19.
20.
- 02 -
if not charging the battery for a long time, which will lead to fatal damage to the
battery if continuing too long. Please be careful.
Prohibit charging the battery under the condition of fire or extreme heat. Do
not use or store the cleaner near the heat source.
Prohibit piercing the cleaner shell with nails or other sharp objects, and
prohibit hammering, impacting and throwing the cleaner.
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