Another alternative, granted it's more effort, is to disconnect the battery terminals. Clocks, security systems, general leakage (electrical, not fluid) from high humidity will run a battery down when not in use. A jump from another battery will help start a long standing bike easier, but the charging system will still be strained to put juice back into the battery. Most bike charging systems do not return energy to the battery unless the motor is spinning faster than 3500-4000 rpms.
Or, you could just find another place to store them that has an outlet available. Heck, you can store them at my house, I'll even put a trickle charge on them once a month, and because you're a member in excellent standing, a half price deal of a buck and a half a month. There, problem solved!
Or, you could just find another place to store them that has an outlet available. Heck, you can store them at my house, I'll even put a trickle charge on them once a month, and because you're a member in excellent standing, a half price deal of a buck and a half a month. There, problem solved!