On Order Gateway Mp3, Mp4, Pmp Battery Li-ion Battery fits Gateway, Dmp-x20 Mp3 Player, Gateway 3.7V, 750mAh CS-DX20SL $28.09 Our batteries from Cameron Sino are built using high quality components and cells from all the most popular manufacturers, be safe in the knowledge that this battery will perform the same as your original battery. If you have the battery model number this is probably the most sure fire way to identify the correct replacement battery for your device. Some... Add to cart