2X Digital Display Battery Voltage Internal Resistance Tester 0-999MΩ Universal 18650 Lithium Battery AA Detection

2X Digital Display Battery Voltage Internal Resistance Tester 0-999MΩ Universal 18650 Lithium Battery AA Detection Popis

A wide range of compatible applications
Simple operation at a glance, one key single / off backlight / sleep
Intelligent detection prompt
ABS flame retardant environmental protection material, high temperature resistance
Master it at any and anywhere, light weight / small size / built-in lithium battery / portable belt

It integrates a variety of powerful functions and functions
Professional precision LCD industrial appearance, simple operation, backlight function and long storage
HTN wide viewing angle LCD green backlight
Large capacity and easy charging
3.7v/1000mah standby lithium battery type-C charging interface
Measuring 18650 lithium battery
Voltage and internal resistance of AA / AAA alkaline battery
And displayed by LCD
Size: 156 x 63 x 36mm
Calibration method:
After dismantling the back panel, remove the marked ones first.
Gently push from the front LCD position, and then reversely remove the red wire the back, so that it can be removed
Then find a way to add a standard voltage of 5V between V+ V-.
Press the button again to turn the product to see if the voltage can be displayed normally
Then just remove the battery
Short-circuit the two points this side, then plug in the battery, and the meter will automatically calibrate.
After the calibration is successful, you can install it back as normal.
Colour: black
Material: plastic

Package Contents:
2 x digital display tester (Due to different batches, the appearance of the product may be different, but the function is the same)