Lenmar Replacement Battery for Pioneer Inno and Samsung Helix XM Radios Fits: Pioneer GEX-INNO1, inno, inno 2BK, Inno XM Radio, XM2go, Samsung Helix XM Radio Replaces: Pioneer 990216, Samsung 990216 3.7V / 2000mAh Lithium Ion 2 Year Warranty Fits Pioneer Inno, Samsung Helix XM radios Replaces 990216 3.7V 2000mAh Lithium-Ion 1 Year Warranty