what is correct parasitic draw for battery on 2010 Chevrolet Malibu

car sat for 7 days battery voltage dropped to 4.08volts

2 answers
The amount of amperage draw I find acceptable is a max of .5 amps. Preferably <.3. I agree with the previous statement, there is a problem with the battery or it has excessive draw on the system.
You Either Have A Weak Battery That Needs Replaced, Or You Have A Draw That Drained The Battery.