General
Device type	UPS - external
UPS technology	Line-Interactive
Input voltage	220-240 V
Input voltage range	162-290 V
Required frequency	50/60 Hz
Power capacity	360 Watt
Output waveform	Step-by-step approach to a sine wave
Supplied voltage	12 V
Capacity	7 Ah
Charging time	4 hour(s)
Included cables	1 x USB cable
Special features	LCD display, Automatic Voltage Regulation (AVR), discharge protection, overcharge protection, overload protection, short-circuit protection
Required operating system	Microsoft Windows NT, Microsoft Windows 98SE/2000/ME/XP, Microsoft Windows Vista, Microsoft Windows 2003
Permissible ambient humidity during operation	0 - 90 %
Noise generation	40 dB

The Bluewalker UPS Powerwalker VI 650 LCD is an external uninterruptible power supply (UPS) with line-interactive technology, designed to protect IT and electronic devices from voltage fluctuations, power outages, and other grid disturbances. The unit offers a power capacity of 360 W / 650 VA and is suitable for use in office environments as well as small server and network installations. It features an LCD display showing operational status, charge levels, and mains voltage, and supports Automatic Voltage Regulation (AVR) to maintain output voltage within the specified range. The output waveform is a stepped approximation to a sine wave, which is sufficient for powering sensitive devices.

Applications
This UPS is intended for use in offices, home networks, and small IT infrastructures where continuous power supply is required for computers, routers, printers, or small servers. It protects against short-term power outages, voltage sags, and surges that can lead to data loss or hardware damage. The integrated AVR technology ensures that the output voltage remains within the 220–240 V range, even if the input voltage fluctuates between 162–290 V. This makes the device particularly suitable for locations with unstable power grids.

Functions and Equipment in Detail
The unit includes an internal battery with a capacity of 7 Ah and a voltage of 12 V, which supplies connected devices for a limited time during a power failure. The charging time is 4 hours, and the battery is protected by an integrated charge and discharge protection system. Additional protection features include overload protection, short-circuit protection, and overcharge protection to safeguard the device and connected equipment. The operating frequency is 50/60 Hz, enabling use in various countries. The noise level is 40 dB, ensuring quiet operation in office environments.

Technology Explained Simply
The line-interactive technology operates with automatic voltage regulation (AVR), which stabilizes the output voltage during grid voltage fluctuations without activating the battery. This extends the battery’s lifespan and reduces power consumption. In the event of a complete power failure, the device switches to battery power within milliseconds to avoid any interruption in power supply. The output waveform is a modified sine wave, which is sufficient for most IT devices, although not suitable for highly sensitive applications such as medical equipment or certain industrial controls.

Compatibility and Accessories
The device comes with a USB cable for communication with a computer, enabling orderly system shutdown in the event of a power failure. The required operating systems include Microsoft Windows NT, Windows 98SE/2000/ME/XP, Windows Vista, and Windows 2003. Compatibility with these systems allows the use of software tools for monitoring and controlling the UPS behavior.

Installation and Mounting
The UPS is placed on a flat, dry, and well-ventilated surface. Dimensions are 10 cm (width), 28.7 cm (depth), and 14.2 cm (height), with a weight of 4.3 kg. Installation involves connecting the unit to a mains socket and then linking the devices to be protected to the UPS output sockets. The LCD display allows for easy monitoring of operational status. The permissible ambient humidity during operation is 0–90 %, enabling use in environments with high humidity, provided there is no direct moisture.

Operational Advantages
The Bluewalker UPS Powerwalker VI 650 LCD provides reliable power supply with integrated protection functions that extend the lifespan of connected devices. The LCD display enables transparent monitoring of operational status, and the USB interface supports automated computer shutdown. The low noise level of 40 dB ensures unobtrusive operation in office environments. The AVR technology maintains stable voltage without unnecessarily stressing the battery, increasing the device’s efficiency and lifespan.