MPF Products 2000mAh 990216 Battery Replacement Compatible with Pioneer GEX-INNO1, GEX-INNO1-P, Inno XM2go, GEX-INNO2BK, Inno 2, Samsung YX-M1Z Helix XM2go XM Radios Replacement for the following battery model/part numbers: Pioneer 990216, Samsung 990216, CS-PXM2SL, PDA-XM5. Compatible with the following XM radio models: Pioneer GEX-INN01, Pioneer GEX-INNO1-P, Pioneer Inno XM2go, Pioneer GEX-INNO2BK, Pioneer Inno 2, Samsung YX-M1Z Helix XM2go. 3.7V 2000mAh 7.4Wh Lithium-ion Battery. 1 Year Replacement Warranty (When Purchased From MPF Products). MPF Products is a Registered Trademark.