One can go to talk about the benefits of Android – the flexibility of the platform, thousands of different device models to suit every taste, an abundance of first-class and often free software. But six years of life with green robot exists and one continuing lack – short lifetime on a single charge. Why, in this vital area is not observed little or no progress? Or maybe he’s still there, we just do not see it?
Features smartphones past years now raise a smile – well, as you can trust device with battery 1390 mAh (Motorola XT720), or worse, 1230 mAh (HTC Desire HD)? It is a small battery capacity and high power consumption of the first versions of Android a long time stuck behind the platform image devices for those who are constantly looking around to find the socket.
Year-on-year technology internal layout of the devices has been steadily growing up – to reduce the technological process chips, printed circuitry compacted cards, SD and SIM overgrown “nano-” and “micro-” prefixes in the names, simultaneously saving space. All this led to the fact that smartphones frees up space for a larger battery.
To the delight of shoppers strip capacity year by year grew above all – skipping all the intermediate stages , now we can talk about the standard in the 2600-3000 mAh, below which the majority of A-brands trying not to fall. It turns out that the battery capacity flagship devices from birth platform has more than doubled! But whether increased twice the time of the devices? Not at all.
Most manufacturers decided it wiser to let squeezed Energy by feeding additional pixels to the screen, animated “beautiful” brand shells and are eager for the new battery mobile communication standards (4G). One day battery life is still the de facto standard for all manufacturers. Overnight android smartphone charge – its natural state.
Of course, there are exceptions to the rule – smart phones with giant batteries 4000 mAh or more. Such an apparatus can easily hold two days or even more, depending on how it loads the owner. The price we will pay for more capacity – the thickness of the device. All devices with batteries have a thickness of not less than 12 mm, which in these times of high demand for subtlety very much. And the weight of them is not small.
But to say that the industry is not moving in the direction of a more elegant solution to the problem, it is impossible. Several top vendors have developed their own schemes save precious energy. One of the first-born philosophy of total savings was the technology of Stamina in flagship devices Sony. Later extreme power saving modes appeared at Samsung and HTC.
Keep up with the manufacturers and developers of the platform. The creators of Android called cardinal improvement of particular vulnerability management projects. The first was Project Butter, gave the welcome androids smooth interfaces. Second – Project Svelte, whose task was to make sure of the “chocolate” version even with 512 MB of RAM and thus defeat the reigning confusion many different iterations of Android on the market. Now it was the turn of surgery in the main Achilles heel – the system power consumption.
Project Volta gives devices based on Android L (5.0) a lot of new technologies electricity savings. Application developers will be given new tools to help you understand how and why the program affects the battery life (Battery Historian). There will be an additional means of control to ensure that certain processes do not start when the battery is running out (Job Scheduler API).
For example very hungry for power update in the Play Store application will only work if there is a certain level of charge or connect to an electrical outlet. Also, the system does not wake the device to carry out associated with the network connection, if you do not find this very network.
In addition, the Android L will have its own regime of extreme energy efficiency. When the selected user (from 20% to 5%) of the residue of an energy reserve, it will reduce to a minimum brightness of the display, processor speed, turn off the animation envelope and data transmission through the mobile network and Wi-Fi, as well as other unnecessary running applications interfaces.
Completed our foreign colleagues tests show that even now, in beta testing (Android L Developer Preview), Project Volta provides a distinct results with the naked eye. Windshield comparison Nexus 5 for Kit Kat and Android L at a fixed scenario gives 36% of the benefits in the time of the last. And all this – with extreme power saving mode disabled and non-optimized third-party applications.
As you can see, the problem of power-saving Android nobody has forgotten – it concerned and platform developers, and manufacturers of smartphones. Sooner or later, we again return to the habits of past “push-button” era – charge the phone every few days and quietly leave the house, even if the battery indicator shows pitiful dozen percent charge.
And how do you feel about what about the battery need to worry every night? At what hour your smartphone usually turns into a lifeless brick? What are you bringing it to such a state?
| Sony | Samsung | HTC | |
| Name | Stamina | maximum energy saving mode / Ultra Power Saving mode | Critical power-saving mode / Extreme Power Saving mode |
| Features | Decrease screen brightness; ban on the use of background data applications; disable Wi-Fi and Bluetooth; to create a list of applications with access to the data network | Display mode ” shades of gray “; ban on the use of background data applications; push-delivery notifications to a centralized server; to limit the number of available applications; disable Wi-Fi and Bluetooth | Decrease screen brightness; ban on the use of background data applications; disable vibration feedback; lowering the operating frequency of the processor; to limit the number of available applications; disable Wi-Fi and Bluetooth; off pedometer |
| Model | Battery Capacity, mAh | Volume body, cc | Odds battery capacity to the volume of the body (more – better) |
| Smartphones | |||
| Lenovo S860 | 4000 | 119.0 | 33.6 |
| Motorola DROID MAXX | 3500 | 83.2 | 42.0 |
| Sony Xperia Z2 | 3200 | 85.8 | 37.3 |
| OnePlus One | 3100 | 104.6 | 29.6 |
| LG G3 | 3000 | 98.5 | 30.4 |
| Fablety | |||
| Huawei Ascend Mate 2 | 4050 | 130.0 | 31.1 |
| Lenovo Vibe Z2 Pro | 4000 | 101.0 | 39.6 |
| Oppo N1 | 3610 | 127.0 | 28.4 |
| LG G Flex | 3500 | 114.1 | 30.6 |
| Alcatel OneTouch Hero | 3400 | 109.5 | 31.0 |
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