Replacing the OEM Battery in our 150's Prado with a Optima Yellowtop?

Submitted: Saturday, Apr 19, 2014 at 08:31
ThreadID: 107357 Views:6349 Replies:5 FollowUps:2
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Hi all,

Our Factory OEM battery under the bonnet is starting to show the ever so slight signs that it's starting to get weak, so with us heading up to the cape this year, I was thinking of replacing it with the Optima YellowTop D27F (66Ahr & 309mm in length) or the D31A (75Ahr & 326mm in length).

I have a Optima D34 (55Ahr) as my AUX battery. This was chosen due to ease & quickness of charge and the allowable Depth of Discharge too, along with a lighter weight when compared to the heavy DC batteries. I also wanted to protect my inner guards from any cracking if possible.

What are people's experiences with these Optima Batteries, etc ??

RobM
Cheers..... RobM
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Defender 110 Tdi300 "Old School Tourer for Solo Trips"
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Reply By: HKB Electronics - Saturday, Apr 19, 2014 at 10:05

Saturday, Apr 19, 2014 at 10:05
I have a D27 in my Prado 120, no problems so far, friend has a D27 in his 120 also, agian no problems, he has do around 40000K's of outback travel with his.

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Reply By: gbc - Saturday, Apr 19, 2014 at 13:45

Saturday, Apr 19, 2014 at 13:45
Just finished a two week trip. My d31 started shallow charging on the car/solar so needed a quick cycle through on the smart charger. This isn't the first battery I have had to do this with. Apart from the above they are good as gold.
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Follow Up By: Pothole - Saturday, Apr 19, 2014 at 14:40

Saturday, Apr 19, 2014 at 14:40
Optima I have had 2 stuff up one under warranty one just out of warranty. Both were the yellow top. The red top optima is still going strong. I have a normal deep cycle lead acid in there now as I was in the middle of no where when it gave up. I needed to get things happening quick , as it runs the frig. The lead acid battery would be 3-4 years old now no probs.

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Reply By: RobMac (QLD_Member) - Saturday, Apr 19, 2014 at 18:10

Saturday, Apr 19, 2014 at 18:10
These Optima Batteries are hard to get use to in that u can use more of the capacity of them.... The website says u can use 100% of the capacity (ie: down to 10.5volts). The 55AH worked OK out in the colder climates of the desert but I must admit I'm a little concerned with the warmer climate of The Cape. If we stay somewhere for 2days I reckon I'll run out of power for sure & that I'll have to run the engine to recharge it to 2 or more days out of it...... If I had the room, then a Solar Panel would be the go but room is at a premium with a family of 5 in a Prado......
Cheers..... RobM
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Defender 110 Tdi300 "Old School Tourer for Solo Trips"
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Follow Up By: Bob Y. - Qld - Monday, Apr 21, 2014 at 12:51

Monday, Apr 21, 2014 at 12:51
Rob,

Check out thread 107372 above about solar panels.

Boobook has replaced his "normal" panels with flexible panels......substantial weight and space savings to be had.

Bob.

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Can't remember most of it.

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Reply By: Echucan Bob - Thursday, May 01, 2014 at 15:54

Thursday, May 01, 2014 at 15:54
Rob

Optimas are great, but with Lithium batteries becoming cheaper it might be time to look at that option. They are so much lighter.

http://www.ebay.com.au/itm/Lithiumax-Car-or-Boat-Battery-550CCA-Lithium-Ultra-Light-Compact-LifePo4-/231210910658

Bob
AnswerID: 531579

Reply By: Alloy c/t - Thursday, May 01, 2014 at 16:04

Thursday, May 01, 2014 at 16:04
Twas me I'd be more inclined for a red top or even blue top as the starting batt , the yellow tops are better as aux ,,,,, red top OE in wifes Jeep now 9 yrs old still going strong .,
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