Good little finger batteries. Which batteries are better?
And again, not my text. But very interesting. LJ user under the nickname ammo1 did a good deed - he conducted extensive testing of AA and AAA batteries. It turned out that ordinary Duracell and Energizer batteries are no better than their less famous counterparts, but cost several times more. The most profitable batteries are sold under the Ikea and FlexPower brands (and are sold only in these stores)... But it’s better to let the author speak.
The touch panel takes up at least 72.9% of the front panel of the smartphone! It offers, for example, very good viewing angles and proper control of reflections. Brightness and contrast are also there. The only noticeable flaw is that the automatic brightness control seems a bit random. Finally, the colors displayed are very pleasing and have a saturation rate of no less than 96%.
It offers the ability to capture real black and white photos, the rendering of which is nothing like simple filtered color photos. All those who have been able to test the camera agree to praise the quality, from the point of view of the depth and contrast obtained in the images than in terms of the details captured.
The iMAX B6 was used for testing. Each battery was discharged with a current of 0.2A until it could produce such a current. To confirm the results, I tested two copies of some batteries. My experiments took almost two months, because testing each battery took about ten hours. All results are in the table.
It offers, for example, the ability to play on opening to control blur in the foreground and background. Only real problem: focus on distant objects is a bit long. 
When her nasty beauty mode is turned off, it's even one of the best devices for selfies this year. Pleasant and very easy to use, it offers an excellent automatic mode as well as a range of manual modes.
Measured battery capacity in milliamp-hours. The voltage was measured on the battery two minutes after the start of the test. After the battery “died”, it was left for some time (usually half an hour) and the test was carried out again, while it gave out some more energy - “Capacity 2”. The cost per amp hour is shown in the last column.
Data Sheet and Correct Performance
However, the resulting films offer pleasing colors but also good contrast. However, the temperature stops very quickly when activity stops.
Very nice operating system
However, it is clear that this one is increasingly pleasant to use and, in the end, the most important.
There are several themes available, as well as a range of features. For example, the "dual window" feature allows you to display multiple applications on the screen next to each other. You can also reduce the active touch surface so you can use your smartphone with one hand.
The results look more clear in the diagram.
A table sorted by cost per ampere hour shows which batteries are the most profitable.
Conclusions:
1. There is no point in buying regular Duracell and Energizer batteries. They are nothing better than batteries, which are 2-4 times cheaper.
2. Duracell Turbo Max for 38 rubles apiece, of course good batteries, but not as much as they ask for.
3. The capacity of salt batteries is three times less than that of the cheapest alkaline (alkaline) ones.
4. Trophy, Okay - not very good batteries.
5. Duracell is better than Energizer. :)
6. GP, Photon, Era, Cosmos - good batteries, the difference in capacity is less than 10%.
7. The most profitable batteries are Ikea and FlexPower, but they are sold only in Ikea and F-center stores, respectively.
8. The capacity of AAA batteries is almost three times less than AA.
9. It is possible that under certain conditions (for example, when discharging with high currents), expensive Duracell batteries may be more efficient than when discharging with medium current, but it is unlikely that their capacity will be as higher, the same Ikea, as their price is higher (5.5 once).
One point of particular regret: as noted on other smartphones this year, the power management module is quite bulky. It floods the message notification bar in the most resource-intensive apps.
Suitable autonomy combined with fast charging function
Having a triple antenna also makes it possible to perform a triangular analysis of Network Antennas to systematically select the best one, and thanks to this system the device benefits from very good network capture and captures even in harsh environments, but this hyperlink comes at a cost. 
The first tests show results that are more in line with these figures. With intensive use, the device offers a day of autonomy. This duration can last up to a day and a half for moderate use, even up to a little over 3 days for low use.
Every time I bought batteries, I wondered: which ones are better. There are many batteries at approximately the same price, there are cheap batteries sold only in certain stores - Ikea, FlexPower, Okay, there are expensive Duracell, Energizer batteries. Are expensive batteries always better than cheap ones?
I've been wanting to compare batteries for a long time, and finally I did it.
Three power saving modes are also available. As the name suggests, Performance mode optimizes CPU performance and network usage. If the manufacturer promises a full recharge in 90 minutes, it will instead take about 2 hours.
However, according to the first tests, 10 minutes of charging would be enough to restore 5 hours of autonomy, and 30 minutes would recharge 40% of the battery. Besides its large dimensions and weight, it has an aesthetic similar to its little brother. It has been officially on sale in France since April 29 at a rather attractive price for a smartphone that offers all the high-end features. Feel free to contact our advisors for more information!
The iMAX B6 was used for testing. Each battery was discharged with a current of 0.2A until it could produce such a current. To confirm the results, I tested two copies of some batteries. My experiments took almost two months, because testing each battery took about ten hours. All results are in the table.
Its supposedly premium design, for example, is very successful. The black and white photos it allows you to capture are simply exceptional! Likewise, its interface is one of the most pleasant to use and offers enough personalization options to tempt everyone.
It is important to know what criteria to consider when choosing a torch online. Regardless of strength, autonomy, ergonomics, etc. We reveal everything to you in this highlighted part to the selection criteria to help you find the torch. There are 3 main categories of torch lights.
Measured battery capacity in milliamp-hours. The voltage was measured on the battery two minutes after the start of the test. After the battery “died”, it was left for some time (usually half an hour) and the test was carried out again, while it gave out some more energy - “Capacity 2”. The cost per amp hour is shown in the last column.
Headlights are most often used for activities that require both hands to be free. Offer is more limited for the following 2 categories. Great fashion for now and for several years to come. These lamps are called tactics because of their tactical switching, as you can see in the photo on the right. These lamps were on a base intended for use in the army, police, gendarmerie and other professions, whether civilian or military, for their power and strobe mode to neutralize the enemy.
Although these lamps are always inherently intended for these professions, more and more individuals are purchasing them for everyday use. What is known as "standard" are all lamps that do not have a tactical button and do not have special features, such as waterproof diving bulbs, for example.
The results look more clear in the diagram
A table sorted by cost per amp hour shows which batteries are the best value.
1. There is no point in buying regular Duracell and Energizer batteries. They are no better than batteries, which are 2-4 times cheaper.
2. Duracell Turbo Max for 38 rubles is certainly a good battery, but not as much as they ask for.
3. The capacity of salt batteries is three times less than that of the cheapest alkaline (alkaline) ones.
4. Trophy, Okay - not very good batteries.
5. Duracell is better than Energizer. :)
6. GP, Photon, Era, Cosmos - good batteries, the difference in capacity is less than 10%.
7. The most profitable batteries are Ikea and FlexPower, but they are sold only in Ikea and F-center stores, respectively.
8. The capacity of AAA batteries is almost three times less than AA.
9. It is possible that under certain conditions (for example, when discharging with high currents), expensive Duracell batteries may be more efficient than when discharging with medium current, but it is unlikely that their capacity will be as high, for example, Ikea, as their price is higher (5.5 times) .
Although these lamps are not tactile, this does not stop them from being powerful and quality according to the marks. Of course, in each of its categories there are lamps specific to certain sports, such as, for example, torches designed for diving or underwater fishing, which can be tactical or standard lamps, but with the feature of being waterproof up to several tens of meters.
Don't get me wrong, each category of lamps has different models, all more or less powerful. However, it will be easier to find a powerful torch among the tactical category than among the standard category, although the concept of raw power must be qualified, as will be seen at the point.
