Battery Full Charge Alarm using TP4056 | DIY Buzzer Circuit for Li-ion Battery 🔋🔊
Aug 4, 2025•Channel
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Video Details
Published10 months ago
Duration0:17
Video IDlQ-qB_MMEWI
Languageen
CategoryScience & Technology
PrivacyPublic
Made for KidsNo
Video TypeYouTube Short
Performance Metrics
Views49.1K
Likes565
Comments6
Engagement Rate1.16%
Likes per 100 views1.15
Comments per 1K views0.12
Video Tags
#tp4056#lithium battery alarm#battery full alert circuit#18650 charger#diy electronics#full charge alarm#how to use tp4056#buzzer alarm for battery#tp4056 project#li-ion battery charger indicator#electronics for beginners#diy power bank circuit#battery charging safety#maker project#electronics tutorial
Description
Stop checking your battery manually! In this video, we build a simple yet useful full-charge alarm circuit using the TP4056 lithium battery charging module. 🔋🔊
By adding a PNP transistor and a buzzer, you’ll get an audible alert when your 18650 battery is fully charged. Perfect for DIY projects, power banks, or solar applications — no more guessing when your battery is ready!
📌 Components used: TP4056 module, 18650 Li-ion battery, 2N3906 PNP transistor, resistor, and buzzer.
🎯 Clear explanation and working principle included.
Let’s build it together — fast, simple, and effective!
#TP4056 #BatteryCharger #DIYAlarm #ElectronicsProject #LiIonBattery #DIY #Shorts