Lithium 18650 Battery Voltage Indicator 3.7V To 4.2V | NO ic

hi friends
Lithium ion battery are common used in electronic projects️ and they need to used correctly the voltage of Lithium batteries are from 3.7V to 4.2V and it needs to monitored because if Lithium battery's are over discharge to 3V they don't last very long so we need a Indicator or Voltage meter for them to see how much charge it has i maked a Super simple Voltage meter for Lithium batterys 18650 or it can be used for any 3.7V to 4.2 battery 🔚

👉parts List👈

1➡️- Red Led (2Pcs)
2➡️- Green Led (2pcs)
3➡️- 1N4007 Diode (3pcs)
4➡️- 100 Ω resistance (4pcs)

check my latest video for more
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adjustable power supply
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▶️🔴    • High power voltage regulator 0V to 30...   🔴 ✔️
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relay short circuit protecton
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▶🔴️    • How to make short circuit protection ...   🔴 ✔️

🚫⚠️☢️☣️🚫
Tags:
#18650
#3.7V
#4.2V
#Lithium battery cherger
#18650Battery
#batteryCharger
#3.7VBatteryCharger
#4.2Vbatterycharger
#howto