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.
Is it OK to put a higher amp battery in a car?
So yes you can use a battery with a higher Ah rating as long as the voltage stays the same.
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).
Will the wrong size battery damage a car?
Several problems could arise from using a battery that is larger than what your manufacturer recommends. … Manufacturers precisely match their alternators and batteries to the vehicle’s power requirements. A mismatched battery/alternator combo could cause your alternator to overheat and shorten its life.
Does a higher Ah battery give more power?
In general, higher amp hours mean more runtime and higher voltage means more power.
Is a higher CCA battery better?
In general, for both CCA and RC, the higher the number the better. However, if you live in a cold climate, the CCA rating should be an important consideration in choosing a battery. Conversely, if you live in a high heat climate, you don’t need as much CCA.
Is a higher Ah battery better?
As a general rule, a higher Ah battery is better for delivering more current, which implies more power in watts. A higher Ah rated car battery will generally deliver more cold cranking amps (CCA), while a deep-cycle battery can deliver medium currents for a longer period of time.
How many cold cranking amps do I need?
The standard recommendation is a battery with at least one Cold Cranking Amp (CCA) for every cubic inch of engine displacement (two for diesels). CCA rating is an indication of a battery’s ability to deliver a sustained amp output at a specified temperature.
Is higher or lower amps better?
A higher voltage system is more efficient than a lower voltage since it experiences less energy loss from resistance given the same amount of power draw. … You get the same exact voltage—but with 80 amps of current.
How long will a 18V 2Ah battery last?
For example, using a 2Ah battery in an 18V cordless drill that’s load in watts is 150 will provide power to that tool for up to 0.8 hours, as shown in the formula below.
What is the difference between a 2.0 Ah battery and a 4.0 Ah battery?
A 2.0Ah battery pack will have five 3.6V cells – each with 2.0Ah capacity – connected in series, and a 4.0Ah pack will have two sets of five batteries connected in parallel.