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Old 06-20-2013, 09:44 AM   #13
RJT-SS
 
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Drives: '11 2SS/RS A6
Join Date: Apr 2011
Location: New Orleans
Posts: 505
I use a Deltran Battery Tender Jr on the OEM original battery. It is permanently connected using the ring lugs. When it is plugged in, I keep the plug module outside the car and it is plugged into a heavy gauge extension cord. I also do not latch the trunk when it is plugged in. So far, it's worked as advertised with no problems.
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Performance Mods:
Kooks 1-7/8 LTs; Calico coated w/HFCs, Solo Mach XL catback w/J-pipes, VMax TB, C.A.I. Intake, JRE Tune, RX Catch-Can
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