1150mAh Battery for SiriusXM SXi1 Lynx Portable Satellite Radio SX-6900-0010 MPF Products replacement for: SX-6900-0010 Batteries. Compatible with the following models: SiriusXM SXi1 Lynx Portable Satellite Radio. 3.7V 1150mAh 4.3Wh Lithium Ion Battery. MPF Products is a Registered Trademark.