The FX050-30 is a single cell, ultra-low power Excel Cell Electronic (ECE) battery. It is designed to provide approximately 10 years of power without recharging and has a life expectancy of 5x greater than similar batteries. Its maximum pulse discharge rating is 4A, and its internal resistance is rated at 0.08 ohms. The battery has an average voltage of 3V, and comes in a single cell, two cell, four cell, and six cell configuration. It is a great option for powering low power devices, including sensors, wearables, and small consumer electronics.