Features: True 4-wire AC sinusoidal measurements effectively refrain the effects of test leads and contact resistance. Two function interfaces, battery sorting function. Built-in battery, phone recharger charging, low power consumption + multiple power saving options. The test range is up to 200 ohms with a minimum resolution of 0.01 milliohms and less than 5 milliohms. Press HOLD to enable the ZR function to measure internal resistance as low as 0.30-0.50 milliohms. Handmade, the appearance of the right side is overly cautious. True four-wire 1KHz AC sinusoidal battery internal resistance meter 0.00001 ohms-200 range. It can measure plumbic acid, lithium ion, lithium polymer, lithium iron phosphate, alkaline, dry battery, nickel hydrogen, nickel cadmium, button battery, etc. The ZR function measures below 5 ohms, and the internal resistance is more accurate.
