Garmin TB10/PT10 Replacement Battery vs SportDog SD-1275 Replacement Battery

Buy the Garmin battery if you own a Garmin PRO-series collar and want a spare that keeps a long training day going. Buy the SportDog SD127SL only if you own a SportDog SD-1275 system, because the two batteries are not interchangeable. The Garmin part is a direct-fit replacement with a stated 40-hour TB10 and 60-hour PT10 runtime; the SportDog pack is a smaller 500mAh LiPo cell with no runtime claim. Neither is a training collar on its own, so match the battery to the system you already own.

• Choose the Garmin TB10 and PT10 battery if you run a Garmin PRO-series collar and want a spare pack rated for 40 hours on the TB10 and 60 on the PT10.
• Choose the SportDog SD127SL if you own a SportDog SD-1275 and need a replacement 7.4V 500mAh LiPo pack.