If a Control Module Part # S16171 has not been purchased since 2016 or is 2 years old or older it is suggested to purchase along with this battery pack.  There was an update to the battery pack that can cause issues with the older control module.

Powered by 4– 1.5V AA batteries, included.

How to replace the batteries in your TEGH48

Sync Handheld Remote Control to TEGH unit Control Module

Parts List Battery Pack

WARNING

Each, sold separately.