If you want to replace the cells in the Infinity transmitter battery case, you can obtain a pack specifically made for the Infinity transmitter from Batteries America, 800-308-4805, www.batteriesamerica.com
It is available in a Side-By-Side or Twin-Stick configuration. The Twin-Stick is the same physical size as the original. If you order the Side-By-Side, you must remove the foam spacer to fit the insert.
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