What Voltage Does A Lithium Ion Charge At. Based on this a charge voltage range between 138V and 147V is sufficient to charge. Usually the charge protocol says to charge the battery at a constant current of C10.

The recommended charging rate of an Li-Ion Cell is between 05C and 1C. Most cells charge to 420Vcell with a tolerance of 50mVcell. Li-ion battery reaches full charge when it reaches the voltage threshold when the current reading registers at 3 of the current rate.
A normal lithium-ion battery has a working voltage of about 3V to 42V a nominal voltage of about 37V and a capacity of 2200mAh to 2600mAh.
This means an SLA battery should be kept below 147V for Stage 2 charging and below 152V for lithium. Lithium-Ion State of Charge SoC measurement. Charging beyond this causes stress to the cell and results in oxidation that reduces service life and capacity. What this means is that the maximum voltage of the cell is 42v and that the nominal average voltage is 37V.
