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  • cordless impact driver Ah rating

    Hallo

    I am about to invest in cordless impact driver on 18v system, I shop around (RIDGID, Makita, Hitachi, DeWalt etc..), then I notes that not all 18v system are the same theres 3.0 Ah and 1.5 Ah on the battery system, What are the difference.

    I will use my impact driver in tight spaces to extract bolt, I do some woodwork, but mainly automotive

    Sorry if I am in wrong forum or in wrong section.

    thank you

  • #2
    Re: cordless impact driver Ah rating

    You're obviously only looking at Makita if you're mentioning this...

    3.0 / 2 = 1.5

    The smaller batteries don't last as long...
    Last edited by dlarrivee; 02-06-2011, 05:02 PM.

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    • #3
      Re: cordless impact driver Ah rating

      IMHO, if you're doing automotive, try like hell to find a kit with NiCad batteries. They don't last as long (both service life AND runtime), but lithium batteries aren't the best idea for high load use. If you can't find a NiCad set, opt for the highest Ah lithiums you can get.
      "HONK if you've never seen a gun fired from a moving Harley"

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      • #4
        Re: cordless impact driver Ah rating

        Originally posted by Doctordeere View Post
        IMHO, if you're doing automotive, try like hell to find a kit with NiCad batteries. They don't last as long (both service life AND runtime), but lithium batteries aren't the best idea for high load use. If you can't find a NiCad set, opt for the highest Ah lithiums you can get.
        Since when do you use an impact driver for automotive work?

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        • #5
          Re: cordless impact driver Ah rating

          Originally posted by dlarrivee View Post
          Since when do you use an impact driver for automotive work?
          The cordless impact drivers won't loosen a lug but I have used them for removing small rusted nuts/bolts.

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          • #6
            Re: cordless impact driver Ah rating

            Originally posted by ws6316 View Post
            Hallo

            I am about to invest in cordless impact driver on 18v system, I shop around (RIDGID, Makita, Hitachi, DeWalt etc..), then I notes that not all 18v system are the same theres 3.0 Ah and 1.5 Ah on the battery system, What are the difference
            The higher Ah batteries will have more endurance. The lighter 1.5 Ah batteries can be useful for overhead work.

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            • #7
              Re: cordless impact driver Ah rating

              Originally posted by dlarrivee View Post
              Since when do you use an impact driver for automotive work?
              Go to your local shop and ask for yourself. Impact wrenches (but usually pneumatic) have been used in automotive service for decades. Milwaukee has had 18V & 28V 1/2 inch impacts for several years (which WILL remove/install lug nuts), and the smaller 3/8 and 1/4 have become very popular with mechanics as well. Any professional mechanic will have a few. I have almost a dozen in various configurations and use them daily.
              "HONK if you've never seen a gun fired from a moving Harley"

              Comment


              • #8
                Re: cordless impact driver Ah rating

                Originally posted by Doctordeere View Post
                Go to your local shop and ask for yourself. Impact wrenches (but usually pneumatic) have been used in automotive service for decades. Milwaukee has had 18V & 28V 1/2 inch impacts for several years (which WILL remove/install lug nuts), and the smaller 3/8 and 1/4 have become very popular with mechanics as well. Any professional mechanic will have a few. I have almost a dozen in various configurations and use them daily.
                I guess I should have made it obvious and bolded DRIVER for you.

                An impact driver, and impact WRENCH, are NOT the same thing!

                Do you own any impact sockets with a 1/4" hex shank?

                Also, you're not getting anywhere near my vehicles if you install and torque lug nuts with an impact wrench...

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                • #9
                  Re: cordless impact driver Ah rating

                  Originally posted by dlarrivee View Post
                  I guess I should have made it obvious and bolded DRIVER for you.

                  An impact driver, and impact WRENCH, are NOT the same thing!
                  Aside from the retainer, yes, they are.

                  Originally posted by dlarrivee View Post
                  Do you own any impact sockets with a 1/4" hex shank?
                  Actually, yes. An inch set, 1/4 to 1/2 and a metric set 7mm to 13mm

                  Originally posted by dlarrivee View Post
                  Also, you're not getting anywhere near my vehicles if you install and torque lug nuts with an impact wrench...
                  Didn't offer to.
                  "HONK if you've never seen a gun fired from a moving Harley"

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