Exell Li-Po Battery Replaces AT&T and Lucent Headsets 89-1343-00-00, BT190545, BT191545, CPP-529Z, 80-7927-00-00, 80-7428-01-00 Fits AT&T and Lucent TL7600, TL7601, TL7610, TL7611, TL7650, TL7651