What is Conversion Function? JavaScript provides different built-in functions to convert the values from one type to another type. Different types of conversion function are as follows:  Integer Conversion. When the user type a value in a textbox, the value is consider to be string. The browser may not be able to identify its type exactly.
Keep in mind that most of the time, the battery will not be empty when you plug in, thus reducing charging time. To recharge a completely empty car battery from an ordinary 120-volt socket, the Chevy Volt plug-in hybrid would need 10 hours and the Nissan Leaf EV would need 20 hours.
Edit Answer (for another 15 minutes) Most electricians are going to have a minimum charge to go to your home. It costs legitimate contractors so much in licensing, insurance, vehicle costs, office costs, etc. that it isn't worth their time to drive 30 minutes each way & spend 15 minutes on a job, only charging for one hour or even less.