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20000mah充电宝  3D Printer File Image 1
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20000mah充电宝

user_3166982001 avataruser_3166982001

January 23, 2025

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Description

总容量20000mah充电宝,自带输出线,空间极致紧凑。

采用4节5000mah 21700锂电池并联安装,总容量两万。

外壳竖着打印,面板平着打。

需要图片中的充电宝套件主板,拆除USB-A母座,剪断一根数据线直接焊接。

需要型号为21700锂电池*4,并联安装

需要导线若干,尽量粗点,我用的规格是20awg。

需要点焊机,烙铁,及镍带若干。

盖板用热熔胶或502粘

主板数据支撑22.5W,

因没有太多设备,实测输入输出18W没问题。

电池成本35,主板成本31,其余辅料未记成本,一共花了66元。

 

License:

Standard Digital File License

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