Ajax EN54-INTERNAL-BATTERY-72-BLACK EN54 Internal Battery internal battery for Ajax fire alarm control panel; 72-hour operation; black Warranty : 2 year News Storage capacity 5 Ah 10 Ah Color Black White Log in for retail prices and stock availability. Related products Ajax EN54-FIRE-HUB-BLACK EN54 Fire Hub fire alarm control panel; wireless; black Downloads Datasheet: EN54-INTERNAL-BATTERY_adatlap_ENG.pdf Properties Tension: 7.4V Storage capacity: 10 Ah Color: black