1615mAh Extended AE737173025076 Battery for Sirius Stiletto 2 SL2 Portable Satellite Radio SL2PK1 01070000014 Compatible with the following radio models: SiriusXM Stiletto 2 SL2PK1 (SL2). Replaces the following model battery packs: AE39383803012, AE737173025076, AE745174106982 & 01070000014. 3.7V 5.97Wh Lithium-ion Battery. 1 Year Replacement Warranty. MPF Products is a Registered Trademark.