Which one do I need? My battery is dying.
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HZJ60 Guy said:Blue top Optimas are MARINE batteries bubbas.
Get a yellow or red top.
Pluton said:They also make a D31A yellow series which is larger/higher cap but is slightly too large for the stock batt tray. That said, I've been using the standard group 34 red tops(with 1" blocks underneath)...no winches or heavy power drainers...the older of the two is almost 7 years old now...still fine.
I'm going to resurrect this thread to pass on some information straight from Optima's customer service people...Cruiserdrew said:Check the specs. Identical to yellow tops with improved vibration resistance. What's not to love?
Straight from the horse's mouth, the only difference is warranty, due to anticipated use. I will definitely buy Blue Tops instead of Yellow Tops because the warranty is 50% longer! This doesn't change Drew's recommendation for the Blue Top, but it's good information to know anyway...Technically, there is no difference between the BlueTop deep cycle and a YellowTop of the same size. They will perform exactly the same. The difference between them is the post configuration. The BlueTop's come with both the standard SAE posts and a set of 5/16" threaded stainless posts.
Also, the warranty on the BlueTop is longer since it is for seasonal RV/marine applications. The BlueTop has an 18 month free replacement warranty, 18 months prorate. The YellowTop carries 12 months free replacement, 12 months prorate.
Exide is an optima. they are made in the same factory..Landpimp said:I recomend the Exide Orbital ever the Optima. I run a pair of the Extremes in my fj60, love em.
Not exactly true... Blue is the MARINE designation. It means they've got SAE posts as well as stainless screw-on terminals. There's a blue-top starting battery and a blue-top deep-cycle battery.gulp3000 said:Blue and yellow are designed for use in situations where they get drained.