EBL 4 Packs 2.4V 600mAh Cordless Home Phone Battery Replacement Battery for AT&T BT162342 BT162342 BT166342 BT-166342 BT266342 BT-266342 American Telecom: E30021CL E30025CL Model: BT 166342 2.4V 600mAh Ni-MH Battery Rechargeable: Yes / Replacement: Yes Perfect replace the original battery 30days money back and one year warranty