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12 volt batarya şarj devresi (12V input, 12V battery charger)

Konusu 'Elektronik Devreler' forumundadır ve uydudoktoru tarafından 4 Kasım 2010 başlatılmıştır.

  1. uydudoktoru

    uydudoktoru Tanınmış Üye Yönetici Yönetici

    13 Haziran 2009
    Ödül Puanları:
    Some of you might wonder why a charger is needed at all, to charge a 12 Volt battery from a 12 Volt source! Well, firstly the "12 Volt" source will typically vary anywhere from 11 Volt to 15 Volt, and then a battery needs a controlled charge current and voltage, which cannot result from connecting it directly to a voltage source.
    The charger described here is intended for charging small 12 Volt lead acid batteries, such as the gelled or AGM batteries of capacities between about 2 and 10 Ah, using a car's electrical system as power source, regardless of whether the car engine is running or not.
    I built this charger many years ago, I think I was still in school back then. On request of a reader of my web site, I'm publishing it now, despite being a rather crude circuit. It works, it is uncritical to build, and uses only easy-to-find parts, so it has something in its favor. The downside is mainly the low efficiency: This charger wastes about as much power as it puts into the battery.​



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