300mAh Battery For Sportdog SportHunter SD-1800 ST101-S transmitterdog Collar Battery Replaces Sportdog Houndhunter SD-1800, Uplandhunter SD-1850, Wetlandhunter SD-2000, Wetlandhunter ST101-W, Tritronics 200LR, UplandHunter SD-1850 ST101-B transmitter, SportHunter SD-1800 ST101-S transmitter, WetlandHunter SD-2000CAMO ST101-W transmitterBattery Replaces DC-24, MH330AAAK6HC, 650-060, BP00001061, BP1061 Voltage: 7.2V, Amperage: 300mAhmAh, Chemistry: NiMH Dog Collar Batteries 12 month warranty High Quality