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.
RE: How long does a car battery charger take to fully charge a battery? My car broke down on me again and weâve been charging the battery on an external charger for a couple of hours now so we can see if it was the battery or my alternator.eport Abuse. Depenind on what type charger you have Shops use commercial chargers Properly charging an automotive battery goes like this. Charge at a rate of 30 amps for 30 minute intervals and recheck. This can take up to 8 hours to fully recharge a battery.