18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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Battery capacity kwh meaning.home energy storage lithium battery wholesaler

release time:2023-04-19 Hits:     Popular:AG11 battery

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  In order to set uniform conditions, first of all, according to the differences in the characteristics and use of the battery, a number of discharge rates were set. The most common is 20 hours, 10 hours, and 2 hours of electric vehicles. , C10 and C2, where C represents the battery capacity, and the number followed by the following indicates that the battery discharge from a certain intensity current to the set voltage. Therefore, the rated discharge current is obtained by the capacity except for hours. In other words, batteries with the same capacity and different discharge rates, their nominal discharge currents are far from the difference. For example, the battery capacity for an electric bicycle is 10AH and the rate of discharge is 2 hours. Write 10AH2. Its rated discharge current is 10 (AH)/2 (H) = 5A; and the battery capacity used for a car is 54AH for 54AH. The rate of discharge is 20 hours. Write 54AH20. Its rated discharge current is only 54 (AH)/20 (H) = 2.7A! From a different angle, if these two batteries are 5A and 2.7A, respectively If discharge, you should last 2 and 20 hours to fall to the set voltage.

  The so -called setting voltage refers to the termination voltage (unit V). The termination voltage can be simply understood as: the battery voltage drops to the minimum value of damage during discharge. The termination voltage value is not fixed. It decreases as the discharge current increases. The larger the discharge current of the same battery storage, the lower the termination voltage, and the higher the other. In other words, when large current discharge, the battery voltage allows the voltage of the battery to fall to a lower value, and the small current discharge will not work, otherwise it will cause damage.

  The current strength of the battery is often used to indicate the multiplier of the work, and write NCH. N is a multiples, C represents the amount of time of the capacity, and H indicates the number of hours specified in the rate of discharge. The value of H here is only used as a prompt that the related battery belongs to the type of discharge. Therefore, when describing a battery with a certain time rate, the multiplier is often written into the form of NC without writing the bid. Multiple N multiplier is equal to current A. For example, the 20AH battery uses a 0.5C multiplier discharge and 0.5 × 20 = 10A. For example, an example: The capacity of a car has a battery capacity of 54AH and the output current is 5.4A. Then its discharge multiplier at this time is 5.4/54 = 0.1C. The following figure is the relationship between the termination voltage and discharge time of a 20 -hour battery product at different discharge multiplies. These values are representative of the usual lead -acid batteries.


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