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Old 08-01-2007, 01:55 PM   #1
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What's the reserve capacity of the new battery you are getting? I preffer the Optima.
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Old 08-01-2007, 01:59 PM   #2
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Here are the specs:

Weight: 21 lbs
Length: 6.6
Width: 5.2
Height: 6.8
Pulse Cranking Amps: 1380
Cranking Amps: 742
Cold Cranking Amps: 550
Amp Hour Rating: 31


More can be found at this link: http://www.brailleauto.com/productcart/pc/viewPrd.asp?idcategory=17&idproduct=7

Ed

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Old 08-01-2007, 02:04 PM   #3
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Thanks for posting. It's so rare to hear good customer service stories anymore.
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Old 03-11-2008, 08:33 AM   #4
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This was the worst case I found when searching on Braille batteries, and the customer support only adds confidence.

The Red Top Optima in my 914 is dead, and I'm about to pull the trigger on Brailles for both my Pcars.

Here's Tire Rack's listings for those who might want it.

http://www.tirerack.com/accessories/brands/braille.jsp

Suncoast also sells them, and I have not cost compared yet.

For 986s - any reversing issues as like the Optima 94R?

Last chance to give me any reason not to go Braille.
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Old 03-11-2008, 10:30 AM   #5
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Good write-up!

Couple of questions -

Does this switch require any modification to the existing, or replacement of, the Battery Tray?

Do you need to install longer Battery Cables as with some other type of Batteries?

Did you happen to ask them if there are any charging issues for these batteries with the standard 120-Amp Bosch Alternator?

I ask because some Deep Cycle AGM batteries can overwork an alternator, sometimes leading to early alternator failure. Also, what is the optimum charging voltage? The Bosch is generally around 14.5 volts (though you can alter this with an internal voltage regulator swap), but some batteries prefer more/less voltage (true Gel batteries prefer much less).
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Old 03-11-2008, 02:28 PM   #6
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"Does this switch require any modification to the existing, or replacement of, the Battery Tray?"

Yes, I started with a temp solution using foam blocks and a home-made strap to keep the battery in place. I eventually got a strap from a 911 Turbo exhaust system and had a strap made as a permanent solution, you can see a pic of it on my webpage.

"Do you need to install longer Battery Cables as with some other type of Batteries?"

No, but its close, there is a little slack with cables, but not much.

"Did you happen to ask them if there are any charging issues for these batteries with the standard 120-Amp Bosch Alternator?"

No, but I have been using their batteries for over a year to good effect.

Ed

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Old 03-11-2008, 04:03 PM   #7
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Braille batteries are the same as Deka. Just repackaged. It seems Braille Cust Serv is very good, so the higher price (about 2x as expensive) may be worth it. I have the 11 lb battery in my track car. Supposedly it optimally charges at 12.5 volts or so, so I may be overstressing the battery. However, it isn't my daily driver so it may be fine. If not, the Deka replacement is a lot cheaper.

I've been using a "modified" hold down from Pep Boys as an interim solution. I just ordered a great looking hold down made specifically for Braille/Deka batteries from spturbo.com last weekend. It should be a simple matter of drilling 2 holes into the battery tray and I'm good to go.

I did have to get a longer + battery cable, but that is very easy to do. It's a simple 2 bolt affair using a $7 cable from Pep Boys. One terminal on the firewall and the other on the battery.
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Last edited by heyjae; 03-11-2008 at 04:06 PM.
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