Transmitter Batteries Stock Number Battery Pack Description Misc. HRC54114 Tx NiMH Battery Pack 9.6V-1600mAh Elco Flash/Neon/SS1 (For Optic 6/Eclipse/Laser4&6)Cylinder Type HRC58260 HITEC 9.6V 650MAH TX NICAD FOCUS SERIES HRC58207 HITEC 9.6V 650MAH TX NICADFLASH PRISM LASER ECLIPSE OPTIC FOCUS SERIES For more information and option to buy link to: www.sigmfg.com