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Apply to test Laptop batteries, Medical Equipments batteries, Electronic tools and Backup batteries. Apple's iPhone 4S introduced some added features to their line-up - enough to get me to bite the bullet earlier than I typically do.
I picked up a 4S from my local Apple Store, restored from the backup of my 4, and off I went. Now I'm going to disappoint a few readers here - this article is *not* going to give you a magical solution to the 'major' battery drain issues. The 'minor' issue is related to the standby battery drain of the 4S, especially in comparison with the 4. Every single step here (above and below) was performed simultaneously (or within a couple of seconds of eachother), to keep things as level as possible. Large game downloads and installs consumed the most power on phones that took the longest to accomplish the task, meaning the 3GS had to 'work' for longer than the 4, which in turn had to work longer than the 4S.
What's troubling is the 4S fell considerably short of its 200 hour standby rating, even despite this test being very close to 'best case'.
This should help to explain or at least clarify some of the 'minor' standby time questions folks may have before or after their next iPhone purchase. It's probably a safe bet that Apple's engineers will successfully squash the bugs that are causing those major battery drain issues with iOS 5. Since I have downloaded and installed iOS5 on my iPhone 4 the battery life has been reduced significantly. Allyn, you said you picked up the "A" phone in 2008 because it was the only one that just worked. Should add that you did a great job trying to clear things up and no doubt offered "A" people a rare competent assessment of the problem, which of course it isn't, because it just works. Prior to my iPhone switch, I was using HTC handsets with custom roms (running windows mobile). I have disables everything apart form wifi, on not using the phone at all I am noticing that the usage overnight is around 20 mins usage which is causing the battery level to drop from 100% to 92% in the morning !
Likely background services that are causing the iPhone to stay active for longer than it should. I have done the same tests on the 4 and 4s phones with and without the SIM card, and without the SIM card on (even though we are not testing the G3 Speed) the network access by the Apps installed takes a big chunk of the battery life, therefore, I called my test, a real life test, the test above indicating 13 hours of talk time on the 4s are so far off, is not funny. I found that after a few charge cycles that my new 4S is now getting about the same battery life as my 3GS had. Everyone knows that the single biggest complaint about every 4G LTE phone that Verizon has released to date has been the battery life.
So as my preamble suggested, the 3300 mAh battery is the big highlight feature for the DROID RAZR MAXX. In my time with the DROID RAZR MAXX I never once was able to burn the battery down completely in less than 18 hours and with light usage I managed to eke out over 60 hours on a single charge. Sure that light usage result is unrealistic for the power users, but then again we can’t imagine not plugging our phone in at night anyway.
This kind of battery life in a 4G LTE phone is quite simply astounding and gives the DROID RAZR MAXX a huge advantage over the rest of the current crop of devices out there that can often struggle to make it through a regular work day.
The 1.2 GHz TI OMAP 4430 processor that powers the DROID RAZR MAXX does its job admirably, just as it did in the original RAZR. Motorola continues to be my gold standard for call quality amongst the Android manufacturers and the DROID RAZR MAXX was no exception.
I’m not a big speakerphone user, but in my cursory testing with the DROID RAZR MAXX it worked as advertised with just a slight hit to the audio quality as compared to the earpiece.
The 4.3-inch PenTile qHD Super AMOLED display on the RAZR MAXX is also identical to that of the original RAZR. With that said this isn’t a top of the line screen anymore so it will depend on how important that might be to you. The DROID RAZR MAXX shares the Kevlar backing and splash proof coating of the original RAZR.
Alright, it’s been mostly sunshine and roses so far, but here we run into one of my first problems with the DROID RAZR MAXX. This was my other big problem with the DROID RAZR MAXX, and fortunately this one can be corrected. While the score may not be terribly impressive that doesn’t tell the whole story of the DROID RAZR MAXX. This appears to be borne out by the sales as both Amazon Wireless and Verizon have consistently had it backordered since the launch.
If the MAXX proves to be a success, maybe we’ll see more manufacturers feature handsets with extra large batteries rather than pushing for maximum slimness. Your G2 with its 3200 mAh battery is about as thick as Zach Morris’ phone and is therefore disqualified.

A good point although that isn’t going to be a concern for the demographic that I see buying this phone.
