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Yes, only it will take the 1.2 amp a little longer to fully charge a battery than a 1.5 amp charger.
Volts * Amps = Watts 12 Volt * 2 amp = 24 Watts
In 24 hours it will be charged enough to start the car. You really need a much larger charger for a car battery.
The formula you are looking for is I = W/E. Amps = Watts/Volts. 300/24 = 12.5 amps. A good charger with an output of 15 amps will do the job nicely. The time that it will take to charge the battery will depend on the amp/hrs of the connected battery and the state of discharge that the battery is in when charging starts.
The batter uses 5 Volts for charging and it takes 1 hour to fully charge your iphone which is 7 Watts.
Take the amp hours rating of the battery and divide by 5 to get the proper charge rate for the battery. Use a 24 volt dc charger that can supply that much current and yo are in bisness. Art shell elect. Techn.
No, you need a 24 volt charger.
The 2009 Dodge Charger has 24 valves.
The 2006 Dodge Charger has 24 valves.
The 2010 Dodge Charger has 24 valves.
The 2008 Dodge Charger has 24 valves.
The 2013 Dodge Charger has 24 valves.