General
Multiple stackable inverters
3 Phase connectable
Uninterrupted AC power (UPS function)
Power Control - Dealing with limited generator or shore side power
Power Assist - Boosting the capacity of shore or generator power
LCD display for parameter setting and error messages
Programming auxiliary relay (x 3)

Battery Charger
Adaptive 4-stage charge characteristic: Bulk-Absorption-Float-Equalize
The right amount of charge: Variable Absorption Time
Preventing damage due to excessive gassing: The Battery Safe Mode
Less maintenance and aging when the battery is not in use: The Equalize Mode
2 outputs to charge 2 battery banks
To increase battery life: Temperature Compensation
Battery Voltage Sense
Extensional Solar Charger Capacity expansion by max. 10 sets of solar chargers (Our Premium Series)

Description:
Stackable Inverter ~
Pure Sine Wave Inverter with AC Charger and Solar Charger (Option) + one more design [stackable function].
You may parallel SI Series, according to your requirement.
One unit is about 1.5K, if you want to increase to 4.5K, you just need to parallel 3pcs SI Series.
Connect directly with Solar system.
Natural Power System, Energy recycle for solar, Future trend. The charger 10 x ‘P’ series units can be paralleled.