Replacement battery fits 9 JNC compatible models. Specifications: 1100mAh, 3.7V, Li-ion. Compatible with: i-Audio X5 20GB, i-Audio X5 30GB, i-Audio X5L 20GB, i-Audio X5V 20GB, i-Audio M5L 20GB, i-Audio M5 20GB and 3 more compatible models. Replaces: i-Audio PPCW0401, i-Audio PPCW0504, JNC PPCW0401, JNC PPCW0504, Cowon PPCW0401, Cowon PPCW0504. JNC replacement battery designed for MP3 Player dev…