IK00365 Cell Internal Resistance Testing Meter For 18650/21700/26650/14500/AA/AAA Rechargeable cell. Discover the high-precision internal resistance meter, expertly crafted for testing rechargeable batteries. This advanced device measures both the voltage and internal resistance of a variety of battery types, including AA, AAA, 14500, 14650, 16340, 16650, 18350, 18500, and 18650 cells. Experience the most accurate readings to enhance your battery management.
Exceptional Accuracy: Delivers precise voltage and internal resistance measurements to help you monitor and maintain battery health.
Rechargeable Convenience: Equipped with a built-in rechargeable battery and a Type-C charging port, this meter is compatible with any 5V charger for effortless charging.
Clear LCD Display: If a power outage occurs, the LCD screen will show "LO" for 1 second, ensuring you are aware of the battery’s status.
Backlight Functionality: Easily control the green backlight with the button located above the display. A long press (3 seconds) powers off the device for added user convenience.
Automatic Sleep Mode: To conserve energy, the device automatically enters sleep mode after 30 seconds of inactivity.
Connection Reminder: If the voltage or internal resistance reads zero, it may indicate a faulty connection. Simply reconnect the battery and retest for accurate results.
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