แบตเตอรี่ไฟแสดงสถานะแบตเตอรี่ 12 V 4 Digment Led
1. Onboard high-precision voltage detection chip and power supply regulator chip
2 onboard 4-digit power indicator LED light divided into 3 colors red yellow yellow green represent 20% 50% 80% 100% of electricity
3. Reserve one battery detection interface and two mounting positioning holes
4 PCB size: 22.2 (mm) x 17.2 (mm)
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#Battery #Indicator