HQRP® Two Rechargeable Batteries; Battery Voltage: 1.2V; Capacity: 1200 mAh; Ni-Mh; Rechargeable up to 1000 times; Compatible with Sony NC-5WM, NC-6WM, WM-701C, 1-528-231-11, WM-RX707, WM-F100, WM-FX675, NH-9WM, NH-9WM(N) WM-EX612 WM-EX622, MZ-R900DPC, MZ-R900PC, D-EJ1000, MZ-N710, D-EJ01, D-EJ2000, D-EJ825, D-EJ885, D-EJ915; Compatible with Sony 1-528-231-11, D-777, D-E01, D-E888, D-E900, D-E905, D-E990, D-E999, D-EJ01, D-EJ825, D-EJ885, D-EJ915, D-EJ925, D-EJ955, D-EJ985, D-EJ1000, D-EJ2000, D-NE1, D-NE9, D-NE10, D-NE20, D-NE20LS, D-NE830, D-NE830LS, D-NE900, D-NE920, MZ-E25, MZ-E30, MZ-E33, MZ-E35, MZ-E900, MZ-E909, MZ-E520, MZ-EP11, MZ-M10, MZ-M100, MZ-N1, MZ-N710, MZ-N910, MZ-NF810, MZ-NF810CK, MZ-NH900, MZ-R55, MZ-R90, MZ-R91, MZ-R900, MZ-R900DPC, MZ-R900PC, MZ-R909, MZ-RH10, MZ-RH910; NC-5WM / NC5WM, NC-6WM / NC6WM, NH-9WM / NH9WM / NH-9WM(N) W, NH-10WM / NH10WM, NH-14WM / NH14WM / NH-14WM(A), NW-MS9, NW-MS11, TCM-80V, WM-701C, WM-EX5, WM-EX20, WM-EX190, WM-EX511, WM-E