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  • #16
    The one I just got from Napa was a USRM-1, It's a deep cycle type that was said to be around 99 amp hour. How does that rate?

    Bob Johnstone
    64 GT Hawk (K7)
    1970 Avanti (R3)

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    • #17
      True "deep cycle" batteries are usually used on such things as trolling motors and electric fence chargers that draw realitively low amps for long continous periods. The advantage they have over auto batteries is that they can be discharged till dead and charged back up fully repeatedly without damage. Auto batteries don't go for that foolishness and die a premature death in short order when doing so. However, auto batteries are able to provide a bigger "kick" when used on something like a car starter that requires lots of amps for short periods. Most deep cycle batteries meant for the trolling motor type uses don't use posts but have terminals made for attaching cables with bolts like a lawn mower battery.

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      • #18
        Thanks for more battery information that I can use in this lifetime. What I'm going to do is;

        Get a 6 volt Ultima battery, mount it diagonally in my series 1 case (it will fit with room to spare) and build a dummy tar top battery around it from scavenged (non battery) materials. With any luck no one will even notice it at South Bend. No, I'm not having my car judged, too many improvements.

        [img=left]http://www.alink.com/personal/tbredehoft/Bothcars.jpg[/img=left]
        Tom Bredehoft
        '53 Commander Coupe
        '60 Lark VI
        '05 Legacy Ltd Wagon
        All three Indiana built OD cars

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        • #19
          Deep cycle batteries also take a lot longer to charge. Car batteries are supposed to be "start cycle".
          /H

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          • #20
            Great idea, Tom! That way you get the best of both worlds and if anyone says anything about it, tell them you'll give them a jump start when theirs won't crank. I'd like to see your dummy when you get it made.

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            • #21
              John, you'll have to find it by yourself at South Bend.

              I received my Red Top 6 volt Optima battery today and YES it does fit diagonally in a Group 1 battery case. Now to cobble together the 'shroud.'

              [img=left]http://www.alink.com/personal/tbredehoft/Bothcars.jpg[/img=left]
              Tom Bredehoft
              '53 Commander Coupe
              '60 Lark VI
              '05 Legacy Ltd Wagon
              All three Indiana built OD cars

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              • #22
                I have to let on what happened here. Initially, I didn't have the original battery available, so I went over and at the counter-bot's advise, took the Deep cycle battery (Interstate USRM-1). He said it was the same or better than an auto battery. There was NO information on the battery as to CA or CCA.
                So, I emailed Interstate about it and they replied the USRM-1 was suitable for my application, as the USRM-1 has 99 amp/hrs. They didn't elaborate on the CA or CCA as I requested.

                After seeing what was discussed here, I went to the Interstate website and it shows two distinct batteries, the USRM-1 (Deep cycle) and a 1-VHD (Auto battery), the 1-VHD having more plates, etc than the Marine type. It doesn't show a CA or CCA for marine batteries, but the VHD had 720 CCA.
                Went back to the NAPA place on Friday and the NAPA-bot says that "Interstate says they're the same battery". (Physically they are alike)
                Went home and emailed Interstate again about the information on their website.
                Now, it's Monday and no email from Interstate... So, I got the old battery out of the car and guess what. It was a 1-VHD, so I took it and a printout of the Interstate site, back to NAPA this AM.
                I said that I wanted to return it, etc and guess what. They had a 1-VHD on the shelf, which I took home. Right to the end, they claimed I had bad information.

                If I didn't care about maintaining relations with the place, I would have told them to shove it and gone up to Carquest..

                Bob Johnstone
                64 GT Hawk (K7)
                1970 Avanti (R3)

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                • #23
                  quote:... If I didn't care about maintaining relations with the place, I would have told them to shove it and gone up to Carquest..
                  Exactly why I buy all my batteries at the local battery warehouse- they know their product.


                  [img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/R-4.JPG[/img=right][img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/64L.JPG[/img=right][img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/64P.jpg[/img=right][img=right]http://www.frontiernet.net/~thejohnsons/Forum%20signature%20pix/53K.jpg[/img=right]Paul Johnson
                  '53 Commander Starliner (since 1966)
                  '64 Daytona Wagonaire (original owner)
                  '64 Daytona Convertible (2006)
                  Museum R-4 engine
                  Paul Johnson, Wild and Wonderful West Virginia.
                  '64 Daytona Wagonaire, '64 Avanti R-1, Museum R-4 engine, '72 Gravely Model 430 with Onan engine

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