I can usually get two or more days out of my GSII with my version of normal usage, which is about two thirty minute calls a little bit of internet and wifi usage and at least three hundred to four hundred texts total. Personally I love that extra 15% because it doesn’t make weird lumps or corners on the phone and cases still fit on it, but I got that little boost.
And OF COURSE they made this phone without a removable battery AND THEN they made a phone RIGHT AFTER with a longer battery life. I love this phone, why couldn’t they have just made the original with the bigger battery?
I sympathize, my dad bought the original RAZR right when it came out and would have been a perfect candidate for the RAZR MAXX. Battery life is certainly impressive, yet I am spoiled with the larger displays of the Nexus, and Note. THE MOST important thing about a wireless phone is that you can use it without looking for outlets and plugging in a wire everywhere you go! Possess the live timing function of Gas Gauge data comparison, according with SBS1.1 specification to smart battery, which can increase special Command of Manufacture Access.
My friends always jab at me because I'm a fairly die-hard techie, and they expect me to be sporting the latest overclocked super-smartphone with eleventy-thousand gigs and a built-in dishwasher. I was a bit of an iOS 5 veteran by then, as I'd been using it to test applications for a developer friend of mine. I enjoyed the phone for a few days, but quickly realized there was some sort of issue with battery life.
In this thread (as well as many others elsewhere on the web), users reported every possible cause and fix, many recycled from known fixes for prior iOS versions.
1 CPU, simple graphics) game use showed the 4 to be the least efficient, while the 4S outperforms both the 4 and the 3GS by a fair margin. It was my hope to conduct an analytical test to help reduce some of the confusion out there with respect to folks diagnosing their own drain issues.
Once those are sorted, I suspect iPhone 4S owners will expect to see further optimizations to extend 'normal' standby time to something more in-line with the advertised specification. Is that still the case, or are there now win phone 7 phones or android phones that might also just work?
Like I said in the piece, I was really on the fence and about to go back to the prior model, which 'just worked' seemingly better than the newer one (at least as far as standby times are concerned).
The average 4G LTE phone is lucky to make it more than 14 hours on a charge if you use your phone at all – even left virtually untouched you are unlikely to be greeted by anything but a blank screen in the morning if you commit the cardinal sin of forgetting to plug your phone in at night.
For more casual users, and thus users that are less likely to remember to plug their phone in, I can see 36-48 hours of battery life as a real possibility. I basically fall into the same camp as Anthony did in his review of the RAZR and that is that the average user is going to be pleased with the screen. The HD displays in the HTC Rezound, Samsung Galaxy Nexus and even the LG Spectrum are undeniably superior in my mind so if you are going to be watching a lot of video or are simply a pixel peeper you should probably look to one of those devices. The advertising showing the RAZR slicing through everything in sight failed to mention that your hands would be it’s main target.
It’s going to seem like a really simple and probably minor thing to many of you, but I simply could not get over it during the entire time I had the phone. When lighting conditions are optimal the 8 MP rear-facing camera is capable of some nice images and as always I have far fewer complaints about the quality of the video capture. I didn’t have any trouble pulling in a 4G signal in any of my local haunts and speeds were in line with the rest of my LTE devices. A 4G LTE smartphone that gives you the freedom to not worry about your battery life is something we had yet to see on Verizon and I’m not entirely certain when another such device will come along. I played with my friend’s RAZR for a while, and man, even though the screen of RAZR is just a tiny bit smaller than my GNex in spec, when I stared at it, it just looked small. That extra bit gets me through the day, but when I’m really powering through downloads, video, and web I barely notice that I have an extended battery. He frequently forgets to charge his phone and with his usage pattern he would easily get 2-3 days out of the MAXX and likely more with the proper smart actions set up. While my phone used to be included in the list of things I tinker with endlessly, I eventually came to the point where I just wanted my smallest mobile device to 'Just Work' for those tasks I needed it to. While some of the iOS 5 betas were a bit unruly in the battery life category, those problems appeared to be sorted out by the last and final beta prior to release.
For this there was no common 'fix' that applied to everyone, as there appears to be several potential causes, all of which effect users differently based on their configuration. If they don't, you're just going to have to wait for Apple to push out the next build of iOS 5 - we definitely know they are working on it.
