No - load shutdown and auto holiday mode preserves battery charge leading to longer battery life. High charging current with 3 selectable current settings for quick charging from the battery.ALARMS & INDICATORS Audio Alarms : UPS ON, Battery Over Voltage, Battery Low Trip,Battery Low Pre-Alarm,Overload, Short Circuit Trip & No Load ShutdownVisual Indicator: On Mains, Charging, UPS, Eco, Overload, Low Battery Electrolyte Level Indicator ADAPTIVE BATTERY CHARGING CONTROL (ABCC) TECHNOLOGY Ensures faster battery charging Advanced battery management, which boosts battery life up to 70%Negligible battery-water loss Intelligent continuous charging profile adjustment PROTECTION Overload with Auto Reset Battery Deep Discharge Protection with Reset Option Ultra-Fast Short Circuit Protection Battery Reverse Polarity Protection