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12 Volt Battery Replacement / Upgrade on a 2007 Toyota Camry Hybrid with photos

12 Volt Battery Replacement / Upgrade on a 2007 Toyota Camry Hybrid with photos

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  #231  
Old 10-25-2017, 12:46 PM
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Join Date: Oct 2017
Posts: 10
Default Re: 12 Volt Battery Replacement / Upgrade on a 2007 Toyota Camry Hybrid with photos

While I may be a newbie to this forum I feel like something of a dazed veteran after reading 23 pages of advice regarding the auxiliary battery. Very useful information thank you.
I am wondering why the Optima D51 yellow top wasn't mentioned much. The fellow at elearnaid.com had been recommending the Exide but, since it was not currently available, he said I should get the Optima D51.

The Optima D51 has specs that are nearly identical to the Optima Prius battery - 38 Ah, 450 amp, and similar dimensions. The one significant difference I see are SAE posts on the D51 which fit the Camry. The D51 also has an opening for a vent tube - many people said that the vent tube was not a necessity but if it has a vent tube, why not?

Several posters either used or recommended the Prius battery in the Camry. The D51 does have fewer amp hours and lower cold-cranking amps than the D34 (48Ah) and the D35 (55Ah) but will that make much difference given the role of the auxiliary battery in the Camry hybrid? All in all, the D51 appears to be a quick and easy solutiion - is there any reason not to go with the D51?

Thanks in advance, David
 

Last edited by hybrid veggie; 10-25-2017 at 01:29 PM.
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  #232  
Old 10-26-2017, 08:01 AM
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Default Re: 12 Volt Battery Replacement / Upgrade on a 2007 Toyota Camry Hybrid with photos

Let me add that my TCH has around 350,000 miles on it. Wha?? Yeah, bad on my part that I didn't spring for a CarFax report prior to purchase and discovered much later that the odometer had been rolled back 245k. Lesson learned. Let me say, however, that, other than oil consumption, it had run quite well for a year and a half.

I first got the dreaded Check Hybrid System/VSC warnings two or three thousand miles ago, removed and cleaned the traction battery, and the car did pretty well for a few weeks - no warnings. When the warnings did come back I used the Toyota software to look at the traction modules and the voltages were quite consistent from block to block. I kept driving as the warnings would come and go and the warnings seemed to be related to the traction SOC at shut down. When the traction SOC began to top out in the blue (no green) I began to investigate the role of the auxiliary battery and, thanks to this forum, decided to give it a repair and recharge.

Since then (a week or two) the traction battery consistently rises to green... yea! and thank you. By no means do I believe that the problem is solved because the initial voltage on the auxiliary battery is pretty low so I'm ready to spring for a replacement auxiliary in the near future. Understandably, I am not looking for a five-year replacement but nor do I want to invest a nickel in a battery that might be inadequate from the start.

Thanks for reading and may you take some comfort in knowing how far a TCH is capable of going.
 
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  #233  
Old 10-31-2017, 07:32 AM
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Join Date: Jun 2006
Location: Tempe, Arizona
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Default Re: 12 Volt Battery Replacement / Upgrade on a 2007 Toyota Camry Hybrid with photos

Originally Posted by hybrid veggie View Post
Let me add that my TCH has around 350,000 miles on it. Wha?? Yeah, bad on my part that I didn't spring for a CarFax report prior to purchase and discovered much later that the odometer had been rolled back 245k.
Rolling back an odometer is a federal offense, and should be reported. However, the TCH has an electronic odometer that is virtually impossible to roll back. I suspect your car had a failed odometer that had to be replaced at some point.
 
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  #234  
Old 11-20-2017, 09:07 AM
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Default Re: 12 Volt Battery Replacement / Upgrade on a 2007 Toyota Camry Hybrid with photos

In the end it was an obvious decision. The standard replacement battery is an Optima D35 and the D35 also fits my Tacoma and Corolla should the TCH bite the dust.

My only concern was venting but that concern had been pretty well discounted in this thread. The fit was spot on using half of the plastic tray that came with the battery. I had to reverse the battery in the compartment to orient the two poles properly but there was plenty of cable slack to make it work easily.

Thanks for all the helpful information.
 
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  #235  
Old 11-28-2017, 07:10 AM
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Join Date: Dec 2010
Posts: 941
Default Re: 12 Volt Battery Replacement / Upgrade on a 2007 Toyota Camry Hybrid with photos

Alan, odometer can be rolled back on any vehicle. You simply have not seen vehicle assessors videos where they log into all vehicle systems that register mileage and check on actual mileage. That said, I am not even talking Camry. I am talking such advanced whales like Mercedes, BMW or Rovers - with actual mileage completely changed. And I am not talking old models. 2016, 2017. It's all done.

But anyhow. YT Optima is rather expensive by now replacement. It still may be cheaper than dealer OEM one but, there are very functional and hovering around $100 batteries that will work. Personally, I'd rather pay 2 times less and get one of them now. Especially when venting is not a concern. It's easy online search, I don't really want to endorse any particular battery. Judge for yourself.
 
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