Replacement Battery for Optex, Panasonic works with Panasonic NV-DS, NV-EX, NV-GS, NV-GX, NV-MX, NV-RX, PV-G Series Fits: Panasonic NV-DS80, NV-DS90, NV-EX18, NV-GS7, NV-GX, NV-GX3782TH, NV-MX3, NV-MX300B, NV-RX11EG, PV-GS555 Replaces: Optex LI42, LI44, Panasonic CGP-D28A, CGR-120, CGR-220, CGR-D08A, CGR-D16A, PV-BP8, PV-DBP8 7.2V / 1100mAh Lithium Ion 2 Year Warranty Replaces Panasonic CGR-D120 and CGR-D08 7.2V 1100mAh (1.25hr.) Lithium-Ion 3 Year Warranty