9. Product Maintenance
SMF-MP10S User guide V1.1 Shanghai Seer Intelligent Technology Corporation 68
9.5.2 Storage of Charger
When the charger is not in use, it shall be placed in the packaging box.
The limit temperature of the warehouse shall be -20 to 70℃, the normal temperature
shall be -20 to 50℃, the relative humidity shall be 5-90%, and there shall be no harmful
gas, flammable, explosive, corrosive and other chemicals in the warehouse, or strong
mechanical vibration, shock and magnetic field influence.
The packaging box must be placed at least 20cm high from the ground and 50cm away
from the wall, heat source, and vent. The charger can be stored for two years under this
storage condition, and it must be tested again after two years.
The charger must be powered on every three months, and the power-on time shall not
less than 0.5h.
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