I hear the solar units work great during the day. 
You have NO electricity in the garage? Not even lights? They have adapters that let you plug into the light socket.
If you ride year round, get enough extension cord and a pigtail connector. Plug in an off the shelf trickle charger/maintainer once a month.
You have NO electricity in the garage? Not even lights? They have adapters that let you plug into the light socket.
If you ride year round, get enough extension cord and a pigtail connector. Plug in an off the shelf trickle charger/maintainer once a month.