The 2000 watt power supply cannot be directly used to calculate how many Huawei mobile phones are charged, because charging power and charging time are the main factors affecting the charging speed.
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The charging power of Huawei phones is usually based on the model and the specifications of the charger. Assuming a Huawei phone has a charging power of 10 watts (this is just an assumption), then you can estimate the charging time using the following formula:
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Charging time (hours) = Huawei mobile phone battery capacity (mah)\/Huawei mobile phone charging power (watts)
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Assuming a Huawei phone battery capacity of 3000 mah, then using 2000 watts of power to charge a 10 watt Huawei phone:
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Charge time (hours) = 3000 mah \/ 10 Watts = 300 hours
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This calculation is only a rough estimate, and the actual charging time may vary depending on the health of the battery, the quality of the charging cable, the efficiency of the charger, and other factors. You are advised to refer to the Huawei mobile phone charging guide and use the official charger to obtain a more accurate charging time.
How many phones can be charged by 20 million mah depends on the battery capacity of the phone being charged. For example, the battery capacity of the hedge phone is 4000 mah, then it can charge 5.