Precision measurement technology true 4wire AC sine measurement technology eliminates interference from test leads to deliver accurate results resolution as fine as 0.01 milliohms with temperature stability within 100 ppm per degree Celsius provides laboratorygrade precision for professional battery analysis and quality control Userfriendly operation large backlit display shows current and voltage readings simultaneously, updated four times per second intuitive controls with a hold function for convenient data retention temperature compensation available from 10°C to 40°C to maintain measurement accuracy in varying environments Extensive battery compatibility supports a wide range of battery chemistries: lithium ion, lithium polymer, lithium iron phosphate (LiFePO4), NiMH, and NiCd intelligent autoranging with a 2000count resolution display ensures accurate measurements across chemistries designed for technicians, engineers, and battery maintenance professionals needing reliable crosschemistry testing Multifunctional testing capabilities dual functional interfaces for voltage measurement (0100 V DC) and internal testing (up to 200 Ω) ZR function enables ultraprecise measurement of small internal resistors in the 0.30–0.50 milliohm range suitable for battery sorting and performance evaluation across a range of applications Use scenarios quality control in battery production or refurbishment lines, verifying low resistance and stable voltage across packs field or workshop testing of Liion, LiPo, or NiMH/NiCd battery packs for drones, tools, or consumer electronics to identify degraded cells research and development testing of battery chemistries and pack designs, where precise internal resistance and voltage data are critical for performance benchmarking