Battery OPTIMA or Duralast

Duralast Battery

You need this one, and it takes about 10 minutes to install. Just hop into the front trunk, unbolt the bar from the firewall that braces the battery -- iirc 13mm. Remove the tire inflator and the box (pulls right out), remove the other bolt, unscrew the two terminals (10mm probably), swap batteries. Done.

Pros: easy to install, 10 minutes
Vehicle: Porsche Cayman
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OPTIMA Battery
awoodby
  • Cranking:
Rating 5.0

Absolutely not true. I use an Optima battery, works great. Have for a few years now since my 2nd garbage oem battery went out. Or was it the 3rd?

Pros: works great
Vehicle: Subaru
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OPTIMA Battery

Currently running a yellow Optima, 3 years and going strong. I don't recall what the OE battery was but it crapped out after 2 years in mild California weather.

Pros: going strong, three years
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OPTIMA Battery
panicXmanic
  • Indicator:
Rating 3.0

Get the battery from the dealer. It lasts longer and has a 7 year warranty. The Optima Yellowtop died on me after 3 years.

Pros: lasts longer, 7 year warranty
Cons: died after 3 years
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OPTIMA Battery
xserox95
  • Cranking:
Rating 1.0

Optima batteries are absolute trash for deep discharge use. Their quality is also not what it used to be. Anytime I see them in marine use, I swap them out for a proper AGM. Only thing they are decent at is starting applications in cars.

Pros: decent at starting cars
Cons: trash for deep discharge
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OPTIMA Battery
2fatmike
  • Cranking:
Rating 1.0

From my experiance with the optimal batteries you are better off with a Walmart battery and save money. I tried the optimal 2x. Both failed within a year. They were warranties but the replacements didn't last much longer.

Pros: save money
Cons: failed within a year
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