The HB414-IV02E is a lithium coin battery manufactured by Seiko Instruments. It has a rated voltage of 3V and a capacity of 300μAh. The battery chemistry is lithium, and the battery cell size is coin, 4.8mm. The package is an SMD (SMT) tab, and the parts dimension is 0.19" Dia x 0.07" H (4.8mm x 1.9mm). The HB414-IV02E has a discharge rate of 5μA and a standard charge current of 5μA. It has an MSL level of 1 (unlimited) and is currently obsolete. The HB414-IV02E is a high-quality product that is in limited supply.