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4Bit Battery Indicator LED Module
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1, onboard high precision voltage detecting chip and power supply chip
2, onboard 4 bit battery indicator LED lamp, composed of 3 colors, red, yellow, yellow, green, representing 20%, 50%, 80%, 100% of the electricity
3, set aside 1 road battery detecting interface and two mounting holes
4, PCB size: 22.2 (mm) x17.2 (mm)

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