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Product(WR150) LANDROID L 20V 4.0AH ROBOTIC LAWN MOWER (1/2 ACRE)The charging time is far more than the rated charging time
(WR150) LANDROID L 20V 4.0AH ROBOTIC LAWN MOWER (1/2 ACRE)

The charging time is far more than the rated charging time

Try this solution

Clean the contact pins located on the charging base and the charging strip on Landroid using a cloth

Possible cause:
Poor connection caused by debris on the charging strip.