when i start my car of morning battery flat goes first go with jump start then works fine for rest of day when left overnight have the same prob next morning any ideas anyone help please and let me know what it is thanks
shell

shell, March 2009

Either your battery is duff or your alternator is not putting out sufficient charge to keep the battery up to full charge with the engine running and all lights on and rear screen heater on the voltage across the battery should be 14.2 ~ 14.6 volts anything less it's a duff alternator

nigel, March 2009