PSA - Don't use a Battery Tender Jr. on your Z

Vaughanabe13

It's possible the charger is bad, however I followed the procedures given to me by the manufacturer and the charger is supposedly fine. I also used the same charger on my other car (97 maxima) and it was working fine and the light changed to solid green after a couple days (and I verified the battery voltage on the maxima had increased). So I really think it would be a waste of time to try another BTJr when it's a substantial annoyance to drive 4 hours just to get access to the car (round trip).

And yes, modern cars these days have lots of processors and computers that are drawing power when the car is off. It's entirely plausible the quiescent draw of these cars is higher than typical. On the phone they told me flat out that the Jr. would not work properly on this car, so regardless of whether or not I buy the Plus version I'm not just going to ignore what the manufacturer says about their own product.

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2009 Nissan 370Z Touring, w/sport, 6MT, chicane yellow/black.