Onyehn 4pcs DC 12V-36V Voltage Protection Module Digital Low Voltage Protector Disconnect Switch Over Discharge Protection Module sold2024 uxcell 50pcs 3mm 940nm Infrared

uxcell 50pcs 3mm 940nm Infrared Emitter Diode DC 1

Compatible with Die Grinder

What will I get

Borescope Digital Camera with LED Lights

One USB port(5V/1A) can read USB disk

Onyehn 4pcs DC 12V-36V Voltage Protection Module Digital Low Voltage Protector Disconnect Switch Over Discharge Protection Module sold2024 uxcell 50pcs 3mm 940nm InfraredOnyehn 4pcs DC 12V 36V Voltage Protection Module Digital Low Voltage Protector Disconnect Switch Over Discharge Protection Module How to use: The first time a new battery is used, the rated voltage value is close to the actual value, Judgment to stop the discharge voltage. A reasonable discharge voltage value can be obtained according to the general voltage calculation method of the battery. When the old battery is used, the actual voltage value and