Description:

* *Onboard high precision voltage detection chip and power supply voltage chip. *Four onboard battery indicator light-emitting diodes (leds), three kinds of color display, red, yellow, yellow, green, representing 20%, 50%, 80%, 100% of the battery. *Set aside all the batteries testing interfand the two positioning hole. *PCB size: 22. 2(mm)x17. 2(mm). Thank you very much! Features: Onboard high precision voltage detection chip and power supply voltage chip. Four onboard battery indicator light-emitting diodes (leds), three kinds of color display, red, yellow, yellow, green, representing 20%, 50%, 80%, 100% of the battery. Set aside all the batteries testing interfand the two positioning hole. PCB size: 22. 2(mm)x17. 2(mm). Package item include:1pcs.