Energizer LR6 Industrial AAA general purpose 1.5 v alkaline battery is Reliable with a long shelf life and good low temperature performance. Key Benefit: Long-lasting power, Mercury-free & leakage protection for your devices. Energizer Industrial AAA alkaline battery is packaged for businesses, organizations, agencies that regularly use batteries in their operations For Use In Wireless microphones, in ear monitors, hand held devices, smoke alarms, infusion pumps, radios, portable transmitters, security back-up systems and more.