21700 4s PD QC 100W Power Bank Enclosure
by Yaroslav_Ryabtsev · from Printables
Free to print
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PLA from £6 inc. UK delivery on letter-sized prints. We slice, print on a calibrated Creality K2 / Bambu A1, QC and post.
Adaptation of a power bank PCB from Aliexpress with all major quick charging protocols and cell balancing.
