# How long does it take to charge a deep cycle battery with a car?

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## How long does it take to charge 12v deep cycle battery?

A charger with 15 amps, for instance, will take about two hours to fully charge a battery at a 25-percent discharge value. Chargers with only 5 amps, however, will need a full six hours with the same battery.

## How many amps do you charge a deep cycle battery with?

A battery charger should be able to supply around 10% of the maximum amperes of your battery. If your battery is rated at 100 amp-hours, your charger should deliver 10 amps.

## Can I charge a deep cycle battery with a regular charger?

Using a traditional battery charger to recharge your deep cycle battery will not give you the best possible results. This is because excess heat is produced whenever a battery is charging. A deep cycle battery is not designed to handle the rapid charging and extra heat, so it may never reach full capacity.

## Can you overcharge a deep cycle battery?

Can you overcharge a deep cycle battery? Yes, the deep cycle batteries can be overcharged. … On top of that, the charger that you are using to charge the batteries and the charging method being used to charge the batteries speaks a lot about the overcharging of the deep cycle batteries.

## What voltage should I charge my deep cycle battery?

Charging – Flooded Types

Deep Cycle Batteries in a cycling application require a recharging voltage of 2.43 to 2.45 volts per cell.

## Do deep cycle batteries need a special charger?

Deep cycle batteries provide a controlled flow of power so that it remains active for a significantly longer period of time. To charge these batteries, you will need a special type of battery charger called a deep cycle battery charger.

## Is it better to charge a battery at 2 amps 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.

## How do you tell if a deep cycle battery is fully charged?

A fully-charged 12-volt battery, allowed to “rest” for a few hours (or days) with no load being drawn from it (or charge going to it), will balance out its charge and measure about 12.6 volts between terminals. When a battery reads only 12 volts under the above conditions, it’s almost fully depleted.

## How often should you charge a deep cycle battery?

They should be recharged when they indicate a 50% charge, but never let them get lower than 20% to ensure a long life. Lead-acid batteries, such as deep cycle batteries, run the risk of sulfation if left uncharged for too long.

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## Why won’t my deep cycle battery take a charge?

This is typically a symptom of battery age, damage from over/under charging, or sulfation. You can sometimes improve a battery in this condition by using a desulfation device, otherwise you’ll have to live with the low capacity or replace the battery.

## How long does a deep cycle battery charge last?

The standard and most widely accepted rating period for deep cycle batteries is 20 hours. This means that the battery was discharged down to 10.5 volts over 20 hours while measuring the total amp hours it supplies.

## Does revving engine charge battery faster?

But when your engine turns faster, the engine’s alternator also turns faster. … That way, all of the alternator’s power can be directed to recharging the battery. Once the car starts, you can rev it up to charge the battery faster, but the best way to do that is to just drive it.

## How often should you drive a car to keep the battery charged?

Keep the battery charged by driving your car once per week

Car batteries discharge over time, and the easiest way to prevent a dead battery is to drive your car at regular intervals. But there’s no one-size-fits-all answer to the question of how often to take your vehicle for a spin.

## How long does it take for alternator to charge battery?

Generally, if you can keep your engine RPM up, your alternator will charge your battery at a faster rate. If you are driving on a motorway, you should be able to charge your car battery in 30 minutes. If you are driving in the city, it may take an hour or more.

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