car battery amps too high
You see at very high currents the capacity bleeds off VERY fast so a small capacity battery can squeeze out 100amps but only for a fraction of a second then it starts losing power. In that same conversation it was suggested that a 200-milliamp draw was acceptable That is certainly not the case.
Measuring Parasitic Draw
The crank amps CA and cold cranking amps CCA.
. More than what is. A regular rated battery can be around 1200 milliamphour which is equivalent to 12 amphour. If your car battery is 12-volts it will begin the charging process at 138 volts which is the pressure behind the amps.
The answer is yes to both. Most car batteries have a capacity between 550 and 1000 amperes. This does not necessarily mean a battery will last only one hour because it will last 2 hours if its asked to produce only 50 Amps 4 hours at 25 Amps and so on.
The amount of amps used is up to the owner but common amp chargers are 15 or 2 to top off or maintain or 4-6 amps to charge a battery from dead overnight. Went through this just a month or so ago actually. Big_Dawg February 16 2009 345am 6.
One from Honda said not to get a battery that has more than the original 279CCA a non-Honda tech told me to try and keep it to 400-500CCA or less. Thanks to all for your responses. Does higher amp damage battery.
The extra reserve in the battery wont be used except under adverse conditions when youll be glad you have it. As for car batteries it is a rule of thumb not to fast charge them using anything that exceeds 20 amps. It is safest to keep your charging amps at 10 or less of the total amp hours of your battery to not damage your battery or harm yourself in the process.
Yr battery shop mech and yourself have make a right and good choice. Its my weekend fun car now The new battery has 875CA and 700CCA. Most car alternators that normally recharge your battery after every start and provide power while the engine is running are normally voltage regulated to about 138 to 140 volts.
Only under that stalled fault condition can continued use of the starter with a high capacitance battery damage a starter motor. There is no side effect at all even yr alternator will not be subjected to working overtime. For most vehicle batteries that will be anywhere from two amps up to about 75 amps.
7 hours ago A batterys cranking amps is a measurement of how much power it has to start your carSome lead-acid batteries have as many as 600 cranking amps but this can be too high for some vehicles. And too high of a Cold Cranking Amps CCA rating can also cause problems and. A rule of thumb says a vehicles battery should have a CCA rating equal to or greater than engine displacement in cubic inches.
The higher this number is the longer the battery will crank the engine in cold weather before it dies. The thing that here the concept is also same but milliamp is used instead of amp. The battery is just one aspect of the system.
Generally a car battery pulls approximately 400 amps for small vehicles to start and more than 1000 amps for the large ones. It could be my computer or pulleys in the wrong too so I cant risk buying a new one and still having the problem. So to get that current output amperes or in a cars case cold cranking amps you need to have a high capacity battery.
This is because repeatedly fast-charging a car battery may lead to overcharging and will severely reduce its performance. This is scaring me and a new one is too expensive. The internal chemistry of the battery will also affect the amp rating.
So to answer your question Yes 15 volts is too high. The extra amphr capacity will act as reserve. 1990 300ZX NA 22 that I purchased in Aug.
A 10-amp charger is. The Optima Yellow-Tops have 750CCA and the Red-Tops are 720-800CCA. This comes from having 2 technicians tell me not to get a battery with a high CCA rating.
Up to this voltage and at normal temperatures the battery will only gas very slightly. In fact we suggest a 25-milliamp draw is acceptable and anything that exceeds 100-milliamps indicates an electrical issue that needs to be addressed. That 1000 milliamp hour battery would be charged at 500 milliamps.
This is true but a starter motor in a car is turning an engine that has compression in it. This because the batteries are for lighter use. It turns off my speaker amplifier as soon as I hit the gas pedal.
That presents a significant load to the motor. Can A Battery Have Too Many Cranking Amps. A small size car battery can have 45 amp per hour and this means that two amps for twenty hours.
This article will discuss how you can find the right amp rating for your vehicle and why it. For example if a battery is rated as say 8Ah it will be able to provide 4 amps for 2 hours. Using the wrong battery in a vehicle carries several potential issues.
Sitting there not connected to the car and voltage dropping like a rock without even applying a load such as a radio or park lamps. When a battery goes from 126 volts to 7 volts in half. The whole charging system is based upon the evaluation of the vehicles needs.
Typically the larger the battery the higher the amp rating. A batterys cranking amps is a measurement of how much power it has to start your car. 10 amp chargers are.
A battery with a 280 CCA rating would be more than adequate for a 135 cubic inch four-cylinder engine but not big enough for a 350 cubic inch V8. Car manufacturers evaluate the amperage necessary for starting and operating the vehicle in different situations to determine the alternator needs. Basically this denotes how long a battery will last if it isnt recharged.
While not stalled cranking a starter motor too long under such a load as a. If you want to achieve the maximum capacity of a battery then. The amps in the car battery should always remain close to 0000 to prevent it from damaging.
Some lead-acid batteries have as many as 600 cranking amps but this can be too high for some vehicles. My car alternator runs at 16 to 165 volts when I hit the gas and 15v idling. This is particularly important in the event the alternator fails.
Even batteries that charge in a couple of hours or so have charge current 12 the amp hour capacity. Matters are further complicated by the fact that youll see two-ampere ratings on most batteries. If a battery is rated as 100Ah it will produce 100 Amps for 1 hour.
This article will discuss how you can find the right amp rating for your vehicle and why it matters. This number indicates how long the battery can maintain a 25-amperage draw before dropping below an unusable 105 volts. It isnt recommended to use a charger with 10 amps or more on a car battery.
Slow charging using 10 amp chargers or less is generally accepted to be better. That is why the car manufacturers provide bigger amps in the car battery than it needs to start. Charging a 1000 milliamp hour battery at 1 amp or more would likely damage or destroy it.
Most of the new battery are dry charge 100 Charge once installed it can be used instantly.
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