MPF Products 3.7V 170mAh GP0836L17 Battery Replacement Compatible with Sony Ericsson MW600 & MH100 Wireless Bluetooth Headsets Compatible with the following models: Sony Ericsson MH100 & MW600 Headsets. Replacement for the following battery models: GP0836L17 & CP-MH100. 3.7V 170mAh Li-Poly Battery 1 Year Replacement Warranty. MPF Products is a Registered Trademark.