batteries/phone chargers: make sure the wh are labeled

Question

Dear All,I had a portable USB battery that I had travelled with through airports all over (including China for the previous 3+ years).My battery, along with those of several other passengers, were confiscated at security in Shenzhen airport  two months ago because the wh was not listed on the battery.According to the security staff, the newest regulations from this year state that the wh of less than 100wh must be labeled on the battery charger, or security can take it from you.So, check your battery for proper labeling before you travel. Each airport is different...you may encounter no trouble.

Martin · Answer

Last year, I took my power bank on board. The securities told me that it's safe to take them if there are wh marks. If there are rated voltage (V) and A (Ampere) / mA (milliampere), then they need to calculate wh=V X A or (V X mA) / 1000. This year, they implement the new rule. Thank you very much. It seems that I need to buy new power banks.

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Batteries/Phone chargers: Make sure the "wh" are labeled