Replacement battery fits 227 Philips compatible models. Specifications: 1200mAh, 1.2V, Ni-MH. Compatible with: Victor XM-C3-G, Victor XM-ZX3-P, Victor XM-C11-R, Victor XM-PX33, Victor XM-PX3-Y, Sony D-EJ01 and 221 more compatible models. Replaces: Sony NC-5WM, Sony NC-6WM, Sony NH-9WM, Sony NH-10WM, Sony NH-14WM, Sony NC-4WM and 34 more. Philips replacement battery designed for MP3 Player devices.