Tags:
Power Bank Module, Makerbazar
Up-Down Dual USB Step-Up Mini Power Bank Module for DIY power bank projects and portable charging solutions. Features stable voltage boost and buck conversion with dual USB output for charging smartphones, tablets, and USB-powered devices. Ideal for 18650 lithium battery packs, electronics projects, prototyping, and DIY power supply applications. Compact, efficient, and easy to integrate into custom builds.




