What is protection features of the inverter?

What is protection features of the inverter?

Protection features of the inverter:
Some abnormal conditions occur with RED LED on:

1. Battery voltage drops to 9.5v (12v inverter)/19v (24v inverter), and audible alarm occurs when battery voltage drops to 10.5v/21.0v.
2. Battery voltage goes up to 15.5v (12v inverter) / 30v (24v inverter).
3. The power of connected equipment exceeds inverter’s rated power range.
4. The surge power of equipment is too high for inverter to start.
5. The surrounding temperature goes up to 165℉.