2 layers108.9 × 47.3 mm

PowerBankPD
NgxLuis/30W-PD-Power-Bank
PCB design - 30W High-Performance Power Bank utilizing SW3518, IP2326, and BM3451 for a 3S 21700 battery pack.
105 parts1MIT
Boards in 1 GitHub repository, designed in KiCad, that use the SW3518S by ISMARTWARE (QFN-28-EP(4x4) Battery Management ROHS). See how each wires it, with its parts, size, README and files; the SW3518S’s symbol, footprint and pinout are on its own page.

NgxLuis/30W-PD-Power-Bank
PCB design - 30W High-Performance Power Bank utilizing SW3518, IP2326, and BM3451 for a 3S 21700 battery pack.