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Ships within 48 hours · Estimated delivery Aug 5 - Aug 10
Master and Slave mode configurable via AT commands
With a focus on clarity and simplicity
On-chip Debugging support and programming
or leak detection systems with ease
Input voltage ON/OFF switch
DIY power bank module solderless — 1–5x 18650 cells, LCD indicator, USB output, LED flashlight 12V Relay Master and Slave mode configurableBuild your own portable USB power bank without any soldering using this all in one DIY power bank module. Designed for simplicity and flexibility, it accepts 1 to 5 standard 18650 lithium ion cells (3. 6V3. 7V, not included) and provides a regulated 5V USB output for charging smartphones, tablets, and other USB devices. The built in LCD display shows remaining battery capacity and charging status at a glance, while the integrated LED flashlight adds
