The battery internal resistance tester can measure the battery internal resistance and voltage at the same time.<br>Wide applications:This product is widely used in battery production, maintenance, testing, scientific research laboratories and other occasions. It can also be used to measure the AC resistance of resistors and low-resistance high-precision resistance.<br>This tester adopts intelligent control and large display, also with built-in 1000mAh lithium battery to provide long service time, you can recharge it in time.<br>Portable size and easy to carry, you can take it with you to anywhere you want to use.<br>This product supports serial ports, and the measuring ranges of resisitanceis 0.0001mohm-200ohm, and the measuring ranges of voltage is 0.0001V-100V direct current.<br><br>Speed:5 times/second<br>Adjustment:Correction for resistance and voltage separately<br>Basic accurancy:<br>Resistance:0.5%<br>Voltage:0.5%<br>Measuring ranges:<br>Resistance:0.0001mohm-200ohm<br>Voltage:0.0001V-100V direct current<br>Resistance ranges:6 ranges automatic and manual<br>Voltage ranges:3 ranges automatic and manual<br>Battery:1 * lithium battery, 1000mAh (included)<br>Type:B<br>Colour:As Shown<br>Material:plastic+metal<br><br>Package Contents:<br>1 * Tester<br>1 * Probe<br>1 * test clip<br>1 * Fixture<br><br>Only the above package content, other products are not included.<br>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.