2x Pack - Replacement Sirius SLSB1 Battery - For Sirius Stiletto 10/100 Satellite Radio Battery - Compatible with SL100PK1, SL10PK1, SLSB1, T004200, T004579, T0058844, Stiletto 10, Stiletto 100, Stiletto SL10, Stiletto SL100, SL10 Replacement Battery for Sirius SLSB1, SL100PK1, SL10PK1, SLSB1, T004200, T004579, T0058844, Stiletto 10, Stiletto 100, Stiletto SL10, Stiletto SL100, SL10 Battery Capacity: 1200mAh, Voltage: 3.7, Type: Lithium Polymer Quantity: 2, Lifetime Warranty On Sale for a Limited Time! Grade A Quality. High Capacity.