Rechargeable Type Lithium Ion Battery has good energy density and has internal PCB protection that prevents under voltage at 2.5 V and over voltage at 4.25 V. The Battery has diameter of 18.3 & plusmn; 0.5 mm, height of 66.5 & plusmn; 0.5 mm, weight of approx 46 gram. The Battery has nominal voltage of 3.7v, cut-off voltage of 2.5v, internal impedance of less or equal to 180 milliohm and has cycle performance of 90% of initial capacity at 400 cycles. The Rechargeable Type Lithium Ion Battery ensures discharge current of 0.5c ma end voltage of 3.0 V.
