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Can portable jump starter supply mobile power?

Discussion in 'Electronic Basics' started by [email protected], May 28, 2008.

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  1. Guest

    Left over from my boating days is a 300amp portable jump starter (www.
    4earlybirds.com/jump charger.jpg) Both a laptop and small hp inkjet
    printer are carried in my car along with two 75w DC/AC inverters that
    plug into the cigarette lighter. The laptop is powered via the car
    battery. Would it be practical to power the pinter simultaneously from
    the female DC plug on the jump starter?
    Upwards of 100 prints may be made in a single 5-6 hour day, over
    varying intervals. (Am trying to avoid carrying a deep cycle battery
    and dedicated inverter.)
     
  2. Rich Grise

    Rich Grise Guest

    You could, but it wouldn't last very long. They're designed to start a
    car; they can put out 600 amps or more, but only for a few minutes. Go
    ahead and spring for the deep-cycle (marine, golf cart, RV) battery.

    Good Luck!
    Rich
     
  3. terryc

    terryc Guest

    Yes, but I don't know if it last that long, aka , do the number of prints
    you want.
    I would seriously suggest getting a second battery installed. Make it a
    deep discharge lead acid and run the laptop and printer off the second
    battery. it would be a lot less fiddly then what you are going toend up
    doing with the jump starter. Also, AFAIK, you would get better life and
    value out of a decent capacity deep discharge lead acid battery than you
    will out of the SLA in the jump starter.
     
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