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Calculation method for lithium content of 12V lithium-ion batteries:

If the current (mAh) is marked on the lithium-ion battery, dividing it by 1000 and multiplying it can obtain the weight of the lithium element. For example, if the current of a rechargeable battery is 5000mah, the lithium content is 5000mah; 1000X=1.5g, with lithium components less than 2g, which actually meets safety standards.

2. If only mAh (milliampere hour) is displayed on a 12V lithium-ion battery, the value can be divided by 1000 to obtain ampere hours (Ah). For example, the nominal voltage and capacity of lithium-ion batteries are 3000mAh and their rated energy is 3000mAh; 1000=3Ah, 3.7V× 3Ah=1.1Wh.

Calculation method:

1. Calculation method for rated energy:

A. If the nominal voltage (V) and nominal capacity (Ah) of the battery are known, the value of rated energy can be calculated:

Wh=VxAh

The nominal voltage and nominal capacity are usually marked on the battery.

B. If only milliampere hours (mAh) are marked on the battery, this value can be divided by 1000 to obtain ampere hours (Ah).

For example, a battery with a nominal voltage of 3.7V and a nominal capacity of 760mAh has a rated energy of:

760mAh&pipe; 1000=0.76Ah

3.7V× 0.76Ah=2.9Wh

2. Calculation method for lithium content in lithium-ion batteries:

If the battery is marked with current (mAh), the data can be divided by 1000 and multiplied by 0.3 to obtain the grams of lithium content in the battery.

For example, if the battery current is 4600mAh, the lithium content is 4600mAh; 1000X0.3=1.38 grams, which is less than 2 grams and meets safety standards.

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