How check with devices powered batteries

Batteries are always present in our lives. From watches to cars with remote or flash, they all need energy, we withdraw from the mundane batteries.
The problem occurs when we have so many batteries around the house that I do not know which is loaded and discharged.
Meter is a tool that helps us to see how the battery is loaded. Unfortunately, not everyone has the multimeter or not everyone cares to look for it / use it, just to check the batteries.
Fastest method for detecting the discharged battery, consists of "tapping them on the table" and observe the reaction. This method of checking battery actually works, and not some figment.

How check with devices powered batteries

How check discharged batteries?
Draptă on a surface, solid and stable, from 5 cm, the battery easily escape in a controlled manner. If the battery jumps easily, it is discarded or used for a longer period. The batteries charged, not conduct it, they are hit easy meal. Charging the batteries, if they stick to the table, do not jump at all.
Interesting observation!
If you use this method to check the batteries downloaded more time, you will realize that batteries are discharged than others; Because not all jump as batteries.
It may be something in battery to power, but insufficient for serious electronics.
How does the method to check the batteries?
Batteries are made up of three main components, among others. We anode, cathode and electrolyte, which in the case of alkaline batteries, is a base (alkaline) the consistency of a gel. When the battery is used, the chemical reaction occurs that produces current. The chemical reaction that transforms the electrolyte, the gel into a solid mass, crystallized. Therefore batteries or near consumed, are jumping.

Video Tutorial - How check with devices powered batteries

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About Cristian Cismaru

I love everything related to IT & C, I like to share the experience and information that we accumulate every day.
Learn as you learn!


  1. but beware lest you Taiti was dumped into water cut battery. it will explode quite violently. and be careful how and where to cut due to moisture may explode. for saying that Cristi gel that reacts very violently with water. If you want to experiment outside but do not bang facetil advise for the eyes can burst or hitting someone. and even when it discharged explode as remnants of gel. Additionally, make sure that it is highly toxic and can even contain other heavy metals besides mercury

  2. Hello. A linux videotutorial with installation and personal mail server setup can? I have a web server and keep a "" page. Now I would like to have my own personal mail "[Email protected]". I do not have confidence in hosting free or paid ... if I still have a linux server cares about me.
    if you do not have time or have other reasons a more explicit guidance on how a beginner in internet mail servers on Linux? I searched I give I give commas. Saying no one from head to tail exactly how.

    • My advice would be to pay for hosting. Find and 1 dollar a month, and you'll have plenty of tools at your disposal.
      The server kept home is the worst idea. First you'll have non stop noise. Net providers do not really agree with servers at home, and sometimes block the ports 25, 21, 22. Current'll consume more than 1 dollar per month. Problems will arise in time, they will waste energy and will keep you in business.
      Email server kept at home can be seen as a source of spam; And if that happens, your server will become useless.
      Seriously; I do not recommend!

      • Cristi yes I know, you're right. I found the 6 euros / month hosting full options. I would like to know how to do a mail server on Linux and thought are not the only one who wants. 25 port was closed to unlock request that I made and I locked myself in the server do not spam greasela until something concrete to manage mail server. There are many companies that linux server with: web server, mail, ftp ... .. not think it's very difficult to give still have not found concrete information.

        • Hello
          I hope to be helpful.
          Server you can do at home quite simple, if you already nume.domeniu, I guess you already solved dynamic DNS so always point to your dynamic IP.
          To make a server, search for a tutorial on installation: Postfix + Dovecot + SpamAssassin + clamav + mysql (optional, but it's easier to progestins users) is a pretty good combination. Owning something for years, go smoothly.

          • Hello . thank you for the advice . I managed it. But sending mail reaches its destination yes no going backwards. I can not receive mail. Even with spam. I think there's something to set ROTLD or my dns server. I do not know…
            I still have to learn …

  3. Hello Cristi
    It would be interesting one or more tutorials on computer auto ECU, encompassing and software to write and erase instruction

  4. Salut.Am gone ""I see my tutorial and i says" Could not load plugin ".de Why can not I see?

    • To watch that tutorial, you need flash player. Perhaps you do not have flash player installed correctly or not use plugins that block the flash or scripts.
      I tried on the different browsers with Flash Player and going well.

  5. Thank you, very useful!

  6. I greet you and wish you a new year of health for all, not least, those of
    Please help me and me to a problem that does not give head.
    I have an Acer Aspire One small and can not instalz windows lam xp.Precizez as before when bought new XP installed on it, but after a while I installed Windows 7.Acum moves hard and mam thought that if you go back to XP a move more bine.Si me say that will not boot from stic.Ce por do? I thank you from the bottom of my heart.

    • And I have an acer with 10 "diag. Intel Atom, win xp came from the factory. I put win goes well 7 starter and not very good. BIOS boot sequence is set. Pt boot on everything google search in Poplar
      Happy Birthday and a lot of health!

    • Vasile only option for you to install XP on the netbook is to buy a USB external dvd ... 150 lei stick with xp cd dvd-u-u externally connected to port usb..selectezi to boot from the external dvdu it. .in check BIOS sATA ports to be on the AHCI or IDE not to go giving F10 not save u Bios settings and follow the installation steps.
      Happy New Year.

  7. Hi Cristi, recently I fried the meter, the rush I plugged in without giving the diode on alternative and was melted wiring: I saw in your tutorial a meter and I'd like to know the and whether the price is worth it to me and I buy one. Thanks

    • I honestly do not even know how he got this measuring device to me. I think I've got from my brother.
      I do not think multimeter is great tool, but do your job with him.
      Find equipment like this through specialty stores or on eBay or Amazon.

  8. Happy Birthday and health and you fulfill all wishes and 2016

  9. QI have you looked at?

  10. Ctisti I have a request which does not take the subject of this tutorial.In last summer launched a phone with android possibilities for those with a tight budget ... Allviev A5_Easy.Se can make a tutorial to root this device? Is Android software 5.1 Lollipop.

  11. You're hard Cristi, as a rule.

  12. Hi, could not create a forum of this website say in which to discuss all kinds of things, not to find tutorials on batteries commenting questions about installing Win XP. I assume that the site has enough visitors and those who have problems and would need help to find it could then. Certainly would find little moderation and volunteers Videotutorial pebtru team to be able to focus on their core occupation. I hope you are comfortable with the idea of ​​forum and especially to be feasible. All the best.

  13. HimlerSS said

    I test them otherwise until now. Stuffing a finger in his mouth to moisten it and make it negative terminal of the battery then touched tongue terminal of the battery. If I'm running, it means that were not downloaded :))

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