I'm doing the same thing and have been told by a number of individuals that it won't hurt and may help. Which battery tender do you have?
Originally Posted by chriszeh
not sure if it will help me out or not but i always have my car hooked up to a battery tender when its in the garage since i dont drive it much. hoping that will preserve the battery life some. if it fails i was gonna go with the mini battery to save 25lbs.