In my rare device uses a battery of this size D. Type D as I remember, most large format batteries, bigger is simply no, finger batteries. I have these batteries needed for the newfangled fly swatter, ingenious products in China. Flyswatter works on the principle of electric shock, and I must say works well, but more on that another time.
These batteries I saw in the near hardware store, where they decided to buy them. Although these batteries for my feelings probably the most counterfeited batteries for almost any Chinese market, these Panasonic batteries of all types is just a sea. But like the instance is made in Poland, according to the label 
In comparison with other formats batteries, battery capacity Panasonic D format I think will be the biggest, although it must conduct tests and measurements, since much depends on the technology used in the elements. But this has not gotten ...
Battery Panasonic General Purpose, Model D-R20BER
Voltage: 1.5 in
Type: D (D)
Size: XL Size, LR20
Technology: Zinc Carbon, the contents of 0% Hg
Production: Poland
Vendors: Belgium
Manufacturer: Matsushita Electric Industrial Co.Ltd. Japan
My small and slim remote control at the unit eats only thin battery form factor CR2025. By the way, and computers are used almost the same battery. As usual, had to buy a battery once the board has ceased normal switch. On this occasion I am reminded of the type anecdote "And you also stronger push the button on the remote when the batteries sit in it?" Вобщем without the remote was bored and in the near hozmage find products company Camelion. Products of this brand is already a bit familiar to a modest audience like me, so I bought without having to worry that they will stop working after a couple of days. And as it turned out not in vain, because the products produced under the control of "CAMELION Batterien GmbH", which has roots in Germany, and the quality of German products to tell I think not. I could not measure the initial voltage of 3 volt battery. It amounted to 3.13 volts, which gives hope for a bit longer battery life. Incidentally, the batteries CR2025 virtually interchangeable with the elements CR2032 - but they are just as thick, and naturally have a slightly higher capacity. However, here we must check whether they vlezut in the battery compartment.
Battery CR2025, features:
Manufacturer: Camelion
Official site Camelion (ENG / DEU): http://www.Camelion.com/
Battery type: Lithium
Form Factor: CR2025
Interchangeable analogues: DL2025, 5003LC, E-CR2025
Voltage: 3V
You know what it looks like stranded in the multimeter battery? Very interesting. Take any battery and a multimeter measure the voltage. So unless the multimeter battery is stranded, the readings will show that the measured battery voltage is increasing before your eyes! Maybe you can even skip the tricks with this tseshkoy Вобщем, a multimeter battery is 9v, so I had to buy a new one, and unlike the previous incomprehensible manufacturer, this time I decided to buy a proven brand Dyurasel. However, due to the fact that the measure had nothing, I was left in the dark, how many volts primary voltage in a battery. Then, as any check required.
Вобщем, nothing special:
Duracell Battery
Voltage: 9V
Form Factor: 6LR61 MN1604 or
Technology: Alkaline
It is possible that he saw in a store some trifle, I want to buy it. Although well aware that without it you and so good. So it was at this time LED night light battery powered, all for about 70 rubles a thing in the economy weakly needed. Specifically completely unnecessary. But just to see what's interesting in and it is a general - ooooochen interesting
Sobsno saw this miracle, had bought the night light and put on your shelf. In general, compared with night-light for example from 220 volt nightlight luminescent Phoenix can say that this night light battery powered night-light is not as well, shining point in the dark. And it is quite logical - one red LED clearly will not cover the whole room. Even if you make a night light on a few LEDs, a battery-powered night light will shine Bole less - BUT! Not for long ... The batteries hardly last for long, if they are to connect the power diodes.
This night light bulb powered by 2 batteries format size C or R14 , and running I'll tell you quite a long time. Already, this night light shines for a whole month I have on display around the clock, and stop there seems no intention In principle, if the room during the day light, thanks to built-in light sensor (dusk sensor), it saves electricity, and probably will shine a year or more I even sometimes think that children's night light. Because it can only be played and not use it. And children love to play with all kinds of flashlights
Batteries of this size nowadays used less and less to the same standards for small batteries AA and AAA are not much cheaper, and sell them more And yet, I needed one such battery, because there are hours old, and they are calculated on a standard size battery as the R14. Since the format of C is not very popular, and choice in the store was not great - one type of battery In principle, the GP brand enough established itself as a good manufacturer, and do not trust him there was no reason, and I bought a set of batteries GP. In contrast to the high-capacity batteries Energizer batteries GP showed a normal nominal starting voltage - 1.51 volts. Вобщем, miracles course of such a cell is not worth waiting, but nonetheless, I think working hours will be long enough.
