BA100 Vehicle Battery Analyzer 1. Utilizes a series of pulsed voltage across the battery cells and observes the AC current that flows in response to it.2. Use to test a wide range of 12V batteries (Starting [SLI], Deep Cycled and Marine) of Wet (Flooded), VRLA or Maintenance Free (MF), Sealed Maintenance Free (SMF), Absorption Glass Mat (AGM) and GEL cell. 3. Consistent and repeatable results, passive testing method is safe4. Never discharges or drain the battery, provides unique indication of battery conditions