Discover the reliability of the Fire-Lite OSE-RBA Emitter Spare Battery, crafted by Fire-Lite Alarms by Honeywell. This alkaline battery boasts a higher energy density, allowing it to last longer while providing the same energy output. It delivers a steady 3.2V DC to ensure your compatible emitter is always ready for use. Keep your device operational at all times with this essential accessory. Don't miss out on this must-have; add it to your cart today!