Battery
Battery technology	Sealed Lead Acid (VRLA)
Typical backup time at full load	1 min
Typical backup time at half load	6.5 min
Battery life (max)	2 year(s)
Battery recharge time	8 h
Certificates
Compliance certificates	RoHS
Certification	CB Meet EN62040-1 / CE / IEC-62040-1 / IEC-62040-2
Design
Form factor	Compact
Cable length	1.2 m
Product colour	Black
International Protection (IP) code	IP20
LED indicators
Features
UPS topology	Line-Interactive
Output power capacity	0.95 kVA
Output power	520 W
Waveform	Sine
Input operation voltage (min)	140 V
Input operation voltage (max)	300 V
Input frequency	50/60 Hz
Output operation voltage (min)	230 V
Output operation voltage (max)	230 V
Output frequency	50/60 Hz
Output frequency regulation	0.5 Hz
Output voltage regulation	10%
Surge energy rating	273 J
Response time	6 ms
Input power factor	0.54
Noise level	40 dB
Audible alarm modes	Low battery alarm
Automatic Voltage Regulation (AVR)
Surge protection
Audible alarm(s)
Logistics data
Harmonized System (HS) code	85078000
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-15 - 40 °C
Operating relative humidity (H-H)	0 - 95%
Operating altitude	0 - 3000 m
Packaging content
Cables included	Input power cable
Management card included
Manual
Packaging data
Package width	197 mm
Package depth	430 mm
Package height	250 mm
Package weight	6.6 kg
Ports & interfaces
AC outlet types	Type F
Power plug	Type F
AC outlets quantity	4 AC outlet(s)
USB 2.0 ports quantity	1
USB port type	USB Type-B
Ethernet LAN (RJ-45) ports	2
USB port
SmartSlot
SmartConnect port
Weight & dimensions
Width	120 mm
Depth	355 mm
Height	160 mm
Weight	6.1 kg

The APC Back-UPS BX950MI-GR is an uninterruptible power supply (UPS) in a compact design, intended for use in home and small office environments. With an output capacity of 0.95 kVA and an output power of 520 W, it provides sufficient power supply for computers, routers, network storage, monitors, and other sensitive electronics. The UPS operates using the line-interactive topology, which enables efficient voltage regulation without immediately switching to battery power. The automatic voltage regulation (AVR) corrects voltage sags and surges in the power grid, protecting connected devices from damage without stressing the battery. The output voltage is constantly 230 V, with a regulation of ±10 %, ensuring stable power supply for sensitive devices. The waveform is a stepped approximation to a sine wave, sufficient for most electronic devices. The response time is 6 ms, enabling nearly instantaneous power takeover in case of a grid failure.

Applications include home environments, particularly workstations, home networks, smart home systems, and entertainment electronics. The UPS protects devices such as PCs, monitors, routers, modems, network storage, TV boxes, and smart speakers from power outages, overvoltages, and voltage fluctuations. The integrated overvoltage protection function absorbs up to 273 joules of energy to protect connected devices from damage caused by electrical surges. The network protection function via two RJ-45 connectors also protects data lines from back-door overvoltages that could enter devices through network cables, without affecting internet speed.

Functions and equipment in detail include four AC outlets of type F (shuttered socket), all equipped with battery backup and overvoltage protection. The UPS features a USB port (Type B) for communication with management software. The LED indicators on the front panel visually display the operating status, with green LEDs indicating normal operation. Audible signals, including a low-battery warning, support device monitoring. The battery technology is based on sealed lead-acid batteries (VRLA), which are maintenance-free and have a maximum lifespan of two years. Typical backup time is 1 minute at full load and 6.5 minutes at half load. Battery recharge time is up to 8 hours.

Technology explained simply shows that the UPS monitors the mains voltage in normal operation and automatically corrects deviations between 140 V and 300 V (input operating voltage). In case of a complete power failure, it switches to internal battery power within 6 ms to continue supplying connected devices. The output frequency is 50/60 Hz, with a regulation of ±0.5 Hz, sufficient for most devices. The input power factor is 0.54, describing the efficiency of power draw. The noise level is 40 dB, suitable for quiet operation in home and office environments. The UPS is designed for operating temperatures from 0 to 40 °C and relative humidity from 0 to 95 %. The maximum operating altitude is 3000 m above sea level.

Compatibility and accessories include the use of replacement batteries, such as the RBC17, specifically developed for models of the BK650EI series. The UPS comes equipped with an input cable of length 1.2 m. Certifications include CB, CE, IEC-62040-1 and IEC-62040-2, as well as compliance with RoHS. The delivery includes the user manual and the input cable. The UPS is designed for indoor use, as the IP20 protection rating does not offer protection against dust or water.

Mounting and installation is simple, involving plugging into a socket and connecting devices to the four shuttered outlets. The UPS is designed as a tower model, with dimensions of 160 mm (height) × 120 mm (width) × 355 mm (depth). The device weighs 6.1 kg. Installation requires no special tools or technical knowledge. The PowerChute Personal Edition software enables monitoring and control of the UPS via a computer, with exact functionality depending on the software version used.

Operational advantages lie in the combination of cost-effective power supply, efficient voltage regulation, and integrated overvoltage protection. The UPS protects sensitive electronics from power outages and voltage fluctuations, preventing data loss and device damage. Simple operation and visual and audible status indicators facilitate daily use. The compact design and low weight make the UPS suitable for mobile applications as well. The integrated network protection function also protects data lines, which is particularly important for modern home networks. The UPS is designed for use in home and small office environments where reliable power supply for computers, routers, and other devices is required.