Holds 12-"AA" Batteries (not included). Lithium Batteries reccommended since they will not leak or corrode in high heat areas thereby ruining the battery tube. Powers all Platinum Technology 2.0 and 2.1 18V DC products. Powers all Turnils 18V DC lift systems including Kathy Ireland and many more. Accepts a barrel power connector. Replaces Hunter Douglas Part #2920499000 with Hunter Douglas Part #7520064000