FNIRSI HRM-10 Battery Internal Resistance Tester Clamp – Kelvin Clip for 18650 / 26650 Cells Electric Scooter Battery 3mm T2 copper internal construction

3mm T2 copper internal construction

FNIRSI Voltage Internal Resistance Battery Tester，Battery Voltage Meter for Types of Batteries

designed for building a Makita 18V compatible lithium-ion battery pack

Temperature sensor

FNIRSI HRM-10 Battery Internal Resistance Tester Clamp – Kelvin Clip for 18650 / 26650 Cells Electric Scooter Battery 3mm T2 copper internal constructionThe FNIRSI HRM 10 Tester Clamp is a professional grade Kelvin clip designed to measure internal resistance on cylindrical lithium ion cells like 18650 and 26650. With its round clamp design and 4 wire configuration, it provides stable and precise contact, reducing lead resistance for more accurate readings. Key Features: Authentic FNIRSI accessory for IR testing Kelvin four wire clamp ideal for use with internal resistance meters Compatible with round