[Precise Measurements]Accurate results with voltage range of 0-100V and up to 200Ω for reliable battery diagnostics. [Versatile Compatibility]Designed for various batteries including lithium and carbon button batteries, suitable for maintenance enthusiasts. [Easy Operation]User-friendly setup with a Kelvin 4-Wire Connection and a TFT HD color screen for convenient reading. [Data Management]Features historical records, data export options, and sorting modes for efficient battery assessment. [Rechargeable Convenience]Includes built-in 1000mAh lithium battery and Type C charging for on-the-go testing of battery health.