APC BK650G2I 650 VA UPS

650 VA · 400 W W · Line-Interactive · 6

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Capacity 650 VA
Wattage 400 W
Topology Line-Interactive
Outlets 6
Output waveform Simulated sine

APC BK650G2I 650 VA UPS is a line-interactive UPS rated 650 VA (400 W). Add up what you plug in (PC, monitor, router) and keep it under about 70% of the watt rating, so it doesn't run flat in seconds during a power cut. It came out in 2026.

Released: 2026-09-02

Specifications

Key specs

Capacity: 650 VA
Wattage: 400 W
Topology: Line-Interactive
Outlets: 6
Output waveform: Simulated sine
Released: 2026-09-02
Part number: BK650G2I
EAN / UPC: 0731304792062

Features

UPS topology: Line-Interactive
Output power capacity: 0.65 kVA
Output power: 400 W
Waveform: Simulated sine
Input operation voltage (min): 176 V
Input operation voltage (max): 294 V
Input frequency: 50/60 Hz
Output operation voltage (max): 230 V
Output frequency: 47/63 Hz
Surge energy rating: 1080 J
Response time: 8 ms
Noise level: 45 dB

Ports & interfaces

AC outlet types: C13 coupler
AC outlets quantity: 6 AC outlet(s)
USB port: Yes

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Battery

Battery technology: Lead-Acid
Battery life (max): 5 year(s)
Battery recharge time: 8 h

Design

Form factor: Tower
Cable length: 1.5 m
Product colour: Black
Display type: LED
LED indicators: Battery replacement, Fault, Status

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Storage temperature (T-T): -15 - 45 °C
Operating relative humidity (H-H): 0 - 95%
Storage relative humidity (H-H): 0 - 95%
Operating altitude: 0 - 2000 m

Weight & dimensions

Width: 91 mm
Depth: 310 mm
Height: 190 mm
Weight: 6.4 kg

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About this product

This APC Back-UPS offers power and surge protection for wireless networks, computers, and other electronics in your home or business. The 650VA tower UPS has 6 total outlets, 4 of which are battery back up and surge protection, and 2 that are surge protection only. It has a surge energy rating of 1080 Joules. It features Automatic Voltage Regulation to smooth out voltage fluctuations from mains power supply without swtching to battery. This UPS has a 3 year warranty and CE product certification (3-year exclusive for EU, UK and Ireland). It is compatible with a dedicated user-replaceable battery, and the APC replacement battery cartridge helps restore UPS performance to the original specifications. It comes with PowerChute Serial Shutdown, UPS management software with graceful shutdown and innovative energy management capabilities. EcoStruxure IT SmartConnect integration via PowerChute Link for enhanced monitoring, efficiency, and performance management.

Datasheet (PDF)

BK650G2I vs similar UPS

	APC BK650G2I 650 VA UPS	APC BR650G2I 650 VA UPS	APC BK500G2I 500 VA UPS	APC BR900G2I 900 VA UPS
Capacity	650 VA	650 VA	500 VA	900 VA
Wattage	400 W	400 W	300 W	540 W
Topology	Line-Interactive	Line-Interactive	Line-Interactive	Line-Interactive
Outlets	6	6	6	6
Output waveform	Simulated sine	Simulated sine	Simulated sine	Simulated sine
Released	2026	2026	2026	2026