Tolsen 60001 AAA Heavy Duty Zinc Carbon BatteryAAA Heavy Duty Zinc Carbon Battery Nominal Voltage: 1. 5V, Aluminum Jacket, Long Lasting and Durable, Suitable for Small Appliances with Low Power Consumption, such as Remote Controls, Clocks, Scales and Other Daily Household Equipment, Thickened Shell Design Effectively Prevents Battery Leakage and Protects Electrical Equipment, Environmentally Friendly, Contains No Mercury, Expiry Period: 3 Years