Teardown: JD Jingzao 55W 20,000mAh Power Bank (JZ602) — New-Standard 3C Certified with EVE Cells and INJOINIC IP5385 SoC
2026-09-07 · Compiled by Best IT Parts from public industry reporting
Chongdiantou tears down the JD Jingzao JZ602, a 55W 20,000mAh power bank certified under China's new national standard for power banks (3C). The two-tone silver-gray and light-blue unit ships with a 15cm braided USB-C cable, an 188-format digital LED charge display, and APP-based smart monitoring that reports remaining capacity, pack voltage, current, temperature, output power, battery health, and fault logs. Inside, two EVE 126280GS3 pouch cells (10,000mAh/37Wh each) are series-connected into a 74Wh pack with foam cushioning. Power conversion is handled by the INJOINIC IP5385, an integrated power bank SoC that combines the fast-charging protocol engine, MCU, and synchronous buck-boost controller in one QFN48 package, supporting 2-6S lithium and LiFePO4 packs with up to 100W bidirectional charging. Ports deliver 5-20V output with PPS, UFCS 1.0, QC3.0, FCP, SCP, and AFC. Produced for JD by Shenzhen Qiaowei Power, the design illustrates new-standard compliance at the component level.
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Technical details are reproduced as reported. Verify specifications against the original source before design or procurement decisions.