To date, such power sources as batteries and rechargeable batteries have very strongly entered human life. Thanks to them, the work of consoles, cell phones, cameras, flashlights and many other devices has become possible. That is why the markets represent a huge assortment of various batteries and power sources. Consider the batteries and batteries of the brand "Krona".
A few words about the story
Batteries like "Krona" have a very rich history. They were first released back in 1956 by Eveready, now better known as Energizer. A little later, the monopoly of this company was destroyed, as a result of which a battery “Krona” of the brands Kodak and Duracell and other manufacturers appeared.
Its current name, this power source was already in Soviet times. Then, under the “Krona” brand, manganese-coal batteries of non-standard size were manufactured - 26.5 × 48.5 mm in width and height. A little later, by analogy with this “format”, all power sources began to be called “Krones”.
Today, this battery is very popular and indispensable for gadgets. It gives the current much more power than any other batteries. Let's take a closer look at such a power source as the Krona battery.
Battery "Krona" 9v compared with the finger has the following advantages:
- They are smaller, and therefore easier.
And the most important thing is that the “Krona” 9v battery holds a charge for a long time, but it tends to self-discharge, therefore, before making a purchase in the market or in a store, be sure to check the date of manufacture.
Types of "Kron"
This type of battery is divided into reusable (batteries) and disposable. Disposable, in turn, are divided into:
- manganese-zinc salt;
- lithium iron disulfide and others.
Batteries basically differ only in capacity - from 150 to 700 MPa / hour.
The battery “Krona” (photos are given in the article) is notable for its high performance, it produces a voltage of nine volts at the output. The size is 48.5 × 26.5 × 17.5 mm. The standard capacity is approximately 625 mA / h. Mass - about 53 g.
Battery capacity varies greatly depending on the chemical elements. The most common ones are:
- Nickel-cadmium elements (Ni-Cd) with a maximum capacity of 150 mA / h.
- Nickel-metal hydride elements (Ni-MH), which are produced a little more powerful - in the range of 175-300 mA / h.
- Lithium-ion (Li-ION) - the most capacious elements of 350-700 mA / h.
The device battery “Krona” and scope
When disassembling this battery, you can see a picture that is unusual for the “insides” of ordinary batteries. Under the metal case are 6 series-connected 1.5-volt batteries, giving a total of nine volts at the output.
The battery “Krona” is used, as a rule, in control panels for toys and devices. Also, it can often be found in different GPS-navigators and shocker.
Despite the fact that manufacturers of power sources often write that batteries of this type are disposable, and you can not charge them, but folk craftsmen proved the opposite. How can I charge a one-time “Krona” type battery? First of all, you need to make a reservation - this is done at your own peril and risk, because if the voltage is incorrectly selected, then such a battery can “please” its owners with an unforgettable firework. So, first of all, we determine the charging current of the battery, for which its capacity is divided by 10 (150/10 = 15 mA / h). The charger must not exceed 15 volts. Currently, many Chinese-made quality blocks are produced, where both the current strength and the voltage are regulated, so there should not be any special problems with this. In this way, “Krone” can extend life by two or even three cycles. Considering the moment that it discharges long enough, this is a very good result. But it should be borne in mind that if the elements inside the battery are dry, then it will no longer be able to charge it again. But, unfortunately, only “opening” can determine this.
Saving on charging "Kron", do not forget that the savings should be within reason, you should not charge disposable items more than 2 times!
“Krona” - rechargeable battery
Many electronic devices operate on batteries. This type of food is quite convenient, it can be easily purchased at almost every store. How to choose batteries, rechargeable batteries and what is the difference between them, besides the price?
Depending on the battery model, the following characteristics stand out:
- Manufacturer. It depends on the truthfulness of the described characteristics and product quality. Experts recommend to buy batteries and batteries only from well-known brands.
- Standard size Today there are many types of batteries, differing in their size and shape. They are designated by the corresponding symbols: AA, AAA, C / LR14, D / LR20, “Krone” battery and others.
- Voltage. It can be from 1.2V to 12V. AA and AAA batteries are typically 1.5 V. The higher the voltage, the higher the price.
- Capacity. This indicator affects the battery life and, depending on the type of battery, can be from 300 mAh to 3000 mAh. The more this indicator in batteries, the longer they work without recharging.
Batteries have high quality and will be able to serve with proper operation for years.