-How to calculate the voltage, capacity, and watt-hour of a lithium battery?

How to calculate the voltage, capacity, and watt-hour of a lithium battery?
author:enerbyte source:本站 click109 Release date: 2024-05-28 09:09:18
abstract:
How are the voltage, capacity, and watt hours of lithium batteries calculated? With the promotion of energy conservation and environmental protection, and the continuous introduction of new energy products into the market, energy-saving products have become a standard configuration for people. Near...

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How are the voltage, capacity, and watt hours of lithium batteries calculated? With the promotion of energy conservation and environmental protection, and the continuous introduction of new energy products into the market, energy-saving products have become a standard configuration for people. Near the lithium battery solar street lights in the new rural area, the directional element of compliance is an obstacle that does not exceed the solar panel. This is on a day when the sun shines, and the solar panel components are now satisfied with the size and lighting. The second point is that the foundation of some drainage functions is relatively good, and there should not be too much water accumulation from some equipment, which affects the stability of street lights. For a long time, it appears chaotic due to unstable foundation. The solar street lights in other new rural areas do not require municipal electricity, so they do not require any other public facilities to have any impact on each other.

Above, the selection of lithium battery solar street lights, in addition to ensuring the stability of the entire system, has an intention of maintaining the battery without too much water. Because most of the time the battery is buried, if a large amount of water is simply put into the battery box, which affects the normal operation of all systems and battery life, then it is necessary to pay attention to every detail. As long as we focus on the results of each step and ensure that the street lights are used for a longer period of time, it is very good for us.

Lithium battery solar street light system: solar panel (bracket), battery, controller LED light sources, lamp posts, etc. The quotation for Li ion solar street lights is based on the detailed parameters of each component, so the detailed information on how to calculate the lithium battery capacity of solar street lights is as follows:

Peak panel demand (WP):

The lighting time is 7 hours per night (h);

For example, the daily illumination time for this panel is 4.5 hours (note: 4.5 hours for the Yangtze River downstream and downstream areas).

It is necessary to relax the storage space by 20%.

WP is currently 17.4V=(5 * 7h * 120%), and it is currently 4.5h

WP17.4V=9.33

WP=162 (W)

Management account:

For example: 12 volt battery system; So if you have 300000, you have 60000.

Now I am 60w12v=5

3. Simplified formula

Lithium battery solar street light battery module power=power supply * time/local peak sunlight * loss coefficient (1.6-2.0)

=Using power battery capacity in rain**************************************************

Tube capacity:

For example, the lighting time is 7 hours per night (h)

Satisfied with 5 days of lighting (5 days+rainy night lighting, 6 days)

Battery=5 * 7h * (5+1)

This is 5 * 42

=210!

What is the capacity of a lithium battery?

The capacity of a single lithium battery generally refers to charging at a constant current of 0.5C to 3.65V, and charging at a constant voltage until the current drops to 0.01C in an environment with a temperature of 25 ± 2 ℃ and a humidity of (65 ± 20)% RH; When the power lithium battery cell is discharged at a current of 0.5C or 1C, the battery can store ampere hours or watt hours, and the capacity range allows a deviation of ± 3%. How are the voltage, capacity, and watt hours of lithium batteries calculated?


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