How to Make a 10400mAh Power Bank at Home DIY Power Bank Without Spot Welder!

How to Make a 10400mAh Power Bank at Home DIY Power Bank Without Spot Welder!
In today’s video, I’ll show you how to make a DIY power bank at home using 4x 18650 Li-ion batteries (2600mAh each), a battery holder, and a dual USB charging module with digital display — all without using any professional tools or battery welding machine. This easy power bank making project is perfect for beginners and works great for charging phones, smartwatches, and other USB devices.

🎁 What You’ll Need:

4x 18650 Li-ion Batteries (2600mAh)

Dual USB Charging Module with Digital Display

Soldering Iron & Hot Glue Gun

🔗 Product Links:
18650 Battery Pack (2600mAh x4) https://amzn.to/3FkOoW1
Charging Module with Digital Display https://amzn.to/3EZvzaY

💡 Key Features:

10400mAh total capacity

USB dual output

Overcharge & Over-discharge protection

Display with percentage and flashlight

Charges via 5V USB input

⚠️ Important Note:
Don't connect batteries in series! This module supports only 3.7V–4.2V input. Use parallel wiring to avoid damage.

👀 Watch till the end to see the full test with phone, smartwatch, and both USB ports.

📩 Let me know in the comments if you want a 3D printable case in the next video!
If this helps, hit that like button and subscribe for more easy tech fixes! 🙌
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#DIYPowerBank #18650Battery #PowerBankProject #MakePowerBankAtHome #ElectronicsDIY #NoSpotWelder
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THE MUSIC I USED IN THE VIDEO:
Music track: stroll by massobeats
Source: https://freetouse.com/music

Видео How to Make a 10400mAh Power Bank at Home DIY Power Bank Without Spot Welder! канала Babin Meitei