Description Product Description This product is a 12V battery power indicator module. Onboard is a high-precision voltage detection chip and power supply voltage regulator chip. It can read the approximate battery power of the current battery. It is small and convenient to use. Parameter: Measuring voltage: 12V battery On-board indicator: 4-digit power indicator LED, divided into 3 colors, red, yellow, yellow, and green represent 20%, 50%, 80%, and 100% respectively
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