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  1. RRS Auxiliary battery upgrade to optima

    Range Rover Sport II / L494
    Hi all, I am looking to replace the start stop battery with a larger optima yellow top, the goal behind this is to be able to use it as a AUX battery and run accessories such as a fridge etc. can i just remove the stop start battery and install the larger yellow top and still have the stop start...
  2. Optima yellow Top D31A battery

    Range Rover Mark II / P38
    Will an Optima Yellow Top D31A fit into a 1999 p38 4.0 without any major modifications[mechanical or electrical]?
  3. Optima battery

    Range Rover Mark III / L322
    I bought a 75 ah optima battery to use as an auxiliary battery as per Netshumo's installation but didn't realize he had used the 55 ah battery. The 75 ah is too big to fit in the rh compartment in the boot? Can I use this battery as the main starting battery as it is only 75ah although the cca...
  4. Battery Replacement Recommendation Optima, DieHard or other?

    Range Rover Mark II / P38
    I need help in choosing a new battery for my P38 1999. The battery in it was put in by the last owner, it's five years old, it can't be correct as it is not sealed which they normally are, it has also leaked which is annoying. I have read so many posts on the internet, that I am now really...
  5. Red Optima battery replacement tips please

    Range Rover Sport / L320
    My 2007 supercharged sport's battery is NOT dead yet. I would like to put in a red Optima. Can use some tips please. Do I have to raise the battery in the tray? If so what have you used? What do I have to do so I dont lose any of my electronic codes? Any thing else? Thank you!
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