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Quirky Porsche Features Killed my 12V Battery

Porsche 914 EV Conversion

The Porsche 914 has a bunch of "distinctive" features that make it different from many other cars. Another quirk is that if you leave the turn signal on after removing the ignition key, your tail light on that side stays on. One is the hand-brake being on the left side of the driver's seat (enabling a "racing start").

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Battery Woes

Porsche 914 EV Conversion

After contacting Zivan tech support, they said that lead-acid batteries typically get 400 deep cycles or 800 half-cycles at best. If my average trip is 20 miles between charges and I have 8600 miles on the car, that means about 430 half-cycles. It only takes 15 minutes and will save a lot of headaches.

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