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Power bank, 4S 21700 battery pack, with XT60 connector, voltage display
IP Report
Print Profile(1)
0.2mm layer, 2 walls, 15% infill
Designer
2.9 h
1 plate
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Description
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Four 21700 lithium battery packs, a 5mm self-locking switch, a dual-line voltmeter, supporting 60W bidirectional fast charging, enabling emergency charging for phones or laptops
Top cover printing requires supports to prevent stringing
Protection board and charging board references are available via open-source links
Charging board: https://oshwhub.com/wzw666/2368mini
Protection board: https://oshwhub.com/wzw666/bm3451
Search “BM3451 protection board, IP2368 charging board” on Xianyu; protection board + charging board, approximately 60 yuan
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