Wishlist Quick view Kastar Honeywell Ademco LYNXRCHKIT-SHA Lynx Backup Battery 7.2V 3.7AH $46.66 The LYNXRCHKIT-SHA Lynx Backup Battery is a high capacity, 24-hour, rechargeable backup battery pack for the Honeywell Lynx Plus Control Panel.The LYNXRCHKIT-SHA rechargeable battery kit is designed... Add to Cart Add to Wishlist