Batteries plus might be able to rebuild your battery (new cells) for much less than that. I use a LED bike light that I bought from harbor freight for nine bucks. It has worked quite well for at least three years. Mount was big for my bar so I wrapped rubber strip to shim it up. Bikepro LED Headlight If I couldn't have the battery rebuilt for a good price, you just might want the new one. Have they made any innovations in the last two years?