Now it is close to the end of 2020. But the people of COVID-19 are still a high number there. We are all tired of the endless info on the epidemic. Almost all the industries have suffered a tough time this year, including the power bank industry. The power bank
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You may think the A in mAh looks weird. So do I. However, the A is capitalized because A is for “ampere” in the Units International System. And mAh is short for “milliampere-hour.” Understand mAh According to the evolution formula of Ohm’s law under the pure resistance circuit, we know
Most people think a 10000mAh power bank can charge 4 times for a 2500mAh mobile phone. However, you will find the power bank is empty before “the expected condition.” Today, let us explore why it happens. Understand Real Capacity Of Power Bank Usually, the power banks are made with 3.7V
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