The only difference is in the amp hour capacity verified by the slight weight difference. Now most people choose to upgrade their 12V 4ah battery to the 5ah version. But if you wanted to save a little cash, or the 4ah was all that was available you could replace a 12V 5Ah battery with the 4 amp hour one..
Keeping this in consideration, what does 12v 5ah mean?
Ah, Ampere Hour or Amp Hour all describe the same characteristic of a battery – how long it will last when connected to the item it is powering. This is often referred to as the 'capacity' of a battery. The measurement is often misunderstood as, for example, “a 5Ah battery will power a 5 amp device for one hour”.
can I use 7ah battery instead of 5ah? mean u can use any battery which have 12V, amp hour ratting will deside its capacity, 7Ah can give you more power to drive, while with 5Ah you have less power, mean with 7Ah you can drive for long time than 5Ah, .
Correspondingly, can I use a battery with lower ah?
CAN I SUBSTITUTE A LOWER AMP HOUR (AH) BATTERY WITH A HIGHER ONE? As long as the battery that you are substituting is the same voltage, you can use a higher capacity (higher Ah) battery than the original one. The reverse is also true.
Can I use a 4ah battery instead of 2ah?
It would be equivalent to having a larger gas tank, you would get a longer run time before having to refill it, or in the case of the battery, recharge it. The 4Ah would give you approximately twice the run time as the 2Ah. The snow thrower you currently have many not be able to take a 4ah battery.
Related Question Answers
Does more ah mean more power?
Ah is simply a measure of the total charge capacity of a battery pack. Higher values can mean longer runtime AND additional power.How long will a 5ah battery last?
Long answer: If the power output was not at 12v, then we would reverse the power equation to do 12*40 = 480WH. This means the battery can provide 480 Watts for 1 hour. 40AH (Amp Hours)/4.16Amps = 9.6 hours, or 9 hours and 36 minutes. or 480WH (Watt Hours)/50 (Watts) = 9.6 hours, or 9 hours and 36 minutes.How long will a 4ah battery last?
To a 4.0 Ah battery will provide 4 Amp-Hours of power. That means 4 Amps for 1 hour, or 1 Amp for 4 hours… whatever it is, you can determine the expected runtime by dividing the potential stored (4 Ah) by the power demanded (in Amps) to get the number of hours it should run.Can you use a higher Ah battery?
Capacity represents specific energy in ampere-hours (Ah). Ah is the discharge current a battery can deliver over time. You can install a battery with a higher Ah than specified and get a longer runtime; you can also use a slightly smaller pack and expect a shorter runtime.Does Ah affect power?
A lower impedance will give you more power. A larger number of Amp-hours will make it last longer. Power will be measured in watts, and it's current (amps) x voltage. That battery is most likely marked as 9.0Ah (amp-hours), rather than 9 amps, as amp-hours is used as a measure of battery capacity.Does Ah matter battery?
Most car batteries are rated in Cold Cranking Amps (CCA) to determine how well they will turn the starter when it is cold out. Overall, the amp hour (ah) rating does not matter much as long as you do not use accessories with the engine off. The main thing you need to worry about is your alternator.What does 4ah mean?
It means milli-Amp-hour - milli being 1/1000 of an amp. It is a measure of "capacity" of the battery, the higher the number, the higher the capacity. These batteries have a rating of 4000 mAh or 4Ah (4000 divided 1000) meaning they will provide 4 amps of power at 1.2 volts for one hour.How long will a 12v 7.2 Ah battery last?
In our example, a 12V 7.2Ah can be replaced by a 12V 9Ah for longer run time, but the battery must be 12V. How long do SLA batteries typically last? The majority of SLA batteries last anywhere from three to five years, depending on things like applications, charging method, and operating temperature.What happens if I use a higher amp battery?
In short, using batteries with extra energy capacity will not harm your device, but would, instead, power the device for a longer time (all other considerations unchanged).Can you put too big of a battery in a car?
As several people have stated, no, a larger battery will not harm your alternator (or other electrical components), provided that it is putting out the correct voltage. When you use a larger battery, your car's electrical systems don't automatically start pulling more current simply because it's available.What is a battery Ah rating?
An amp hour (AH) is a rating usually found on deep cycle batteries. The standard rating is an amp rating taken for 20 hours. What this means for a 100 AH rated battery is this: Draw from the battery for 20 hours, and it will provide a total of 100 amp hours. That translates to about 5 amps an hour.How long will a 12v 3ah battery last?
The simple, and flawed, answer is that a 12V/20AH battery will supply 12*20 = 240 Watts of power for an hour. So if you use 35W, the battery will last 240/35 = 6.8 hours.What is the difference between 1.5 and 2.0 Ah batteries?
2.0Ah 12V and 18v Battery Packs As you might already know, Ah refers to the amp-hour rating of a battery. 1.5Ah means that a battery pack can deliver a steady 1.5 amps of current for one hour. A tool that draws 0.75A from a 1.5Ah pack will have two hours of runtime, and one with a 3.0A draw will last for half an hour.Does amps matter on alternator?
Amperage is basically the amount of electrical current your alternator can supply. That is, your alternator will only supply the amount of amperage a particular component demands—and no more. So high-output alternators will not harm your components or charging system, no matter how high you go with the amps.Is CCA the same as ah?
There is no correlation between the CCA and Ah. The rule of thumb for converting CCA to AH is dividing it by a 7.25 constant. For instance, if your battery is marked with a 1450 CCA, it represents 200AH. A battery of this rating should last for 25 hours while producing power of 8 amps.What does 60 Ah mean on a car battery?
Ah means Ampere Hours. All batteries are rated according to their power output. Virtually all car batteries run at 12 volts for but the car battery Ah and CCA ratings vary. The 50Ah means that it can push 12 volts out at a rate of 50 amperes in an hour.How many amp hours is a car battery?
A standard small car battery is about 45 amp/hours. That means that it will supply over two amps for 20 hours. A battery should not be discharged at a higher current draw, or asked to deliver more amps than its amp/hour rating divided by 10 in order to get maximum capacity out of it.What is the difference between 4ah and 7ah?
The only difference is in the amp hour capacity verified by the slight weight difference. Now most people choose to upgrade their 12V 4ah battery to the 5ah version. But if you wanted to save a little cash, or the 4ah was all that was available you could replace a 12V 5Ah battery with the 4 amp hour one.Can I use 8ah battery instead of 7ah?
To put it simply both versions will fit in your application and will work fine. As the dimensions of the 12 Volt 9 AH battery and the 12 Volt 7.5 AH battery are exactly the same, they are interchangeable. 
