Notion Ink

How to discharge your Adam with-in 6 hours?

Posted in Uncategorized by Rohan Shravan on October 29, 2010

Dear All,

I wrote in the last post that you can easily get 15 hours from the device. My personal use case is different and so will be yours. Blogs world over picked up this line as posted as Adam gives 15 hours. I don’t think that’s the right way to look at it.

You might have noticed that your phone might work for 2 full days and might require 2 charges a day. Based on the use cases devices claiming 10 hours have ended in 4 hours (3D gaming). Clearing this confusion is extremely important, so here we are with the post “How to discharge your Adam in 6 hours only?” Here is the list which we have compiled:

  • Play 1080P continuously with full brightness and at full volume (displayed as 1024 on Adam and not via HDMI to TV) (no idle time) (Adam has BIG speakers)
  • Play YouTube Flash videos on Wi-Fi or 3G network (no idle time)
  • Use Streaming 3D maps on 3G network with GPS
  • Record HD Video and stream it over the Wi-fi networks
  • Play an augmented reality 3D game with camera input over the network (wi-fi of 3G)

There can be so many use cases where you can discharge it much faster than your normal use case, so be cautious when you read “Adam claims minimum 15 hours of battery”! There tests are on full display, full volume which is never going to be true. Pixel Qi display is 10 times efficient so a huge drop here, if you use earphones, you get more juice and so on..

Will be posting that interactive chart so we all would know our own usage times.

Warm Regards

267 Responses

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  1. josh said, on October 29, 2010 at 13:28

    BTW the battery is removable right?

    This way at home we can run it plugged in without battery to keep at alive longer…

    • Pratik said, on October 29, 2010 at 15:51

      Yes, it is. :)

    • Arioch said, on October 29, 2010 at 17:16

      BTW, most notebooks come with utilities preventing batteries to be charged to 100%.

      They claim, when you’re no AC, it would be good to charge battery to 80-85% then to let it rest, that to force full-charge.

      Does this have technological foundation or just a PR BS ?

  2. Kalyan said, on October 29, 2010 at 13:28

    I like the transparency in your post. I don’t remember if a company ever made this kind of statement through everyone knows that battery life always depends on usage as not all the tasks would cost the same power drain. But all companies would give a battery life (per charge) and would just give a * to mention under standard conditions.

    Dying to see the photos of the second level of mfg photos and the weekend special. It has been two painful weeks without it. And please Rohan.. it would be great if we have a release date or approx period. I don’t want to guess any more about Adam.

    -Kalyan

  3. Zealoth said, on October 29, 2010 at 13:32

    This is impressive. 6 hours of continous heavy use is just insanely long time

  4. inmypjs said, on October 29, 2010 at 13:34

    So if you turn off the light, does the display become black and white? Do we have a switch for color and greyscale when the light is off?

    • Tarwinia said, on October 29, 2010 at 16:45

      Yes, if you turn off the backlight the display becomes grayscale monochrome. There is a switch for the back light but not for colour/monochrome. You HAVE to have the backlight on to have colour, but it can be at a low setting.

    • Arioch said, on October 29, 2010 at 17:14

      Then it would be very little colour in there.

      PixelQi pixel (sorry for tautology) looks like square within square – [■].

      Internal square is coloured and transparent, allowing light from backlight come through.
      Around it is colouress mirror, providing for grayscale reflective mode.

      The vivdness of colours comes from the ration of those two light sources: coloured backlight and grayscale daylight. Dimming backlight you move the ratio towards grater share of daylight, i.e. greater share of grayscale component and colour becomes more and more pale.

      Cornercases are
      1) full colour – backlight in the night – all light comes from backlight and no reflection of daylight, hence all light is coloured.
      2) full grayscale – backlight is off – all light comes from the mirrors and, hence all light is colourless.

      Everything else must fall somethere in between.

    • Metallicon said, on October 30, 2010 at 09:10

      Rohan says there are 3 settings. So when light is on, the color setting is on but when light is off the grayscale setting is on. Are you saying that there is an middle setting? I was just wondering how one can read graphic novels and comic books with the e-paper setting because those kind of contents require color. Is the middle setting a half-light setting that shows non-saturated colors?

  5. andrew britton said, on October 29, 2010 at 13:43

    Good that you have now retracted this but much better not to say it. Obviously what you say willl be picked up by blogs all over the internet- 6 hrs is a massive difference to 15- 20 as you were claiming. Better not to make these statements unless sure of the performance. Basically it will be interesting what it can get on “normal Usage” I.e watching a standard def movie or internet browsing etc. If it cant get 15 -20 hours doing that then why claim it.

