-(4)Lithium Battery Calculator Guide (Voltage/Capacity/Size/Charging and Discharging Time Calculation)

(4)Lithium Battery Calculator Guide (Voltage/Capacity/Size/Charging and Discharging Time Calculation)
author:enerbyte source:本站 click294 Release date: 2023-11-24 08:35:44
abstract:
3、 Battery consumption calculator Each battery has a consumption rate, and the consumption rate of lithium batteries is usually between 0.2% and 5%. To ensure optimal performance, it is crucial to charge the battery pack every 3 months. Factors such as battery pack design,...

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3、 Battery consumption calculator

Each battery has a consumption rate, and the consumption rate of lithium batteries is usually between 0.2% and 5%. To ensure optimal performance, it is crucial to charge the battery pack every 3 months. Factors such as battery pack design, BMS, materials, and storage environment can affect the battery consumption calculator.

1A=1000mA, 1mA=1000 μ A

For example, the daily consumption rate is 5 μ The 500Ah battery of A can last for approximately 250 days until it is completely depleted.

When the capacity of the battery before storage is less than 50%, it should be charged every 3 months; When the battery level is below 90% before storage, it should be charged every 6 months.

4、 Battery discharge time calculator

The battery discharge time calculator helps to determine the duration of the battery during operation. The formula is as follows:

Discharge time (hours)=Battery capacity (Ah) ÷ Load current (A)

Please note that the operating temperature and environment can affect the load current, thereby affecting the battery discharge time. To consider these factors, please use the adjusted formula:

Discharge time (hours)=Battery capacity (Ah) x 0.8 (base ratio) ÷ Load current (A)

Taking the 12V 100Ah lithium iron phosphate battery pack as an example, with a load current of 4A and an ambient temperature of 50 ℃:

Discharge time (hours)=rated capacity × Rated discharge capacity × (1+0.006) × Temperature base × (Environmental temperature - Standard discharge temperature) ÷ Load current

Discharge time (hours)=(100Ah x 0.8) x (1+0.006 x 1 x (35 ° C -25 ° C)) ÷ 50A

Discharge time (hours)=1.696 hours

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