PIONEER GEX-INNO1, inno2BK, Inno XM Radio XM2go MP3 Player Battery 990216 Replacement Battery Type: Lithium-ion (Li-ion) | Voltage: 3.70V Capacity: 1800mAh | Color: Black Dimension: 51.65 x 38.00 x 10.90 mm Rate: 6.70 Wh | Weight: 45.40 g Please ensure the product(s) that you are going to buy fits the brand, model and part number of your device.