    • SO19 said, on October 29, 2010 at 14:00

      lol @ “retracted”. 15hrs is his “normal Usage” and tbf if his “normal Usage” was watching high def films on full volume and full brightness, I’d be more concerned about him wasting his time and not developing ;)

    • Nishit said, on October 29, 2010 at 14:44

      +1

    • andrew britton said, on October 29, 2010 at 15:15

      Err ok rohan wrote “I am getting from more than 2 full days to minimum of 15 hours”
      MINIMUM of 15 hours! Now he is saying minimum of 6 hours! Quite a difference!
      i would say retracted is fair-Lol @s019

    • levpius said, on October 29, 2010 at 22:12

      @andrew. There is no doubt you have Rohan cornered there. :)
      Lets put it like this to give him some space: In the normal use case scenarios he has got a range from 15hrs to 2 days.
      The best case scenario may be relatively easy (2 days). But the worst case scenario is quite a variable if see.
      If Adam were to be quantified for battery-life the way cell-phones are advertised, I am guessing the battery life would be stated as something more than 15 hrs.

    • civil said, on October 30, 2010 at 00:10

      @Andrew

      He is saying a minimum of 6 hours on extreme cases vs the minimum of 15 hours of his personal use. Did he say his use last time was an extreme case? No. Did he say today he’s only getting 6 hours for his personal use? No.

      If he is retracting anything please do quote it from the previous blog of what exactly he said last time and quote what changed this post. Please do quote where he said he was playing 3d graphics games over wifi for 15 hours straight on the last post? How about watching hd playback for 15 hours straight?

      Lets see what exactly did rohan say about 15 hours: “I am getting from more than 2 full days to minimum of 15 hours (on average which will some idle time as well) !”
      Oh did you watch that? “on average which will [include] some idle time as well”

      http://notionink.wordpress.com/2010/10/24/the-week-end-mini-special-part-v/

      This is not a retraction, if anything this is a clarification and examples of how the battery handles on extremes because people blew his comment out of proportion. Kind of like how you’re blowing this blog post out of proportion calling it a retraction.

    • Nik said, on October 29, 2010 at 16:02

      its not retracting. its clarification for boneheads who lurk the internet.

    • andrew britton said, on October 29, 2010 at 16:25

      i sense fanboyism around here! Believe me i am one of the earliest followers of the adam and hope it is great, but Nik what are you talking about?

    • SO19 said, on October 29, 2010 at 21:30

      15 – 48hrs is his normal usage – 6hrs is for solid HD playback. From that you can guess Rohan’s normal usage isn’t solid HD playback, no?
      No retractions, no fan boys just facts. It seems pretty simple….

    • elmelao said, on October 30, 2010 at 08:29

      @Nik
      “Its not retracting…””- Agree.

    • mrzeal said, on October 29, 2010 at 16:46

      @andrew
      human mind is amazing the same post is evoking different thoughts in different people…

      IMO still its not fair as just picking up on the ‘minimum’ comment without considering the context of ‘normal usage’ Rohan was commenting on earlier Vs pushing the physical limits of every functioanlity as in the latest post

      but just for the argument even if we were to consider this as retracting — which is subjective end of the day – we will struggle to find too many CEOs who thinks about the perceptions of customers and try to clarify them…

      if I may, let me say how cruel this world has become …. if say we have the clout to control 50.1% of the ‘population’ (as-in the affected population for any given situation) for ex: we can even start claiming 1+1=10 and build a case to re-write axioms etc. whether or not that is correct / ethical etc.

      so in a way NI is not only up against all the normal challenges of a startup but so many of these intangibles and clout wielding … still I am confident NI will be the winner

    • Molly said, on October 29, 2010 at 16:52

      He was saying he was getting, on average 15+ during his regular usage. This update is just explaining that people shouldn’t expect that outcome always, since extreme usage (continual 1080p playback) will obviously suck up more battery power than an average days use.

      In no way is he saying that you won’t get 15+, he’s just saying that’s not how it’s always going to be.

    • Tarwinia said, on October 29, 2010 at 16:54

      Andrew, it is not retracting. as you said, Rohan said in his original post “I am getting” not “YOU should be getting” or “WE ALL are getting”. He also mentioned IDLE TIME for those figures of 15 hours to two days. Many people did misinterpret him but he never mentioned that it was a minimum of 15 hours for device heavy usage scenarios. This is why SO19 and Nik say it is not a retraction and they are right, it’s not fanboyism. Let’s face it, even the stress tests on sites like Engadget aren’t as demanding as what Rohan posted as scenarios for a 6 hour battery life. Engadget tends to loop an SD video at 65% brightness (and not at max volume if I remember correctly) for their stress test. Rohan in this post mentions 1080p video at 100% brightness and at max volume using the speakers.

    • andrew britton said, on October 29, 2010 at 17:14

      We are just going to have to wait for official tests then as we are arguing about definitions of words.
      The point is, can it do 15-20 hours of battery life on normal average use?(not just playing music with the screen off) If yes great! If not then big mistake saying it can- and i don thing this honesty(nice though it is) is cause for such celebration like a lot of people here are doing.
      I have really hoped the adam would be great but unless this weekends update clear up a lot of issues along with some clear photos a release date and some solid info etc then i am going to have to give up on the adam and with archos 101.Shame though as potentially sounds great but it is all just words at present Cant wait for ever.

