FYI... My first red top didn't last very long because I don't drive my car much. The car would sit so long that it would drain the battery, and so I was constinantly recharging it which is apparently not good for the battery.
Before anything I'd replace the battery, something like an Optima Yellowtop. I never bothered with caps, the yellowtop put an end to the lights dimming rather quickly.
love my red top. i dont run much in the stereo dept (just a small amp/woofer) - but i do live where -28c or colder is commonplace. the CCA's on the red kick ass - starts no problem no matter how long the car has been sitting.
Red top!!! 3 years later I can have a new one with a new warranty if I want it.
Bought my Red Top @ Costco for $105.95. Fits like a glove
Ah, but the Red Top fits in the TDI without problems. About $109 at Costco.
I have the stock VW battery under the hood and an optima yellow top in the trunk with a 5 farad cap as well, now Im doing DB drags, and I also use my car as a daily driver, I have yet to see a single bit of strain on my electrical system and belive me I have two Autometer volt guages just to be safe for monitoring.
Ran a dual battery setup in my S4... was easy. Ran a PAC relay from the main battery to the rear setup with a battery isolater. Battery charged when the stereo was on, and stereo was only powered by the Optima yellow top in the trunk.
My battery died a hacking death with my stereo system and HIDs after 2 years. I wanted a red or yellow top Optima, but they don't fit without modification. In a pinch I got an 800cca direct replacement, can't remember the brand, too lazy to look.
I've had an Optima ever since and never a problem...
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