Roadster battery

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  • witdaz
    club member
    • Mar 2025
    • 2

    #1

    Roadster battery

    Hi everyone, I have recently joined the group and have just bought a roadster, marina based. After trawling the Internet and looking on car spares sights even with the registration number I cannot seem to find what size battery I need, if anyone could help with this I would be extremely grateful it's the marina 1800tc engine and there was no battery with the car.
  • martinclan56
    club member
    Club Member
    • Feb 2020
    • 465

    #2
    It's more a question of what do you have space for? The battery decision was very much left up to the individual builder.
    The best bet is to measure up, make sure you know which way round the +ve and -ve terminals are oriented and then go on to one of the battery websites (I use Tanya) and pick yer battery.
    The B series engine doesn't require anything special, so just go for a good make and the best CCA (cold cranking amps) you can reasonably afford.

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    • Gareth
      club member
      Club Member
      • Nov 2011
      • 498

      #3
      +1 for Tanya. They have a useful tool on their site where you put in the measurements required and which way round you need the terminals and they'll show what's available. Excellent service too!

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      • ggrum
        club member
        Club Member
        • Nov 2011
        • 782

        #4
        I also bought a Yuasa battery from Tanya for 2 litre DOHC Cabrio and was very pleased with the service. It only measures about 8" x 7" x 7" high and has a specified cranking current of 520A. Before now I've allowed the battery voltage drop to about 12.4V and its still started the car.

        Comment

        • witdaz
          club member
          • Mar 2025
          • 2

          #5
          Thanks for the advice I'll measure up now, I know I have a space for it in the passenger footwell, but sounds like a Tanya battery is going in.

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          • bobandjaneburden
            club member
            Club Member
            • Nov 2011
            • 38

            #6
            i got a yuasa 5000 battery from tanya which works well with 1.8 b series engine

            Comment