HQRP® Rechargeable Battery; Battery Voltage: 7.2V; Capacity: 2200 mAh; Ni-Mh; Compatible with Original Battery; 200 Days warranty! Compatible with Ademco Honeywell LYNXRCHKITHC LYNXRCHKIT-HC K5109 781410403291 55026089 WALYNX-RCHB-SC WALYNXRCHBSC LYNXRCHKIT-SC LYNX Voice, LYNXR, LYNXR24, LYNXR24-SP LYNXR-2FR, LYNXR-2SIA, LYNXR-ENSIA LYNXR-EN, LYNXR-I, LYNXR-IE, LYNXR-EN, LYNXR-I, LYNXR-IE, LYNXSIA Plus, LYNXR-ISIA, LYNX LYNXRCHKITSHA LYNXRCHKIT-SHA, LYNX Plus, LYNX Touch, LYNX Touch SIA, LYNXR CFLYNXR-EN, LYNXR-2, LYNXRIEN-A, LYNXRIEN-EA, LYNXR-IFR Security System;