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Just got a 12v UPS

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  • Just got a 12v UPS

    do i need a diode when i wire it in, to stop the starter motor draining the ups battery.
    My Setup

  • #2
    hey thats great man! Can you give me more specifications about it? If i guessed right, it's actually an inverter with a battery incorporated right? can it be used with windows software like normal computer ups ? how long does it take the computer to drain the battery?

    can you tell me where did you get it from?


    • #3
      For one thing a diode that LARGE lol.
      Why don't you just put the ups on a switch that simple that's how my ups is in my car just use a 30 or 50 amp relay on the power + side and that works sweeet!


      • #4
        Remove the UPS battery, and just connect it to a 12V source in the car instead. Do not parallel the small batteries with the large car battery. Bad things will result from voltage differences, etc.
        Player: Pentium 166MMX, Amptron 598LMR MB w/onboard Sound, Video, LAN, 10.2 Gig Fujitsu Laptop HD, Arise 865 DC-DC Converter, Lexan Case, Custom Software w/Voice Interface, MS Access Based Playlists
        Car: 1986 Mazda RX-7 Turbo (highly modded), 1978 RX-7 Beater (Dead, parting out), 2001 Honda Insight
        "If one more body-kitted, cut-spring-lowered, farty-exhausted Civic revs on me at an intersection, I swear I'm going to get out of my car and cram their ridiculous double-decker aluminium wing firmly up their rump."


        • #5
          I forgot about that thaut he would do that!


          • #6
            thanx aaron and radioman, i was going to connect the two batteries together ... but with a diode to stop the starter motor draining the ups battery, by not using the ups battery, i will save space, and can fit everything in one box.

            Instead, i will leave the ups switched on, and use a relay to switch power to the ups from the car battery.

            armoured: correct! i got it from ebay uk, try 4 more info... i got the apc back ups 400, btw

            i should have it going by sunday, i`ll let u know how it goes.

            thanx again
            My Setup