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With the Battery Tender Jr. I do not leave mine on the tender as it is in a garage and I have multiple bikes. If I tender my battery within two weeks it only takes 5-10 minutes to turn steady green. If I am gone for a month, it takes hours, sometimes over night. My other bikes have no drain on the battery, so they just take 10 minutes or so even after a month. The touring bikes have a constant micro-amp drain.
I frequently ride every month, so it is rare that it sits for more than a month. The longest period each year is January-February. We do a New Years Day ride and then with work and weather, it may be mid to end of February before I get to ride again. That is the longest the bike goes sitting, so that is when the battery tender does the most to keep my battery topped up and ready to go. By March 15th, we are getting plenty of time to ride.
7 Surprising Harley-Davidson Products that Are Not Motorcycles
Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.
Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?
Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.
Engraved Rebellion: Inside Bundnerbike's Glam Rock II
Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.
Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.