Joined: Jan 2009
Posts: 44,176
Likes: 6,405
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
The battery in one of my hotshots failed in the same way. I sent it to Cygolite. They told me they would charge me $15 to replace the battery. Then I received an entirely new unit instead, at no charge. I can't ask for better than that!