Doohan DH-18 2019, User Manual

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4) when the battery is stored for a long time and reused, please fully charge the battery;
5) when the vehicles equipped with batteries are stored in safe places such as indoor,
exhibition hall and warehouse, or when the freight vehicles are used for short distance
transportation, please close and pull out the key, and then pull out the battery plug, so as
to eliminate the hidden trouble of electrical appliances.
Long term storage:
1) for long-term storage, please close and pull out the key, then pull out the
battery plug, disconnect the battery power supply circuit, to prevent the
battery from over discharging;