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Thread: battery and alternator?

  1. #1
    Newbie
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    Question battery and alternator?

    what type of battery and alternator is recomended for powering a computer?

  2. #2
    Retired Admin Aaron Cake's Avatar
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    Cool

    Whatever comes with your vehicle is fine.

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    Aaron Cake
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    "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."

  3. #3
    Raw Wave wizardPC's Avatar
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    Post

    if the only extra electronics you have are the computer and display, then you can keep the factory alternator. If youve got some other things, like powered subs, amps, CB radio, cell phone, etc, you might want to upgrade the alternator. I have a 110 AMP alternator in my truck, because I have heavily tapped the electrical supply in my truck with various gadgets.

    oh, and as long as the vehicle is running while you have those accessories on, your standard battery will be fine
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  4. #4
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    What wattage is your current alternator? i upgraded my '90 mustang 75 amp to a 130 amp

  5. #5
    Variable Bitrate
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    Red face

    I was wondering the same question - the system I'm currently working on is a regular Intel PII-266, but with a 140/250 watt inverter (shut up Aaron ) to run a 9" color monitor...hey...you use what you got, right?

    So the stock batery/alternator in my sewing machine...er...Honda Civic will be enough? Consider many 10-minute trips back and forth to work, etc (ie: little charging time).

    ~m


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  6. #6
    Low Bitrate
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    Post

    The 105 amp in my 95' Camero holds up just fine.

  7. #7
    Retired Admin Aaron Cake's Avatar
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    Cool

    As wizardPC said, for the most part stock alternators are fine. If you start putting in a lot of gadgets (high powered CB/HAM radio, high power (>500W) amps and subs, etc) then you may start running into problems. For just a simple DC-DC converter (yay!) or inverter (boo!) nothing else is required. My RX-7 has a wussy 70A alternator, and I run about 160W worth of audio (not a lot), the computer, a UV light (not much of a load), keyless entry, etc. With EVERYTHING on the car running, my voltage only drops slightly.

    ------------------
    Aaron Cake
    London, Ontario, Canada

    Player: Cyrix 200, 32MB RAM, 10.2Gig Quantum HD, Onboard EtherNet/Sound/Video, Custom Lexan Case, Arise DC-DC, Win95 Kernal w/Custom Player
    Car: '86 Mazda RX-7 w/Basic Performance Upgrades
    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."

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