How Many Amps To Charge 12v Car Battery. Here AH is basically amp. There are many ways of charging a battery plus a myriad of chargers to choose from.

It is however well suited for smaller batteries like those of ATVs. The voltage required to charge has to be larger than the voltage present so if the battery is at 12 v even 121 volts will eventually charge. For flooded lead-acid batteries it is generally recommended that you not charge at more than 20 - 25 of the Ampere-hour rating - for your 12 Ah battery that would be about 3 Amps.
A battery of this rating should last for 25 hours while producing power of 8 amps.
The basic car battery is a 48 amp battery so it would take a 24 hour period of charging. A trickle charger usually operates at around 2 amps and it is going to take a long time to charge up your 12-volt car battery read our full guide here. There are many ways of charging a battery plus a myriad of chargers to choose from. In conclusion it should be used with a voltage of no more than 15V and if it is lower than 13V the charging.