    • andrew britton said, on October 29, 2010 at 17:21

      Just one more thing:) I also believe this post was unnecessary as now it will be all over the net that the adam only has 6 hours of battery life(which is not true). Shame if its average is 15- 20 on medium usgae.
      We are basically none the wiser- Battery usage from 6- 20 hours? Bit vague don’t u think?

    • gecko said, on October 29, 2010 at 19:39

      @Andrew

      >The point is, can it do 15-20 hours of battery life on normal average use?

      Yes, it can. That’s what Rohan said. You can make the battery life shorter, if you want, by running it in extreme conditions, but that’s not normal usage. I thought Rohan was extremely clear about this, and I have a lizard brain (i.e., very literal). If you don’t understand this, you must be some kind of fish or something.

      No point in making a list of demands and threatening to “give up on the adam” if you don’t get what you want. Yes, it would be nice to have photos, but we need production-quality machines for that. (People were complaining that the last set looked “plasticky” even though they were painted and wrapped in plastic. I’m not making this up.) Yes, it would be nice to have a release date. Rohan’s done the best he can (production in Nov., Shipping to US in Dec, to indian in Jan), but that’s dependent on the FCC, which is unknown.

      So buy another tablet if you want (please note, though, that a large majority of putative tablets aren’t out yet, either). But don’t blame Rohan..

    • Tarwinia said, on October 29, 2010 at 23:16

      Actually Andrew, at least two sites are being responsible and reporting accurately this post, stating that that they are extreme use case scenarios and that it is quite good for what it is (also they mention in detail some or all of the example Rohan has given in order to make sure there are no misunderstandings). We can only hope all sites will be this responsible but at least these two are.

      http://androidcommunity.com/notion-ink-gets-real-on-battery-estimates-20101029/

      http://www.slashgear.com/notion-ink-adam-battery-drain-list-tips-hd-video-streaming-29110998/

    • Abhi said, on October 29, 2010 at 22:27

      Dude ur confused, he’s saying 6hrs in freakin intensive usage. So he was taunting the blogs for writing its only 15hours, manipulating what he said that it goes 15hrs-2days with “normal usage”.

      U know when apple say MBP have 10 hrs battery, applying this kind of test (1080p continuos playback) and it won’t even last 4hrs. i.e. he’s tryna say 6 hours is the absolute minimum u can get from adam, no matter what you do. But normally its lasts 15hr-2days.

      Get the point?

    • civil said, on October 30, 2010 at 00:21

      Lets see what exactly did rohan say about 15 hours: “I am getting from more than 2 full days to minimum of 15 hours (on average which will some idle time as well) !”
      Oh did you watch that? “on average which will [include] some idle time as well”

      http://notionink.wordpress.com/2010/10/24/the-week-end-mini-special-part-v/

      Then later on he even talks about posting an interactive chart so people can get an idea of what time they’ll actually recieve: “I am thinking of posting an interactive chart where you all can fill in details of how you will use it and then get the usage value out!” But hey you seem to have some quote somewhere where he says “You will get min of 15 hours period end of story no questions asked” so please do share=)

      This is not a retraction, if anything this is a clarification and examples of how the battery handles on extremes because people blew his comment out of proportion. Kind of like how you’re blowing this blog post out of proportion calling it a retraction.

    • andrew britton said, on October 30, 2010 at 00:48

      When the ipad say 10 hours they are saying under “normal use”, Archos 101 say 10 hours- again it is considered normal use. Exopc gets 3.5 hours – normal use! So when he say 15-20 hours it is automatically assumed normal use and that it can do 5- 10 more hours than the ipad!This is a brave and outstanding claim that was aimed at saying it is better than the competition, which is why it has gained a lot of attention! it has now been retracted, or at best heavily toned down-like it or not. I am surprised you guys don’t see it like this. But we will just have to wiat to see the official tests.
      The fact that i see it like this means others will do to- this is not debatable. Lets just wait and see.

    • civil said, on October 30, 2010 at 07:06

      @Andrew

      And while adam can handle 6 hours of hd playback full brightness full volume the ipad managees about 3.5 hours so adam is still heads above the competition.

      I’ve been trying to figure out how we are seeing this differently and the only thing I can think of is that you don’t understand how the tasks he did in this post were high power tasks vs something that requires very little power such as browsing the internet on wifi. An analogy I have come up with would deal with cars. Lets say when you drive you usually get 25mpg. One week you have to tow around a trailer, which requires more power from your engine=lower mpg. These extreme cases are like the trailer, requiring more power from the engine(adam) and using more fule(battery).

      I stand by saying this wasn’t anywhere near close to a retraction as rohan had not said “15 hours of extreme battery draining use” but 15 hours of his personal use.


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