Commercial external accessible batteries or accus as well as a plug power pack with integrated accu charging function can be used alternatively.
供电方式可以选择常见民用外部电池，也可以选择带有充电功能的插头电源组。
Commercial external accessible batteries or accus as well as a plug power pack with integrated accu charging function can be used alternatively.
供电方式可以选择常见民用外部电池，也可以选择带有充电功能的插头电源组。
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