DIY 18650 Battery Charger With MB10f Bridge Rectifier | REAL or FAKE 🤔

Описание: Many YouTube videos claim that the MB10F rectifier IC can magically convert 5V DC into 3.7V DC to charge a lithium battery. But is it true? In this video, I test the MB10F with a real power supply and multimeter to show the actual output voltage.

⚠️ Spoiler: MB10F is just a bridge rectifier — it cannot give a stable 3.7–4V output. What you see in those videos is either misleading or incomplete. Using it directly for charging a Li-ion battery is unsafe and dangerous.

👉 Watch this video till the end to see the truth about MB10F and learn what you really need for safe charging (TP4056 or proper charging circuit).

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