The ROS-TLU-850 (also known as the Rosso Power GR850) is an 850VA/500W line-interactive uninterruptible power supply (UPS) designed to protect electronic equipment from power surges, sags, and outages. It is a popular model in East African markets like Uganda and Kenya for home and office workstations.
Key Specifications
- Capacity: 850VA / 500W.
- Topology: Line-interactive with Automatic Voltage Regulation (AVR) to correct voltage fluctuations.
- Outlets: Typically features 2 universal outlets (10A) or up to 6 IEC C-13 outlets depending on the specific regional configuration.
- Battery: Uses a 12V/9Ah internal battery.
- Waveform: Simulated sine wave (stepped approximation).
Primary Features
- Cold Start: Ability to power on and run devices using the battery even without mains electricity.
- Smart Battery Management: Includes automatic battery testing and a system to extend overall battery life.
- Connectivity: Equipped with a USB communication port for monitoring and an RJ45 port for surge protection of telephone or data lines.
- Monitoring Software: Compatible with “Emily” monitoring software, which provides event-data logs and can trigger safe PC shutdowns during extended outages.
- Visual/Audio Alerts: LED status indicators and audible alarms to notify users of battery mode, low battery, or overload conditions.







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