The 7E14008-NP Spare Battery Pack is designed for the for 843-R, 843-R-USB and 1919-R optical power meters.

Note: For more details, please contact a Newport`s sales representative or a repair and re-calibration centers. Newport advises purchasing batteries from Newport service centers to prevent possible malfunctions. Customers may replace the batteries themselves; however, doing so will void the warranty if applicable.