0
An Amp Hour is the maximum quantity of power a power source might deliver for an hour.
As an example, a 500 Amp Hour (Ah) battery might deliver enough power to turn the starter of a car for a few minutes, but would power a 500 Mili Amp (Ma) light bulb for 1000 hours (in a perfect world).
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
Will a 7 ah battery last longer than a 5 ah battery?
Depends on several things, but normally yes. Under optimal conditions a 7 ah battery will deliver 7 amps for 1 hour, or 1 amp for 7 hours, or 0.5 amps for 14 hours....you get the picture.
What is meant by 12V 42 AH maintenance free batteries?
24V means that the terminals of the fully charged battery will deliver a direct current of 24 volts. AH refers to the capacity of the battery (the amount of electricity it can store) - 42 AH = 42 Amp Hours Maintenance free means that there is no need/way to fill up the cells of the battery during its operational life.
Can you replace a battery that is rated at 4ah with a larger ah battery?
Yes, it mAh or Ah is how long the battery lasts, it does not affect performance.
How long will a 1 watt bulb operate on a 1 amp hour battery?
Please give the voltage and Ah rating of the battery and voltage rating of bulb.
What is ah on a car battery?
Ampere-hours, or amp-hours for short. It's a measure of the total energy that can be stored in the battery. A battery rated for 20 Ah can supply 2A for 10 hours, or 5A for 4 hours, or 20A for 1 hour.
Can you use a 12v 7.2 ah battery to replace a 12v 4 ah battery in an alarm system?
Yes
Does more ah in a battery mean its stronger?
Depends on what you mean by stronger. Ah stands for ampere hour, which is a unit of energy. A battery with 1 Ah can deliver a current of 1 Ampere for 1 hour, or 2 Amperes for 30 minutes, etc. The voltage of a battery tells you how much current the battery will produce through a given resistance; more voltage is probably closer to what you mean by stronger, since knowing the current and the voltage allows you to know the power released by the battery. So, for a given resistance, more voltage = more power released by the battery. So: more Ah is like having a larger gas tank; more voltage is like having more horse power.
Can I replace a 12v 33ah battery with a 12v 4.5 ah battery for a motorized scooter?
No, it does not have enough capacity (i.e. ah rating).
How long will a Battery of 7.4 Volts 700 Amp-Hour last?
The voltage doesn't enter into the issue.If the current draw of your battery-powered equipment is 1 Ampere, the battery will last 700 years.If your equipment draws 1/2 Ampere, the battery will last 1,400 hours.If your equipment draws 2 Amperes, the battery will last 350 hours.And so on.CorrectionA 700 AH battery will THEORETICALLY last 70 hours at 1 amp current draw. A 700 AH battery will THEORETICALLY last 140 hours at 1/2 amp current draw.A 700 AH battery will THEORETICALLY last 35 hours at 1/2 amp current draw.The theoretical capacity of a battery is always greater than the actual capacity; electrical energy is released in the form of heat inside the battery.
How long to charge dead laptop battery?
Check and see how many Ah (Amper hours) your battery is. If it is for a gas/gasoline car, then it is probably around 42 Ah; batteries for diesel are usually around 72 Ah. Check the power of your battery charger. It should be something between 4-6 A. You must divide the battery capacity by the charger strength to get the time necessary. For example: your battery is 42 Ah and your charger is 6 A. Then the time needed will be 42 Ah / 6 A = 7 h. Charge your battery no longer than 7 h. Please note that overcharging the battery permanently damages it.
What is 4ah in battery terms?
Ah means Ampere hours. A 4 Ah battery can release 4 amps for one hour, or 1 amp for 4 hours, or 0.5 amps for 8 hours, or 8 amps for 0.5 hours.
Describe the difference of V and Ah in a battery?
V is the batteries rated voltage. Ah is the amp-hour of the battery. This is a rating of how many amps it can supply for a given period of time. For example a 600 Ah battery with a 100 A load means that the battery should last 6 hours.
