LiFePO4 battery (Expert guide on lithium iron phosphate)
Let''s have a closer look at the charging stages of a lithium battery. Related reading: 4 Best ways to charge a LiFePO4 battery. Charging profile LiFePO4, stage 1: constant current. During the first stage, the charging current is the highest, and the LFP battery will recover up to 90% of its capacity in 1 to 2 hours.