Liwinon 786288 Cell Found Inside Xiaomi 67W Power Bank with Built-In Cable, Certified to New National Standard
2026-08-28 · Compiled by Best IT Parts from public industry reporting
A teardown by Chongdiantou reveals that Xiaomi's new-standard power bank PB2067MI (20,000mAh, 67W, built-in cable) uses a Liwinon 786288 battery cell inside. The adoption marks another design win for Liwinon in the mainstream power bank market as the industry transitions to the new national standard for power banks. For battery cell distributors, power bank OEMs, and B2B buyers tracking the component supply chain for new-standard products, the finding highlights which cell suppliers are winning sockets in high-volume consumer products — useful intelligence for sourcing and multi-sourcing decisions in the fast-growing fast-charging power bank segment.
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