LCD display to show:
SPV voltage
Battery voltage
AC adaptor voltage
LED indications
Functional
Load on battery
Charge from SPV
AC mains ON (when AC adaptor is connected) Alarm
Battery low
SPV low
SPV high
Over load
Battery reverse
SMPS fail (When AC adaptor is Connected) - (only visual)
Audio alarm
Resettable buzzer for all alarm conditions except battery reverse.
Protections
Lightning and surge protection at SPV input
Over load
SPV and battery reverse connection
Battery deep discharge
Additional feature
AC adaptor interface.
Operating temperature
0-50°C 95% RH
Terminations
Screw type terminal blocks for
SPV
Battery
Load (2A max)
External adaptor of 12V/5A
Signals from AC adaptor