PowerSmart 3.7V 1800mAh Li-ion MP3 Player Battery for PIONEER, SAMSUNG, GEX-INNO1, 990216, inno2BK, XM2go, The brand "PowerSmart" is our exclusive registered trademark, products trademarked "PowerSmart " are marketed and sold exclusively by power198 Please ensure the product(s) that you are going to buy fits the brand, model, part number and dimension (mentioned above) of your device. Battery Type: Lithium-ion (Li-ion) Voltage: 3.70V Capacity: 1800mAh Color: Black Dimension: 51.65 x 38.00 x 10.90 mm ||Weight: 45.40 g Product Type: Replacement Battery (Brand New) Condition: New, 1 year warranty!