Replacement 920mAh 990552 L01L40321 Battery for Pioneer GEX-XMP3, Sirius XM XMP3, XMP3i & XMP3H1 Portable Satellite Radio Receivers XM-6900-0004-00 Replacement for: XM-6900-0004-00, 990552, L01L40321 & TBS100551042 Batteries. Compatible with the following radio models: GEX-XMP3, XMP3, XMP3i & XMP3H1 Devices. 3.7V 920mAh Lithium-ion Battery. 1 Year Replacement Warranty. MPF Products is a Registered Trademark.