Universal Spyder Paintball Replacement 9v Battery Harness E-Trigger VS RS Fenix RARE! #126 This is a factory replacement 9v battery harness for all Spyder Electronic paintball markers. Fits the EM1, Raven Primal, ESP, E-Trigger, VS, RS, Fenix, Advancer, Pilot, Electra, Xtra, Sonix,