Constant-Voltage Charge:
Initial charging current: less than 1.5A
Voltage: 14.40 V ~ 15.00 V at 25°C (77°F)
Charging time: 16 ~24h
Constant-Current Charge:
Charging current: 0.5A, when charging voltage up to 15.60V, continue to charge 2h
Floating Charge
No limit on Initial charging current
Voltage: 13.50V ~ 13.80V at 25°C (77°F)