Ultra High Capacity Battery (3V, 1300 mAh, Lithium) Compatible with Duracell DL123A Compatible with Eveready EL123AP Compatible with IEC CR17345, Compatible with Kodak K123LA Compatible with Lezyne LIR123A, Compatible with NEDA Number 5018LC Compatible with Olympus 5/50QD, Compatible with Panasonic CR123A Compatible with Rayovac RL123A-1, Compatible with Sanyo CR123A Compatible with SportDOG BAT003, Compatible with SureFire ASSORTED Compatible with Varta 6205, CR123A, VL123A Batteries Synergy Digital Dog Collar Batteries, Compatible with Tri-Tronics Old Limiter Bark Collar Dog Collar Battery Combo-Pack includes: 2 x CR123A Batteries