Here is a chart that shows stock battery % compared to the voltage for the stock battery. Best to keep the battery between 30-80% for max life. : r/Surron
Charging, discharging and lifespan characteristics curve of 48V, 300Ah... | Download Scientific Diagram
Calculating Proper Charge Settings for Rolls Flooded Lead-Acid Batteries : Rolls Battery Technical Support
LiFePo4 Voltage Chart: [12V, 24V, 48V & 1 Cell (3.2V)] Pro Tips – Solars House
Lead Acid Battery Voltage Chart
Battery voltages. | Electric Bike Forums
Battery Charging - Gel : Rolls Battery Technical Support
48v battery voltages help please | Electric Bike Forums
48 Volt (13S) Battery Voltage Chart - Li-Ion Batteries
Li-Ion Ebike Battery Charge Charts – Tales On Two Wheels