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7.2 Clearance
Make sure to leave a space of at least 300 mm. A clearance of at least 300 mm
must be Ieft around the battery pack for proper cooling.
NOTE
Make sure that the battery pack is always exposed to the ambient air.
The battery pack is cooled by natural convection. If the battery pack is
entirely or partially covered or shielded, it may cause the battery
pack to stop operating.