Mini charger for a 3 7V lithium battery
Автор: E-Craft
Загружено: 2025-10-05
Просмотров: 3166
Mini charger with LED indication for a 3.7V lithium battery 🔋
A simple and compact circuit that shows when your battery is fully charged.
Perfect for DIY projects, electronics enthusiasts, and portable devices.
In this video, I’ll show how to build it yourself and explain how the charge indicator works.
✅ Easy to build
✅ Visual charging indicator
✅ Minimal components
✅ Works with Li-Ion & Li-Po batteries
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