How Long To Charge Auto Battery

Turning on lights and other consumers should cause the.

How long to charge auto battery. Realistically speaking a flat battery can be charged up to 80 percent in 2 hours. I will discuss how I calculated the numbers for a simple formula that will give you a solid estimate on charging times for any car battery and using any amp. Yet one of the most common questions is that what charger should one use when charging a car battery 2 amp or 10 amp.

Save Up to 30. Disconnect your charger and reconnect your battery make sure the engine of your car. Most drivers will need about a couple of days roughly 40 hours to charge a fully depleted electric car battery if they use the standard three-prong.

Ad Mobile Mechanics That Come to Your Home or Office. Charging a battery with a car battery charger enough that it can start the car engine will take around 2 to 4 hours. A 6 amp charger can charge a 50 discharged small car battery 200-315 CCA or RC 40-60 in about 4 to 5 hours a mid-sized battery 315-550 CCA or RC 60-85 in 5 to 6 hours or a large car battery 550-1000 CCA or RC 85-190 in 6 to 12 hours.

Unfortunately that isnt the standard. Book Same Day Auto Repair or Service. At idle a car battery can be functionally recharged in 75 minutes when at 50 capacity or about 25 hours when fully discharged.

If the battery is completely depleted then the alternator wont be able to charge it fully. It requires 15-30 minutes of charging which then provides a 40 amp charge. When driving for thirty minutes.

If using a low amp charger it can take up to 24 hours. Depending on the age of your battery the capacity and construction of the charger and the charging technique used it may take a few hours to reach a complete charge. A smart charger for example will monitor battery condition and adjust its charge cycle to fit with the requirements of the car and avoid overcharging and potentially damaging the cells.