Empire battery for Yaesu Vertex Standard FT10R FT40R FT50R VX10 1000mAh FNB41 with Belt Clip and Warranty Brand New Item With Warranty. Built to last with Hi Quality, Hi Capacity Cells Design to hold the charge for 60% more time that the standard Battery Heavy Duty Belt Clip Included Ni-MH Chemistry with no memory effect 100% compatible with OEM charger