How to make mobile power bank at home using 3.7V Li-Ion Cells | Homemade powerbank 

In this video, I’ll show you how to build a powerful and portable mobile power bank using three 3.7V lithium-ion cells, a 3-cell holder, and a 3S BMS circuit. We’ll also use a 5mm female pin for charging and a USB port for mobile charging. The entire project is housed in a sturdy PVC pipe casing. Perfect for DIY enthusiasts and tech lovers!
Materials Needed:
Three 3.7V lithium-ion cells
3-cell holder
3S BMS circuit
5mm female pin for charging
USB port for mobile charging
PVC pipe for casing
Steps:
Assemble the lithium-ion cells in the 3-cell holder.
Connect the cells to the 3S BMS circuit.
Attach the 5mm female pin for charging input.
Connect the USB port for mobile charging output.
Secure all components inside the PVC pipe casing.
Test your new DIY power bank!
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