SolaX Power SK-BMU1300 - 4.4 Efficiency, Safety and Protection; 4.5 Internal Charger (for SK-SU)

4.4 Efficiency, Safety and Protection
Model SK-TL(SU)3000 SK-TL(SU)3700 SK-TL(SU)5000
Max. Efficiency
Euro Efficiency
MPPT Efficiency
Safety & Protection
Over voltage/under voltage
protection
DC isolation impedance
Monitoring
ground fault protection
Grid monitoring
Ground fault current monitoring
DC injection monitoring
Back feed current monitoring
Residual current detection
Anti-islanding protection
Over load protection
Over heat protection
97.6%
97.0%
99.9%
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
Battery nominal voltage [V]
Battery voltage range [V]
Max. charge/discharge current [A]
Discharge depth (%)
Charging curve
Communication interfaces
48
40-60
50
(adjustable)
80%(adjustable)
3-stage adaptive with maintenance
Can/RS232
97.6%
97.0%
99.9%
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
97.6%
97.0%
99.9%
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
4.5 Internal Charger ( for SK-SU)
Model SK-SU3000 SK-SU3700 SK-SU5000
Battery type
Lead-acid battery/Lithium battery
Battery temperature sensor
Yes
Winter mode
Yes