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  • Time to get a new laptop?

    I am currently using a four-year-old Macbook Pro and the battery doesn't work at all. It lasts about five minutes while the laptop is not plugged in and the battery will randomly fail and shut down even while it is plugged in. It would cost me $200 or more to fix it. The Macbook doesn't work nearly...

    ziddiough5 pointsBadges:
  • Should a laptop battery stay between 30 – 75% charged?

    So I have a friend (who works in the tech industry) and he told me that laptop battery should be charged within the 30% - 75% range. He also said it's terrible to fully load the battery or to have very little battery. First off: Is that true? Second: Could I possible do this on a MacBook? He was a...

    ITKE1,072,505 pointsBadges:
  • Find a new battery charger

    I have a Minnie battery powered quad and we lost the charger (6volt). How can I buy one?

    Buckbray20 pointsBadges:
  • How to prevent the battery of an idle laptop from damaging?

    I got a laptop almost a week ago. It's Dell i7, generation 7. I used it twice but I'm not going to use it again for 6-7 months. Will its battery be damaged? What can be done to prevent this from happening? Or if using it, once in a while, is necessary then how often should I use it?

    WaqarSarfraz5 pointsBadges:
  • Soldering a doorbell

    I have no knowledge of soldering and the doorbell I believe to be wireless. What I have is an old button board that runs on an 12v battery, with LED driver, a 10k resistor and a R433A. Says it is a 07/12/27  QH-929-1A V1 which I tried search for but could not find. Take note that I'm not...

    Znazer25 pointsBadges:
  • Does my ASUS laptop need a new battery?

    I'm pretty sure my ASUS laptop needs a new battery but I just wanted to confirm. My Windows 10 bar says it won't go past 60% anymore. Just a few weeks ago - it always reached 100%. Should I just get a new battery or is there something else that I can try? Thanks.

    ITKE1,072,505 pointsBadges:
  • Is it safe to run laptop on power connection?

    This is a basic question but it's a huge issue for me right now. I currently have a Dell Inspiron laptop. I found out that my battery was damaged so it's not charging at all. I'm currently running the laptop with a power connection. The battery symbol is red and blinking however. As of today, I...

    ITKE1,072,505 pointsBadges:
  • Montior battery level of a battery

    Please, I need a design (circuit diagram) that helps me monitor the battery level of a battery and also displays the level on a LCD screen. I am making use of an arduino.

    ololade5 pointsBadges:
  • Laptops and UPS circuits

    A laptop basically has a built in UPS system where AC electrical power is converted to DC and the battery would also serve as backup in event of power failure. I've always heard that a UPS should avoid being plugged into a UPS circuit. So plugging a laptop into a UPS supplied circuit, should this...

    ironcore25 pointsBadges:
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