January 21, 2013 9:09 PM >>>> Subject: RE: using simultaneously 2 bluetooth units >>>> >>>> >>>>> Hi, >>>>> >>>>> I do it all the time with my mini bT keyboard and my Plantronics BT >>>>> headset >>>>> when I am traveling around to work and social outings. >>>>> >>>>> Eileen >>>>> >>>>> -----Original Message----- >>>>> From: viphone@googlegroups.com [mailto:viphone@googlegroups.com] On Behalf >>>>> Of Negoslav Sabev >>>>> Sent: Monday, January 21, 2013 10:35 AM >>>>> To: viphone@googlegroups.com >>>>> Subject: using simultaneously 2 bluetooth units >>>>> >>>>> Hi there, >>>>> >>>>> Is it possible to use simultaneously bluetooth keyboard and headphones >>>>> with >>>>> IOS devices? >>>>> >>>>> Negoslav >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the "VIPhone" >>>>> Google >>>>> Group. >>>>> To search the VIPhone public archive, visit >>>>> http://www.mail-archive.com/viphone@googlegroups.com/. >>>>> To post to this group, send email to viphone@googlegroups.com. >>>>> To unsubscribe from this group, send email to >>>>> viphone+unsubscr...@googlegroups.com. >>>>> For more options, visit this group at >>>>> http://groups.google.com/group/viphone?hl=en. >>>>> >>>>> >>>>> >>>>> -- >>>>> You received this message because you are subscribed to the "VIPhone" >>>>> Google Group. >>>>> To search the VIPhone public archive, visit >>>>> http://www.mail-archive.com/viphone@googlegroups.com/. >>>>> To post to this group, send email to viphone@googlegroups.com. >>>>> To unsubscribe from this group, send email to >>>>> viphone+unsubscr...@googlegroups.com. >>>>> For more options, visit this group at >>>>> http://groups.google.com/group/viphone?hl=en. >>>>> >>>> >>>> -- >>>> You received this message because you are subscribed to the "VIPhone" >>>> Google Group. >>>> To search the VIPhone public archive, visit >>>> http://www.mail-archive.com/viphone@googlegroups.com/. >>>> To post to this group, send email to viphone@googlegroups.com. >>>> To unsubscribe from this group, send email to >>>> viphone+unsubscr...@googlegroups.com. >>>> For more options, visit this group at >>>> http://groups.google.com/group/viphone?hl=en. >>>> >>>> >>> >> >> -- >> Christopher (CJ) >> chaltain at Gmail >> >> -- >> You received this message because you are subscribed to the "VIPhone" Google >> Group. >> To search the VIPhone public archive, visit >> http://www.mail-archive.com/viphone@googlegroups.com/. >> To post to this group, send email to viphone@googlegroups.com. >> To unsubscribe from this group, send email to >> viphone+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/viphone?hl=en. >> >> > -- Christopher (CJ) chaltain at Gmail -- You received this message because you are subscribed to the "VIPhone" Google Group. To search the VIPhone public archive, visit http://www.mail-archive.com/viphone@googlegroups.com/. To post to this group, send email to viphone@googlegroups.com. To unsubscribe from this group, send email to viphone+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/viphone?hl=en.
