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.
Charging times are greatly variable and depend on many factors, including the charging method, vehicle battery size, maximum power rating, and amperage. Generally speaking, Level 1 charging through a 120 Volt AC outlet takes around 10-20 hours. Level 2 charging through a 240 Volt AC outlet takes around 3-8 hours.