Smart battery charging technology for maximum durability of the battery.Cold start by battery without grid input.Charger capacity expansion to 12A for long-run models.Adjustable charging mode with two stages or three stages.Adjustable charging current via LCD panel.Graphic LCD display with interactive multilingual user interface.Extremely wide input voltage window of 110 VAC to 300 VAC.DSP technology guarantees high performance.Microprocessor control optimizes reliability.Rack Mount 10KVA UPS Power Supply Features Periodic battery self-test ensures early detection of a battery that needs to be replaced. The UPS’s output power factor is 1.0, which means that more critical devices with higher amount of total watts can be powered by the UPS, utilizing more loads efficiently. PER1110 rack mount 10kva ups power supply protects connected loads from surges, spikes, lightning, and other power disturbances. Prostar PER1110 single phase 10kva rack mount ups power supply for computer provides temporary battery power when the utility power is out.