Battery internal resistance tester is an intelligent instrument specifically designed to measure various battery resistance. It measures battery resistance with off-line mode and also has the function of measuring battery voltage. When measuring battery resistance, it adopts the international standard 1KHz constant current and four contactor &four wires to eliminate the effect between lead... Internal resistance Measurement Range: 0., 2ohm, 2ohm, 20ohm , Size:130x72x30mm , Internal Resistance Resolution: 0., 2ohm(0., 0001ohm), 2ohm(0., 001ohm), 20ohm(0., 01ohm Qseenlnoy Voltage Measurement Rance: 0~2V,2V~20V,20~200VVoltage resolution:(0~2V)1mV ,(2V~20V)10mV, (20V~200V)100mVWorking Environment temperature: -10~+40℃Power: One 9V Battery (not included)Display: LCD. AOT-SM8124A Resistance Voltage Tester is a portable battery tester used for battery voltage and internal resistance test, it is Suitable for lithium-ion battery, nickel-metal hydride, lithium manganese, lead-acid battery and other single battery or battery pack with voltage no more than 200V Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. Battery Internal Resistance Voltage Meter SM8124A Battery Resistance Voltmeter Internal Impedance Meter LCD Rechargeable B SM8124A Impedance Tester