You are purchasing a NEW Battery from UE Sytems,  BPA-2 for Ue Systems ULTRAPROBE. This battery is from UE Systems and during calibration a a new battery was installed in the unit. This was never used and purchased in12/23. Make sure your unit uses the BPA-2 battery . The battery size is 4" X 1" X approx 9/16". Shipping within 24 hours of receiving cleared payment or first day following weekend or Holidays. Payment due within 48 hours of auction closing.  If you have any questions or need more pictures please email.   Thanks for looking