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Thread: Optima batteries?

  1. 4th November 2014, 10:24 PM #1
    Hammer H
    Hammer H is offline Master Supporter
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    Optima batteries?

    Any one had experience with optima batteries for the p38? I'm considering the yellow top.

    Any other battery preference/experiences would be appreciated as well.

    cheers
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  2. 4th November 2014, 11:32 PM #2
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    Slunnie
    Slunnie is offline Swaggie Gold Subscriber
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    Awesome batteries. I use the bluetop in my D2. They are a very long lived battery.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~
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  3. 5th November 2014, 07:08 AM #3
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    daf11e
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    I also use the blue top marine dual purpose......awesome battery, been in 2. Years so far.
    2000 4.6 HSE Alveston red
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    1974 xj6l jaguar
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  4. 5th November 2014, 07:48 AM #4
    Hammer H
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    Hey, any particular reason for the blue over the red and yellow?
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  5. 5th November 2014, 08:14 AM #5
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    rrturboD
    rrturboD is offline Master Subscriber
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    Hammer H,
    Yellow top and blue top optimas share the same internals - both are dual purpose batteries. Blue is targeted at marine users. The yellow top has standard battery posts, while the blue top has posts plus a pair of bolts.
    Depending on your existing battery connection devices (clamps etc) you may be better with yellow or a blue top.
    Traxide kits are setup for yellow top. Only issue ever had with blue top was the positions of the bolts put battery connections very close to metal battery clamp, which meant clamp needed to be modified to allow clearance from connections.
    Have a look on the Marine Batteries | AGM Battery | Optima Batteries site and you will see the differences.
    I sell both the yellow top and blue for $275 ... delivered.
    Michael T
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    Aussie '88 RR Tdi300 (+lpg), Auto (RIP ... now body removed after A pillar, chassis extension to 130 & fire tender tray.)
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  6. 5th November 2014, 08:36 AM #6
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    spudboy
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    RRTurboD - I am after 4 x Blue Top D31M's.

    Are these available for $275 delivered to Adelaide?

    Thanks
    David
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  7. 5th November 2014, 08:49 AM #7
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    daf11e
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    RrturboD, I know where I'll be getting my next one from, I paid $410 for mine...a optima blue marine dual purpose 12v 800cca 66amp.
    2000 4.6 HSE Alveston red
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  8. 5th November 2014, 10:15 AM #8
    rc42
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    I have the yellow top as my primary battery, the starting crank speed is noticeably faster than the old wet cell battery that I had, also, the ability to accept a much higher charge current is ideal after using the winch.

    I had to swap batteries when the P38 was left for 2 weeks at a fabricator's having work done and the battery fully discharged and died, along with the new battery I fitted a 40W flexible solar panel onto the bonnet with a small solar charger so that won't happen again.

    The only downside of these is the limited reserve capacity but I fitted a 130Ahr deep cycle in the back to cover the power needs without the engine on and I recently upgraded the dual battery charger from a crappy 'SuperCheap' special to a 40A DC-DC Redarc which works much better.
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  9. 5th November 2014, 11:50 AM #9
    TheTree
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    Al lot of people have good reports of the SuperCharge All Rounder, I ran one in my 99 and there is an MRV70 in my 96 now, excellent fully sealed batteries

    Steve
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  10. 5th November 2014, 01:22 PM #10
    Hoges
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    Quote Originally Posted by TheTree View Post
    Al lot of people have good reports of the SuperCharge All Rounder, I ran one in my 99 and there is an MRV70 in my 96 now, excellent fully sealed batteries

    Steve
    x2 mine are 4yrs old now. One is the main battery for the P38 and the other (105AH) serves multiple tasks including powering a cable-converted 12V cordless drill to fix screws into a wooden deck /uninterruptible power supply for a computer /52L car fridge.... and an Aldi winch which has never seen action on the P38 but is very handy for lifting stuff up 2 storeys to my deck
    The secret is to treat them early with a dose of Innox, don't let them fall much below half charge, and keep them topped up with a proper multi-stage charger.

    supercharge at one stage also gave a sizeable AULRO discount...

    PS speaking of batteries... my bro showed me a battery last weekend which he carries in his "pilot" case. It's about the size of a Samsung Galaxy 5 phone but twice as thick... it can withstand a drag of 200 AMPS (400 in an "emergency") ...two of them in series and he can jump start his C-172 (24Volt system) if it has been idle for a few weeks. It easily started a 4cyl Camry with a dead battery... It has a couple of sockets in the casing to charge mobile phones/computers etc. IIRC it's called a Hi-Tec Multi-function mini jump starter ...
    MY99 RR P38 HSE 4.6 (Thor) gone (to Tasmania)
    2020 Subaru Impreza S ('SWMBO's Express' )
    2023 Ineos Grenadier Trialmaster (diesel)
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