How Long To Charge A 12v Car Battery From Flat. The cheapest available Repco-branded battery charger for example runs at 27amp which. How Long Does It Take to Charge a 12-Volt Car Battery From Flat.
Ideally slow charging your batteries is the best option. Ad Shop Our Wide Selection Of Batteries Bulbs Chargers Device Repair Services. A 10 amp charger can charge a 50 discharged small car battery 200-315 CCA or RC 40-60 in about 2 to 3 hours a mid-sized battery 315-550 CCA or RC 60-85 in 3 to 4 hours or a large car battery 550.
The time varies according to the amperage and size of the battery.
If it is an older charger it will be closer to or even more than 15V and this is why it should not be left on as it will. A good battery preferably above 122 volts It can be an AGM or flooded battery it doesnt matter The seemingly dead deeply discharged AGM battery. 8Disconnect the charger and allow the battery to sit for 4 hours check the voltage. A 12-volt automotive battery for instance takes a while.
