This is a generic, equivalent one, 100% compatible. This 1.2V 1450mAh Replacement Ni-Mh battery is designed to compatible with Sony MZ-RH910 NW-MS11 NW-MS9 WM-EX20.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 1.2V
* Battery Capacity: 1450mAh
* Chemistry: Ni-Mh
* Condition: new, 1 Year Warranty!
* no memory effect so that you can charge battery at anytime.
* Integrated microchip prevents overcharging & lengthens battery life.

Compatible Part Numbers:
Nc-5wm Nc5wm
Nc-6wm Nc6wm Wm-701c
NH-9WM NH9WM NH-9WM(N)
NH-10WM NH10WM
NH-14WM NH14WM NH-14WM(A)
1-528-231-11

Compatible with following Models:
MZ-RH910, NW-MS11, NW-MS9, WM-EX20 and more.

Package Included:
1 x 1.2V 1450mAh Replacement Battery for Sony MZ-RH910 NW-MS11 NW-MS9 WM-EX20