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.
A charger that can charge a standard capacity AAA NiCD battery (180 mAh) in just one hour might take 8 hours to charge a high capacity NiMH (1500 mAh) battery. It's best to ignore such terms and make a rough calculation of how fast a charger can charge batteries.