In Stock. Roc Mp3, Mp4, Pmp Battery Li-ion Battery Fits Roc, Digital 14003 Rocbox 20gb, Roc 3.7v, 1200mah CS-RM003SL $28.53 The battery that we show will replace the original and provide you with an alternative to most OEM batteries, The guarantee we provide is that the battery will be fresh and free from defects. Its confusing we know, often due to certain data not being available this battery will fit models that we do not show in the current list. As this information... Add to cart