my car battery has been replaced 2 times. My battery has be completely dead. on 2009 Volvo C70

I check lights ect. before leaving the car. The battery occurs spontanelsy. 3months sooner. It unpredictable. I have had it in the shop. They cannot find what the problem is. Please help me with this mystery.

by in Bogalusa, LA on April 14, 2013
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1 answer 2 comments
ANSWER by , April 14, 2013
charge and load test battery if battery is ok then you have something draining the battery
COMMENT by , April 15, 2013
My car does the same thing. What can possibly be draining it right window doesnt work and seat either could that be it
COMMENT by , April 15, 2013
battery drains can be hard to find I would take it to a shop,I could tell you where to start but it is better you take it to an experienced tech