Apple did some great work optimizing the A4 CPU when developing the iPhone 4, and I suspect this optimization got folks used to their phone losing a negligible bit of battery during periods of extended standby. Most importantly, my reason for doing this test was to determine if I could hold out for Apple to make further bug fixes and optimizations, and that my own 4S was not physically defective and in need of return.

Love this site for many reasons; one of them is certainly the only rare mention of that gadget company.
Sure I like their hardware, but I always place analytics ahead of emotions on this sort of thing. Would a phone that could turn all of that on its ear be something you might be interested in? NVIDIA specifically and even Qualcomm may do a better job at pushing their mobile processors branding, but I haven’t really had any complaints with my TI powered handsets.
The screen reproduces colors well, is sufficiently bright and text appears sharp when viewed at a normal distance. I will say that I think Motorola may have a tendency to push their default settings toward accuracy rather than vibrancy and I think most users would prefer the latter. Other than that, I cannot imagine moving back to any manufacturer overlays at this time even if better battery life was promised.
I just didn't have the time to tinker endlessly with the thing that handled more and more of my work-related duties, yet as a techie, I still enjoyed the ability to cram a bunch of functionality into my pocket. Throughout all of these, I feel Apple did their best to prevent new versions from breaking application functionality, and while they did their best to keep bugs under control, every so often a few would creep in - typically with cross-compatibility of new features that could only be tested in a limited capacity before being released into the wild.
With my reservations against the new OS put to rest, the only thing holding me back was the possibility of the new dual core CPU drawing more power than the iPhone 4. The next morning I was surprised to find that nearly 40% of the charge was lost while I slept - almost enough to completely shut down the phone (and failing to wake me with the alarm I'd gleefully set via Siri the night before).
To make matters worse, some iterations of the bug(s) are intermittent in nature, adding to the forum confusion.
What I *am* here to address, however, is what I have discovered to be an additional (possibly hardware) issue with the iPhone 4S, which is further complicating matters for those trying to determine if they have solved their particular issue, or if more workarounds are needed. Those used to their iPhone 4 losing only a couple percent overnight are seeing their 4S drop nearly 2-3x as fast, leading them to believe they still have the issue when there may be nothing wrong at all.
You can take a look at the samples pictures and videos below to judge for yourself whether the RAZR MAXX will meet your point and shoot needs. The iFixit teardown (which revealed a higher capacity battery - presumably to counter power draw of the additional CPU), coupled with the improved camera and witnessing the endless toying around with Siri finally got me to bite the bullet. I spent some time following several of these threads while narrowing down the cause of my own 4S's battery drain. Users would post that they had licked the issue, only to come back later and say it had returned. Feeling the urge to return my own 4S (for a refund - so I could go back to my more battery miserly 4), I decided to run an experiment this past weekend. This leaves the 4S, which appears to be falling prey to that baggage of the additional CPU, as well as any additional power draw introduced by the shift to the A5 core. The phones were loaded with an extremely minimalist set of apps, content, and settings - much less than even the 'simplest' user would endure with such a feature-packed device. Fortunately, Ryan is quick to shut you down or make a sarcastic remark consistent with the website values. This causes time lags in the distribution of new OS revisions, as well as other things like how Skype only recently added video support under Android - much longer than it took them under iOS. Switching to 3G only gets me maybe 2 hours more, so I never use 4G unless I want to charge three times a day. With the extended battery, I can use the tethering for hours while still using the device for normal routines. A tweak to my email settings and turning off some unnecessary location services had me sorted out - well, almost. Dozens (if not hundreds) of posts were from users who had brought their 4S *back* to the Apple store or other vendor, getting a replacement. I needed to compare the phones on as level of a playing field as possible as to get some real answers. Remember, the A5 is lifted from the iPad 2 which is powered by a battery of nearly 5x the capacity (25 Whr vs. The 4S running with my own personal configuration (minimal notifications, manual fetch email, Siri 'Raise to Speak' disabled, no 'major' drain issues) drops at ~2% per hour.
In nearly all of these cases, it did not solve the issue - even when starting 'fresh' and without restoring all of their old settings from the previous phone, something that was installed or configured would trigger the issue once again. Apple did what they could to make the A5 sip juice for the 4S, but you can only gain so much by underclocking a pair of CPUs, inevitably forcing Apple to de-rate the 4S to 200 hours of standby time. 2% per hour translates to a phone that goes from fully charged to completely dead in only 2 days time with zero actual use!

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