VERIFY YOUR CONNECTOR WITH THE RED IMAGE ON THE LEFT | (3-Pack) Replacement Battery BT184342 / BT284342 for AT&T CL80100, CL80109, SL80108, and many other Cordless Telephones / Voltage: 2.4V - Capacity: 550mAh - Composition: Ni-MH | Also a Compatible Replacement for Battery Models: BT8001, BT8000, BT8300, BT18433, BT28433, BT184342, BT284342, 89-1335-00, 89-1344-01, BATT-6010, CPH-515D | Compatible with the Following AT&T Cordless Telephones: CL80100, CL81100, CL81200, CL81300, CL82100, CL82200, CL82250, CL82300, CL82350, CL82400, CL82450, CL82500, CL82550, CL82600, CL84100, CL84200, CL84250, CL84300, CL84350, CL80109, CL81109, CL81209, CL81309, CL82109, CL82209, CL82309, CL82359, CL82409, CL82509, CL82659, | CL82859, CL84109, CL84209, CL84309, TL92278, TL92328, TL92378, EL51109, EL51209, EL51359, EL52109, BT8001, EL52209, EL52259, EL52309, EL52409, EL52419, EL52459, SL80108, SL81108, SL81208, SL82118, SL82218, SL82318, SL82418, SL82518, SL82558, SL82658, SL82208, SL82308, SL82408 TL92278 TL92328 TL92378 SB67030 SB67040