Battery capacity: 350mAh Voltage limit: 4.47V Compatible with: EB-BR860ABY For Samsung Galaxy Watch4 40mm EB-BR870ABY For Samsung Galaxy Watch4 44mm EB-BR880ABY For Samsung Galaxy Watch4 Classic 42mm EB-BR890ABY For Samsung Galaxy Watch4 Classic 46mm Battery Country of Origin: China Packing specification: bulk package (bubble envelope bag) Important: New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion battery's full performance and longevity is only achieved after 2 to 3 complete charge and discharge cycles. After you go through 2 to 3 cycles, you'll never have to condition your battery again! All talk and standby times are approximate, depending upon carrier's network settings, signal strength, and features selected. Talk and Standby times will be lower in Analog mode as...