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Automotive Monomaniac
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What size (power) battery do I need?
I've never bought a battery in more than 20 years of driving -- I'm a complete newbie when it comes to this stuff.
![]() My '86 Turbo is sitting in the garage with a bad battery. It's on a trickle charger, but it won't hold more than 7.62 volts when unplugged. The original owner purchased the battery from the local Porsche dealer back on 9/27/2001 (more than 7 years ago). I think it is an OEM Porsche battery (white in color, with no real markings anywhere). I think it is time for a replacement. My car is always garaged, never outside in the cold, and I drive it 3-4 times a month. Like I said, it sits on a "Battery Tender" trickle charger when in the garage. I want to get an Optima battery, as I hear good things. What model do I need? How many CCA and AMP Hours? I assume I will have to make an adapter plate for it... Thanks in advance, - Mike
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2018 - Porsche 911 Carrera 7MT / 2018 - Porsche Macan 7DCT / 1993 - Cadillac Allante / 2023 - RAM TRX (on order) |
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,110
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I use the Pc 680 will start dwn to below freezing...8.5 .1 C/R most like them and they are small !
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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Banned but not out, yet..
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I went through the same thing not that long ago and did many searches and came back with a perpetual Porsche favorite. If you like dry cells, you might want to try an Optima Red Top. Available at Costco/Sams Club and many others. Well made, lots of cranking power, an no bad acid flashbacks, man.
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An air cooled refrigerator. ‘Mein Teil’ |
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