Replace your worn-out battery of Samsung Galaxy Gear 2 with the high-quality Smart Watch Battery EB-BR380FBE. This battery offers 3.7V and 300mAh of power, guaranteeing that your smartwatch remains charged throughout the day. Compatible with models like sm-r380 and sm-r3810, it's the ideal choice for a seamless smartwatch experience. Keywords: smart watch battery, EB-BR380FBE, Samsung Galaxy Gear 2, sm-r380, sm-r3810, 3.7V, 300mAh