I remember a rare instrument uses a battery of this size D. Type D as I recall, the largest size batteries, not just bigger, finger batteries. I have these batteries needed for the newfangled swatter, ingenious products made 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 he decided to buy them. Although these batteries for my feeling is probably the most faked batteries for almost any Chinese market, these Panasonic batteries of all types is simply the sea. But like the instance is made in Poland, according to the label 
In comparison with other formats of batteries, the capacity of batteries Panasonic D I think the format will be the largest, although it is necessary to conduct tests and measurements, since much depends on the technology used in the elements. But before that, so far not reached the hands ...
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 on a radio cassette player eats only thin batteries, form factor CR2025. By the way, and computers are used almost the same battery. As usual, had to buy a battery after it has ceased to normal remote switch. On this occasion I am reminded of the type anecdote "And you are also stronger push a button on the remote when the batteries sit in it?" Vobschem, without the remote was bored and in the near hozmage find products company Camelion. Products of this brand is already a little familiar modest audience like me, so bought without worrying 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. He 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 slightly thicker, and of course have a slightly greater capacity. However, there has to be checked, whether they climb into the battery compartment.
Battery CR2025, characteristics:
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 how to operate a look at multimeter battery? Very interesting. We take any battery and a multimeter measure the voltage. And unless the battery to operate a multimeter, then the instrument readings will show that the measured battery voltage increases to your eyes! Maybe you can even skip the tricks with this tseshkoy Vobschem in 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, because the measure was nothing, I remained in the dark, how many volts primary voltage in a battery. Then, as a check up is mandatory.
Vobschem, nothing special:
Duracell batteries
Voltage: 9V
Form Factor: 6LR61 or MN1604
Technology: Alkaline
There are times that he saw in a store any trinket, 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 underdog. Precisely it is not necessary. But just to see what was interesting in and that this is a general - ooooochen interesting
Sobsno saw this miracle, bought the night light and put himself on the shelf. Generally, compared for example with a night-light from the 220 volt nightlight luminance Phoenix can say that this night-light battery-powered night-light is not as well, shining point in the dark. And that is quite logical - one red LED will illuminate clearly not 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 ... Batteries hardly serve for long, if they are connected power diodes.
This night light bulb running on battery size 2 x size C or R14, and works I'll tell you quite a long time. Already, this night light shines a month in my sideboard around the clock, and stop there seems no intention In principle, if the day light in the room, then through the built-in light sensor (dusk sensor), it saves electricity, and probably will shine a year or more I even sometimes think that a child's nightlight. Because with him you can only play 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's hours old, and they are calculated on a standard size battery as the R14. Since the format of C is not very popular, and the choice in the store was not great - one type of battery In principle, the brand enough GP has 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 normal nominal starting voltage - 1.51 volts. Vobschem, miracles course of such a cell is not worth waiting, but nonetheless, I think working hours will be long enough.
