BBQ Grill Twin Eagles Battery Pack BCPS16173. If a Control Module Part # S16171 has not been purchased since 2016 or 2 years it would also have to be purchased along with this battery pack. There was an update to the battery pack that will cause issues with the older control module. Powered by 4- 1.5V AA batteries, included. Here is a link on the instructions on how to replace the batteries in this Battery Pack. Sync Handheld Remote Control to TEGH unit Control Module This is for a Single Item OEM High Quality that's made to last!! If a Control Module Part # S16171 has not been purchased since 2016 or 2 years it would also have to be purchased along with this battery pack. There was an update to the battery pack that will cause issues with the older control module. Powered by 4- 1.5V AA batteries, included. Here is a link on the instructions on how to replace the batteries in this Battery Pack. Sync Handheld Remote Control to TEGH unit Control Module COMPATIBLE WITH: GAS HEATER, TEGH.