Replacement 750mAh 1006500, 1038100, 1038100-D, 1038100-E, 1038100-F, 1038100-G, 1107000, CM-TR103 Battery for Tri-Tronics Pro, Pro Control & Sport Dog Collar Receivers Compatible with the following Tritronics dog collar receiver models: Sport 50, 60, 65BPR, Sport 'S', Multi-Sport, Multi-Sport 'S', PRO 100, 200, 500, PRO XL / XLS, Beagler, Flyway, Classic 70, Classic 70 S, Field 70, Upland Special, Upland Special XL, Upland Special XLS, Trashbreaker Ultra, Trashbreaker Ultra II, and Trashbreaker Ultra XL / XLS collars (DOES NOT FIT G2, G3, LS, LITE, OR ANY COLLAR MADE BEFORE 1998). Replacement for the following battery models: 1006500, 1038100, 1038100-D, 1038100-E, 1038100-F, 1038100-G, 1107000 & CM-TR103. 3.6V 750mAh 2.7Wh Ni-MH Rechargeable Battery Pack. 1 Year Replacement Warranty. MPF TM and MPF Products TM are Trade Marks.