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M Mad
Joined
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10,530 Posts
Normally NO. Mine have gone 6+ weeks without any problems.

But some cars do have a problem with excessive current drain and will drain the battery much fster. But there is a fix for at least one problem.
 

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M Mad
Joined
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10,530 Posts
The only car I use a Battery Tender on most of the time is the LTW. It can go months without being driven. The other cars are fine even over 2 month or so periods in the winter.
 
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