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How to charge the smart grid preset card

Insert the blood glucose meter after purchase.

Take the smart charging card to the residential property to buy electricity, then plug it into your own electricity meter, and the electricity meter will display well, then pull out the card and charge it.

Electric card alias charging card, an instrument for recording electricity consumption. The purchased electricity is stored on the electricity card, and the card is inserted into the electricity meter to recharge the electricity fee. The customer number is printed on the electronic card issued in the smart meter replacement business.