# How much current can a AA battery supply?

Contents

## How much current can a AA battery supply?

Normal AA/AAA batteries that have a voltage rating of 1.5V can supply constant 50mA current for a total capacity of 1800-2600 mAh charge and 3.90Wh of energy- Alkaline batteries.

## How many amps does 4 AA battery have?

Typical Alkaline capacity is ~2800 mAh, so if you get around 2.8 hours of use, the device draws on average 1 Amp.

## How many amps does a Duracell AA battery have?

Summary of tests, see discharge curves below
Size Brand Amp-hours at 500 mA Discharge Rate
AA Alkaline Radio Shack Enercell Plus 1.31 AH
AA Alkaline Duracell Coppertop 1.30 AH
AA Alkaline Energizer Titanium 1.84 AH

## How many amps does 6 AA battery have?

Six AA batteries in series would provide 9V, as you stated. Capacities taken from here indicate that AA has a life of 2850 mAh (milliAmp hours).

## How many amps does 3 AA battery have?

At room temperature an AA has about 0.15 to . 3 ohms internal resistance when fresh. I=1.5volts / 0.15 or 0.3 = 5 to 10 amps!

## How do I convert volts to amps?

The formula to convert volts to amps at a fixed wattage is: amps = watts / volts.

## How do you check amps on a AA battery?

Connect the positive terminal of the battery to a 10 ohm resistor and then connect the resistor with the negative terminal. Then put a multi-meter between the positive and negative side of the battery. The digital multi-meter will show the correct ampere measurement.

## What is the internal resistance of a Duracell AA battery?

around 0.1Ω
Batteries will always have some resistance. Though the internal resistance may be or appear low, around 0.1Ω for an AA alkaline battery, and about 1Ω to 2Ω for a 9-volt alkaline battery, it can cause a noticeable drop in output voltage if a low-resistance load is attached to it.

## Can I replace 6 AA batteries with 9V?

Yes, you can put AA or AAA batteries in series to get a higher voltage. A 9v battery can have a voltage up to around 9.3v when new and will discharge down to about 4.8v but realistically, the end point is around 5.4v. Lithium based 9v batteries can be up to 9.6v.

## What is a good price for an AA battery?

As a comparison, I found CVS-brand AA batteries for 69 cents each and AAA batteries for 78 cents each. At the same store, name-brand Duracell batteries were \$1.50 each!…The Top 5 Best Places To Buy Cheap Batteries.

AA AAA
Sam’s Club \$0.33 \$0.33
Amazon \$0.32 \$0.31
Costco \$0.35 \$0.37

## How many amps does a 1.5 volt battery have?

I=1.5volts / 0.15 or 0.3 = 5 to 10 amps! A typical alkaline or NiMH battery in the standard “AA” size has about 2000 to 3000 mAh (or 2 to 3 Ah).

## How much voltage is 1 amp?

Equivalent Amps and Volts Measurements

Current Voltage Power
1 Amps 5 Volts 5 Watts
1 Amps 10 Volts 10 Watts
1 Amps 15 Volts 15 Watts
1 Amps 20 Volts 20 Watts

## How many amps does a 12 volt battery have?

How many amps does a 12-volt car battery have? A typical car battery with 12 volts rating has a capacity of 48 Ah. It means that when fully charged, the battery can deliver one amp for 48 hours, two amps for 24 hours and so on.

## How can you tell if a AA battery is good?

Take a AA battery, hold it over a hard surface (one that you won’t worry about scratching) about 2″ up, and drop the negative flat side unto the surface. One of two things will happen: The battery will “thud” on the surface and might even stay standing up. OR the battery will “bounce” and fall over.

## Can a battery have voltage but no amps?

–no, not much likely is it the case. Cannot reach higher than 10.5 volts when being charged, then the battery has a dead cell. Fully charged (according to the battery charger) but the voltage is 12.4 or less, the battery is sulfated….Can a battery have voltage but no AMPs?

State of Charge Voltage
Discharged 0 – 11.9