3.7v battery charger circuit diagram
how to make 3.7 volt battery charger
3.7v lithium battery charge full & low level indicator
3.7v battery full charge indicator
In this video i'm showing that how you can make simple 3.7v battery charger cum level indicator (Low & Full) circuit for both li-ion & li-polymer batteries
It simply works pretty good
when battery voltage will fall below 3.7v then RED led will glow that indicates Low Battery
And when battery voltage will rise to 4v during charging Green led will glow that indicates Fully charged.
For easy i have already designed PCB Layout, so you can download both circuit diagarm and PCB Files with below link
3.7v battery charger circuit diagram
how to make 3.7 volt battery charger
3.7v lithium battery charge full & low level indicator
3.7v battery full charge indicator
In this video i'm showing that how you can make simple 3.7v battery charger cum level indicator (Low & Full) circuit for both li-ion & li-polymer batteries
It simply works pretty good
when battery voltage will fall below 3.7v then RED led will glow that indicates Low Battery
And when battery voltage will rise to 4v during charging Green led will glow that indicates Fully charged.
For easy i have already designed PCB Layout, so you can download both circuit diagarm and PCB Files with below link
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