NiCD replacement GE Ericsson 19D9006391G1 battery provided by AtBatt.com is designed for use with the MPI (2 watt) two-way models. The 2W-EX6391 is designed to replace OEM part numbers: 19D9006391G1, 19D9006391G2, 19D9006391G4, 19D9006391G6. • Capacity 600mAh 7.5V