I bought the car last year and the previous owner told that he just replace the battery, accutually the battery seems new, actually i don't use the car alot sometimes i turn it on once a week for 5 to 10 minutes, last week it didn;t start so i jump started it, and now if i start it every 2 days i wil start but if i wait longer it won't is the battery gone? or can i do anything to save it