The SportDOG SAC54-13734 battery kit is all you need to replace the rechargeable battery pack in your FT-125 transmitter. It comes complete with a brand new gasket to maintain the DryTEK waterproof seal. The battery pack is easy to install, requiring only a screwdriver that is included in the kit to access the battery compartment.

The SportDOG Battery Kit is designed specifically for use with the following SportDOG remote transmitters

• FieldTrainer® 425  (SD-425) (FT-125)
• Fieldtrainer 425S (SD-425S) (FT-125S)
• Fieldtrainer 425PINK (SD-425PINK) (FT-125P)
• WetlandHunter® 425CAMO (SD-425CAMO) (FT-125W)

Features

• Battery type: Nickelmetal hydride 3.7V 200mAh
• Fully rechargeable with more than 500 charge/discharge cycles
• Ni-Mh lasts twice as long and is more environmentally friendly than Ni-Cd
• Temperature range of -5F to 140F

Box Includes

• Ni-MH Battery 
• Screwdriver
• Gasket
• Instruction manual