Item Type: Battery Internal Resistance Tester. Within Normal Use Temperature (10℃-40℃), Temperature Drift 100ppm/℃. 1 x Battery Internal Resistance Tester. Battery Properties Lithium Battery. When the gear is within the range of 5%-95%, the error may be greater than the above accuracy when it is not in this range (less than 5% of the gear range, or greater than 95% of the gear range).
