The internal battery should be fully charged before using, in the first time, User should use solar panel under the sunshine, charging the battery kit for 2 days.
第一次使用前，使用者需要将蓄电池充满，需要将光伏板放置在太阳光下对蓄电池充电2天。
The internal battery should be fully charged before using, in the first time, User should use solar panel under the sunshine, charging the battery kit for 2 days.
第一次使用前，使用者需要将蓄电池充满，需要将光伏板放置在太阳光下对蓄电池充电2天。
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