Don't tell anyone that I can fix cars... some people are still stunned to realize that I own a car and can drive.



For longer term storage or minimal use a solar charger can be purchased relatively cheaply to maintain a battery... they plug in through the lighter / power socket and nothing on them is external so theft really is not an issue.

I put a new 850 amp battery in my Nissan this spring... if the OP has a realtively new battery it should be covered under a waranty and most shops will test them for free to make sure they are 100%.