About this replacement
Designed for PetSafe, SportDog, Field devices. Compatible models include 250m PDT20-12471, 400m PDT20-10646, PDT00-11234, SRT-100, SD-400 Transmitter, Trainer SD-400S, FT-100. Replacement part numbers include 650-059, DC-16. Key specifications: 7.2V, 150mAh, Ni-MH.