风华绝代 发表于 2019-6-8 16:13:24

锂电池设计,后备电源,家庭用电,夜市出摊,下地浇水,电动车,外卖快递, ...

锂电池设计,后备电源,家庭用电,夜市出摊,下地浇水,电动车,外卖快递,四轮低速车,老年代步车都可以做,增程包,增加里程,价格比网上的便宜,能质保,方便维修,多少容量的都可以设计。
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