Garmin TT25/T20 Replacement Battery – Standard & Extended-Life

Keep your Garmin TT25 tracking and training collar powered and ready to go with a replacement rechargeable battery. Whether your original battery is no longer holding a charge like it used to or you want the added runtime of an extended-life battery, these replacement options let you get more use out of your TT25 without replacing the entire collar.

Choose the battery that best fits your needs:

Standard Battery – A direct replacement for the original battery in your Garmin TT25/T20 collar.

Extended-Life Battery – Provides increased battery capacity for longer runtime between charges, making it a great option for extended hunts or anyone who wants to charge less often.

Designed specifically for the Garmin TT25 Track & Train Collar, these batteries allow you to replace a worn battery and keep your existing collar in service.

How to Replace the Battery on a Garmin TT25 or T20

Replacing the battery on a Garmin TT25 or T20 is designed to be done by the user. Watch our step-by-step video below to see how to remove the old battery and install your replacement.

Need More TT25 Parts?

While you're working on your collar, check out our other Garmin TT25 replacement parts and accessories, including replacement antennas, antenna keepers, charging cables, and more.

Looking for another collar? Shop the Garmin TT25 Track & Train Collar and other compatible Garmin dog tracking equipment.

Features:

• Replacement rechargeable battery for the Garmin TT25

• Available in Standard and Extended-Life options

• Restore runtime to an older TT25 battery

• Extended-Life option provides additional capacity for longer use between charges

• Designed for user replacement

• Compatible with Garmin TT25 Track & Train collars and Garmin T20 Track Only collars