Constant-Voltage Charge:
Initial charging current: less than 1.8A
Voltage: 14.40 V ~ 15.00 V at 25°C (77°F)
Charging time: 15 ~18h
Constant-Current Charge:
Charging current: 0.1=0.60A, when chargingvoltage up to 14.40V, continue to charge 4h
Self Discharge
No limit on Initial charging current
Voltage: 13.50V ~ 13.80V at 25°C (77°F)