How to calculate battery cycles?1 accurate article make it clear!

How to calculate battery cycles

The number of battery cycles refers to the number of times the battery completes a complete charge and discharge process. The cycle life of battery is an important indicator of battery performance. Different types of batteries have different definitions and calculation methods of cycle times.

Here are some common battery types and how their cycle times are calculated:

Lithium battery cycles

Lithium battery is a battery widely used in mobile phones, notebooks, electric vehicles and other equipment. It has the advantages of high energy density, low self-discharge and no memory effect.

The number of cycles of a lithium battery refers to the process from full charge to empty. That is to say, when the battery usage reaches 100% of the battery capacity, a charging cycle is completed, which is a cycle.

However, this does not mean that the battery must be used up every time it is charged. In fact, shallow charging and discharging can help extend the life of lithium batteries. For example, if you use 75% of the battery one day, then fully charge the device overnight, and then use 25% of the battery the next day, the total discharge will reach 100%, thus completing a charging cycle in two days. , that is, a cycle.

Generally speaking, the number of cycles of lithium batteries is between 300-1000 times. When the number of cycles exceeds this range, the capacity and performance of the battery will decrease significantly.

Electric vehicles require efficient management of battery cycles for optimal performance
Electric vehicles require efficient management of battery cycles for optimal performance

Ni-MH battery cycles

Nickel metal hydride batteries are batteries commonly used in digital cameras, flashlights, toys and other equipment. They have the advantages of low cost, high safety, and environmental protection.

The number of cycles of a nickel-metal hydride battery refers to the process from full charge to complete discharge. That is to say, when the voltage of the battery drops below 1.0V, a charging cycle is completed, which is a cycle.

However, nickel-metal hydride batteries have a memory effect, which means that if the battery is charged before it is fully discharged, the effective capacity of the battery will be reduced. Therefore, nickel-metal hydride batteries need to be deeply discharged regularly to eliminate the memory effect.

Generally speaking, the number of cycles of nickel-metal hydride batteries is between 500-1000 times. When the number of cycles exceeds this range, the capacity and performance of the battery will decrease significantly.

Lead-acid battery cycles

Lead-acid battery is a type of battery commonly used in cars, motorcycles, electric bicycles and other equipment. It has the advantages of maturity, stability, and cheapness.

The number of cycles of a lead-acid battery refers to the process from full charge to complete discharge. That is to say, when the voltage of the battery drops below 10.5V, a charging cycle is completed, which is a cycle.

However, lead-acid batteries have a sulfation phenomenon, which means that if the battery is in a low-power state for a long time, it will cause a chemical reaction between the lead plate and sulfuric acid inside the battery to form insoluble lead sulfate, thereby reducing the battery’s capacity and performance. Therefore, lead-acid batteries need to be recharged regularly to prevent sulfation.

Generally speaking, the number of cycles of lead-acid batteries is between 200-500 times. When the number of cycles exceeds this range, the capacity and performance of the battery will decrease significantly. To check the number of cycles of a lead-acid battery, you can use some professional chargers or instruments, such as smart chargers, battery testers, etc., or check it directly on the battery.

The above is the calculation of battery cycle times for different batteries. I hope it is helpful to you. What do you think about this? Leave your wonderful comments.

Monitoring battery cycles is crucial for maintaining device longevity
Monitoring battery cycles is crucial for maintaining device longevity

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