Teardown of UGREEN 145W Superbox Laptop Power Bank (25000mAh)

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Introduction
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Today, we got another the 145W laptop power bank from UGREEN, which can charge three devices at the same time. And the high-power output can meet the charging needs of laptops. Let’s take it apart to see what it looks like inside.

Bill of materials (BOM)
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Battery Pack: BAK (21700 cells)
Battery Protection Chip: iCM CM1351
Battery Protection MOSFET: TECHCODE TDM3478
Synchronous Buck-boost MOSFET: TECHCODE TDM3478, TECHCODE TDM3452
Synchronous Buck-boost Controller: Powlicon PL5500
Solid Capacitor: Yunxing
Protocol Chip: Chipsea CS32G020K8U6, Chipsea CSU3AF10
Regulator Chip: Microne ME6203A
Output VBUS MOSFET: semi-one PED3008MA