A great way to monitor the charge of your Lithium batteries for projects. It displays the state of charge on your battery pack from 1S-7S (S meaning in series). Each bar indicated the state of charge. 4 bars means 100% 3 bars 75% 2 bars 50% and 1 bar 25%. Once it's charge is less than 25% it will only display the red outline.
Note: This LED Battery Indicator is compatible with any standard 3.7V Li-ion/Li-po battery or battery pack.
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