Battery Internal Resistance Tester

1 Usually the smaller resistance for the battery or battery core, the higher quality for the battery. So testing battery resistance is a rapid and accurate method to check battery performance. 2 TOB-R203 Battery internal resistance tester adopts four line acquisition method, can test the resistance or impedance with or without power supply. 3 This battery internal resistance tester is widely used for battery manufacture and battery sellers to check the battery performance.