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## Can you overcharge a car battery at 2 amps?

A: If you leave the charger connected continuously, even at a mere 2 amps, **the battery eventually will die**. Overcharging a battery causes excessive gassing — the electrolyte gets hot and both hydrogen and oxygen gas are generated. … On sealed batteries, the buildup of gases could cause the battery to burst.

## How long does it take to charge a car battery at 2 amps?

Using 2 amps

If your battery has 60 amp hours, then a 2 amp charger requires **30 hours** to fully charge your battery. To determine this, you just divide the number of amps by the amp hours.

## Should I charge my battery at 2 or 10 amps?

Consequently, when trying to charge a larger battery at that rate, it will take a very long time and the battery may discharge at a greater rate than the 2-amp charge can provide. It is better to charge a deep cycle battery at a higher charge rate like 6-amps, **10-amps** or higher.

## Can I leave car battery charger on overnight?

Even though there is no risk of overcharging with the use of a high quality charger, **the battery should not remain connected to the charger for more than 24 hours**. A full charge is usually achieved by charging overnight.

## How many amps should I charge my car battery at?

Slow charging rates vary depending on the battery’s type and capacity. However, when charging an automotive battery, **10 amps or less is** considered a slow charge, while 20 amps or above is generally considered a fast charge.

## Can a trickle charger ruin a battery?

Leaving a battery connected to a trickle charger for too long **can lead to overcharging**, causing damage to the battery. … Although they can’t recharge a dead battery, they can be used frequently and left connected to a battery without any risk of overcharging.

## How many amps do I need to charge a 12 volt battery?

A 12-volt automotive battery, for instance, takes a while to charge. In fact, fast charging for this kind of battery is not recommended. **10 amps** are the recommended current.

## How long does it take to charge a deep cycle battery at 2 amps?

In this case, at a rate of 2 amps, a 100 amp hour battery will take just **over two days** to charge fully.

## How long does it take to charge a car battery with a 12 volt charger?

Car batteries usually hold 48 amps, so it will take **about 12 hours** to reach a full charge using a 12 volt charger. It takes around 30 minutes for an electric vehicle to charge to 80%.

## How long does it take a 6 amp charger to charge a 12 volt battery?

How long does it take to charge a car battery? A small car battery can be charged in 4 to 5 hours, a mid-sized battery can be charged **in 5 to 6 hours**, and a large car battery can be charged in 7 to 10 hours.

## How long can you leave a trickle charger on a battery?

The maximum safe time is **16 hours**. The hotter the battery is, the more it will boil the battery dry.

## How long should you leave a trickle charger on a battery?

Generally, a car’s battery discharges 20 hours after a full charge. It can take longer if you have a larger battery. You should hook up the trickle charger **10 to 15 hours after** a full charge. However, if you plan to leave your car idle for weeks or months unsupervised, you can leave the trickle charger on.