What is a Lithium Ferro Phosphate Battery? Lithium Ferro Phosphate Battery is also known as the Lithium Iron Phosphate Battery. There are two electrodes made of Graphite and Lithium Iron Phosphate. Lithium-ion batteries have a discharge voltage of 2.5 Volts. The maximum output charge per cell is 3.65 Volts. Lithium-ion batteries are widely used …