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What is the best discharge rate for NIMH battery?
To get the rated capacity, limit the discharge rate to 0.25C
How can I effectively discharge a NiMH battery using a NiMH battery discharger?
To effectively discharge a NiMH battery using a NiMH battery discharger, follow these steps: Connect the NiMH battery to the discharger according to the manufacturer's instructions. Set the discharger to the desired discharge rate, typically measured in milliamps (mA). Monitor the discharge process to ensure the battery does not overheat or over-discharge. Once the battery reaches the desired voltage or capacity level, disconnect it from the discharger. Properly dispose of the discharged battery according to local regulations.
What instrument is used when performing a high-rate discharge test on a storage battery?
A voltmeter and an ammeter
Which cell would be the most effective as a battery and why?
The lithium-ion cell would be the most effective as a battery because it has a high energy density, long lifespan, and low self-discharge rate compared to other types of cells.
Do high capacity batteries last longer on charge?
The discharge time of a battery depends upon its Ah. capacity, Load current & rate of discharge. If a 150Ah battery rated for 10hours is discharged at 15A rate it should last upto 10 hours if the temperature and specific gravity of the electrolyte (in case of flooded type batteries) are within specified limits. If the same battery is discharged at 12.5 A it will last upto 5hours. 1. As the discharge rate increases the capacity of battery decreases. 2. As the temperature increases the capacity of battery increases.
Will laying a car battery on concrete kill it?
"Long ago, when battery cases were made out of natural rubber, this was true. Now, however, battery cases are made of polypropylene or other modern materials that allow a battery to be stored anywhere. A battery's rate of discharge is affected by its construction, its age, and the ambient temperature. The main issue with storing on concrete is that if the battery leaks, the concrete will be damaged." This was taken from the Trojan Batteries website
How do you calculate battery amp hours?
C/20 is the formula most commonly used to describe a battery according to its amp hour rating; for instance a 400Ahr rated battery means that a 20 amp load placed upon the battery delivers at that rate of energy for 20 hours upon reaching the manufacturer's per cell rating, usually about 1.7 volts or 10 volts for a dead, discharged battery. There are different discharge or load ratings such as a 10 hour or 100 hour rating resulting in a different Amp Hour rating for the very same battery. A battery is an electrical potential energy source whose capacity (amount of energy density delivered over time) is determined by the rate/time over which the battery will deliver a set rate of load/discharge. The lesser the load, the longer the rate, the higher the load the shorter the rate.
Is specific gravity of lead acid cell often used as a measure of its rate of discharge?
rate of discharge
What are the disadvantages of lead acid accumulator?
Possible leakage of acid due to damage or spillage.Noxious fumes given off whilst charging.Sulphation of anode and cathode causing eventual failure. Heavy weight. Charge rate and discharge rate more or less relates to battery size. Disposal of battery is very environmentally unfreindly. In vehicles spillage and fumes from venting causes long term corrosion of vehicle body around battery.
How many hours will a 46 Wh battery last?
The time a good battery will last generally depends on the rate of discharge. There is a fairly handy way to find out if you have a bit more information. The DigiKey battery life calculator can easily be found on the web.
How long will take 600A battery to charge?
It depends on the charging rate available.
How long does a battery with 4500mah last?
How long a battery will provide power depends on the rate at which electricity is drawn from the battery. The slower the power is removed, the longer it will last, and the faster it is removed, the shorter the duration. The "Mah" stands for: "Milli" means one thousandth, the "a" stands for Amps, and the "h" stands for hours. The 4500 Mah rating means that the battery is capable of delivering 4,500 Milliamps [or 4.5 Amps] for one hour. 4,500 Milliamps is the same as 4.5 Amps. Since how long a battery can deliver power depends on the withdrawal rate, here are some examples of delivery times in relation to some withdrawal [discharge] rates: * The 4500 Mah battery will provide 4,500 Milliamps [4.5 Amps] for one hour, or * 9,000 Milliamps [9 Amps] for one half hour, or * 18,000 Milliamps [18 Amps] for one quarter of an hour [15 minutes], or * Going in the opposite direction, at a discharge rate of only one [1] Milliamp per hour, then it will last for 4,500 hours!
