Buying new battery , what do you guys recommend?
 

I WANT A GOOD ONE
Mine died at 8,000 miles on my Base 05 Boxster

Consumer Reports rated the Autozone battery as the best value. fyi

Local dealership gives us the opition OEM Porsche battery $150.00+ or Interstate, smaller lighter and more powerful for $112.00. Interstate battery even had an adaptor for the vent tubing.

tom

Several brands are talked about here. http://www.renntech.org/forums/index.php?showtopic=2950&hl=autozone

Autozone Duralast
 

~ $80 ... top rated, no problem with the vent tube, perfect fit

Keep in mind, the poster is listed from Costa Rica.. not sure how popular/available Autozone and Interstate batteries are. And I would think shipping a 30-40lb battery wouldn't be "cheap"...

I work for Interstate. Our batteries are great, but if you want more performance may I sugest an Optima Red top battery. Our plant, J.C.I.(Johnson Controls Inc.) makes those too, and they are the best money can buy. :cheers:

which Optima works for the Boxster? I was considering a Braile too.

I got the optima red top about 2 months ago when my stock one died. So far it is great.

The one that fits best WITH an adaptor plate/braket(FREE, but must ask for when purchased) is the RedTop Group 34.

Or the YellowTop Group 34 with the lightgrey case not dark grey. The light grey case has dual purpose. Starting power and deep cycle. Good if you have a high powered stereo and an amp with base speakers.

An OPTIMA RedTop battery is the only battery specifically designed to take abuse. Its patented SPIRALCELL® Technology offers 15 times the vibration resistance and up to twice the life of ordinary batteries. Plus, it's spill-proof, highly resistant to heat and cold, and can be stored for long periods without maintenance.:cheers:

Costco-$52 plus tax.

I purchased the AutoZone battery. Perfect fit, like everyone says.

I have thought about using a 34R red top - R for reverse terminals. Others have used this battery but had to buy or fabricate a clamp or adapter plate to secure the Optima to the battery tray. Never seen an Optima part that could be used instead.

If there is an Optima adapter plate/bracket for a 34R provided by Optima that fits the battery tray then can you find the part number? Thanks.

we dont have many brands here, Panasonic?
Koba, Solite,Rocket, Ac Delco,Exide

Anyone familiar with this brands?

AC Delco and Exide are pretty famous. We have those brands here too. ;)

+1. Sam's Club - $54 plus tax.

Somebody recently told me the yellow tops are for marine only applications? I'm guessing this isnt true? We had one of these in one of our limos at one point.

Whats the difference between the yellow tops and red tops?

Yellow tops are DUAL applications for both STARTING POWER & DEEP CYCLE POWER. Red tops are for Starting Power Only. The Blue top Optima is for Marine. Yellow tops are used for allot of off road types of vehicles and cars with high powered stereos with amps. Vehicles like jeeps with a wench on the front used for mudding would also benifit from the Yellow top. Red is more for performance sports cars. But Yellow can also be used in a Porsche, it just depends on how you use your car. Check out Optimas web site.
http://www.optimabatteries.com/publish/optima/americas0/en/config/home.html
The battery list needs to be updated for our cars. But a Red Top Group 34 will work. :D

List here
 

Autozone Duralast 48-DL group size 48 was $85 today. Exact fit replacement with the vent tube and everything.

Autozone also had one of those memory things to keep all your settings while the battery is disconnected for $5. You just attach a 9v battery to it and plug the other end into your cigarette lighter. That way you don't have to reprogram the radio, clock and whatever else you may have. I don't know if these things prevent the radio from needing the radio code when you're done (I don't have the stock radio) but I bet it works for that as well.

Autozone Duralast Gold: 94R-DLG
 

I have a 2003 Boxter S. The Porsche OEM battery (manufactured in 2007) finally stopped working. I went to AutoZone and replaced it with their "Duralast Gold 94R-DLG" at a cost of $145.

This battery was a perfect fit. It appeared to match the exact dimensions of my Porsche OEM battery. My Porsche's original vent tube also fit perfectly into the battery's vent hole. I was amazed how easy it was to remove the old battery and install this one. There was nothing extra I needed to do except reset my clock (the radio did not require a reset).

AutoZone's "Duralast Gold 94R-DLG" comes with a 36-month free replacement warranty.

For those of you who live in a cold climate and/or who prefer the high cold cranking amps of a full-size battery, you may want to seriously consider purchasing AutoZone's "Duralast Gold 94R-DLG".

I just bought one from WalMart for around $70. Has the vent, fits perfectly. Works great.

Old post, I know, but I didn't see an answer. Does anyone know if the adaptor plate supplied by Optima works in a 1st gen Boxster?

Interestingly, the price I was quoted for an Optima was quite a bit less than an Interstate.

Yellow Dog Motorsports, they have a web site: www.yellowdogmotorsports.com/details.php?id=93

What would we do without Mikefocke?

http://sites.google.com/site/mikefocke2/batteries

Optima's should be charged at 15v, most alternators do not put this voltage out without a modification.

I am looking at running a custom lithium pack that weighs 2kg's (4.4lb for my American friends!) which should do the trick nicely ;)

Sam

This is first I've seen in my research that the Optimas may be a problem in the Boxster. Those in the know please chime in.

They need 15v to charge effectively, most alternators will not produce this without changing the diode.

They will still work without 15v from the alternator, but a fair way below the quoted stats of the unit.

Sam

"Vehicles like jeeps with a wench on the front used for mudding would also benifit from the Yellow top."

My wench usually sits in the passenger seat!

Optima's preferred charge rates (time to reach full charge from a given level of discharge) is 14.4 volts at temps above 41 F, and 14.7V below 41F. The are not a problem on any decently performing charging system; we have never encountered a problem with Porsche's keeping them fully charged. Some maintainers (such as Ctek) have an Optima "optimized" charge cycle, but all that does is get the battery to a full charge quicker. In reality, just about any decent maintainer will keep the Optima happy; they just may take a little longer doing it.....

Dont get me wrong guys, not saying an optima wont work - of course it will. Just not at its peak (or to the specs on the label)

Sam

You must have difficulty reading, so let me restate it more clearly; the Optima will be fine, the only difference the slight voltage change makes is in the time it takes to reach full charge; but it definitely reaches full (per the label) charge..................