BATTERY; AMPER HOUR CAPACITY: 2100MAH; VOLTAGE (V): 3.6V; DIMENSIONS: 17MM(D)X33.5MM(L); MATERIAL: LITHIUM THIONYL CHLORIDE; INTENDED USE: SFX-WIN SENSOR DESIGNATION:SFX-WIN-BAT-2 3AA-70 SENSOR; ADDITIONAL FEATURES: CONTAINS 70UNITS, CONTINUOUS DISCHARGE CURRENT: 50MA, MAXIMUM PULSE CURRENT:100MA, WEIGHT: 18G; SUGGESTED BRANDS: EEMB BATTERY ER17335