Voltage: 12 Volts (12V) nominal.Capacity: 150 Ampere-hours (Ah) rated at the standard 10-hour discharge rate (10HR).Model Designation: Commonly labeled as 6FM-150AH or SFM-150AH.Technology: Uses deep-cycle gel or Absorbent Glass Mat (AGM) internal construction, making it maintenance-free with no fluid top-ups required.