How long does it take to charge a 12V car battery from flat?


A flat 12V car battery can be charged overnight or at least eight hours. Batteries usually go flat if they have been worn out or exposed to low temperatures. For more information on car batteries and charging, visit:
Q&A Related to "How long does it take to charge a 12V car battery..."
If it is totally dead charge it for 2 hours at 10 amps.
No inverter is perfect, so there are some losses. Usually the larger the unit, the higher the losses but they are still fairly efficient. So the amount of power consumed depends on
Take all the paperwork to your local DMV and they nwill tell you.
Remember that if a battery was slowly discharged then you will need to slowly recharge it because charging it fast will cook it and it is just the opposite for a battery that was
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