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APC Back-UPS BK650EI - 650VA, 4x C13 output, USB

APC Back-UPS BK650EI - 650VA, 4x C13 output, USB, Standby (Offline), 0.65 kVA, 400 W, Sine, 160 V, 286 V

Best offerPrice trend

£149.80

-4%
Price trend
Detailed analysis
Price history of APC Back-UPS BK650EI - 650VA, 4x C13 output, USB over the last 3 months
DatePrice
5 March 2026£166.99
12 March 2026£159.99
21 March 2026£149.80
31 March 2026£159.99
7 April 2026£159.99
10 April 2026£149.80
13 April 2026£159.99
14 April 2026£159.99
17 April 2026£149.80
21 April 2026£159.99
28 April 2026£139.39
6 May 2026£159.99
9 May 2026£149.80
17 May 2026£159.97
25 May 2026£159.97
2 June 2026£149.80
2 June 2026£159.97
Offres:

Compare APC Back-UPS BK650EI - 650VA, 4x C13 output, USB prices UK

*Date of last price update

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Product Information

Security through emergency power
An APC Back-UPS has a built-in battery that ensures that all connected equipment, such as a NAS, router, modem and media box, continues to work if the power goes out. In addition, this APC emergency power supply can also automatically shut down a NAS or PC in time via the USB connection. Useful when the APC ups is almost empty. This prevents downtime, damage to equipment, and loss of data.

Safety
In addition, this safe APC Back-UPS protects valuable equipment against peak voltage caused by lightning strikes, for example.

Insurance
Despite the high risk of lightning strikes and surges, APC has full confidence in its products and offers this APC Back-UPS:
- Equipment protection policy of 100,000 euros

Extend the lifespan
The internal battery cartridge (RBC17) can be replaced easily, safely and independently by the user. This way you can easily and cheaply extend the lifespan of the APC Back-UPS BK650EI.

Warranty extension
The factory warranty of the BK650EI is 2 years and you can upgrade to 5 years with the APC service pack (WBEXTWAR3YR-SP-01A).

The re-invention of the most relied upon desktop UPS in history: the Back-UPS!

The Back-UPS CS provides professional-grade power protection for office and home office systems. Battery powered & surge protected power outlets, built-in phone/fax/modem line (DSL compatible) protection, safe system shutdown software with sophisticated power management features and pro-active audio-visual status indicators ensure office systems and their valuable data are protected from dangerous power surges, spikes and blackouts. Serial or USB connectivity gives users more flexibility making installation quicker and easier. Easy access to a hot-swappable, user-replaceable battery also makes servicing the Back-UPS CS hassle-free. These features along with its classic styling make the Back-UPS CS a perfect choice for protecting your important office and home office systems.

Uninterruptible Power Supplies (UPSs) APC

Product

Name
APC Back-UPS BK650EI - 650VA, 4x C13 output, USB
Brand
APC

Weight & dimensions

Width
91 mm
Depth
284 mm
Height
165 mm
Weight
6.03 kg

Operational conditions

Operating temperature (T-T)
0 - 40 °C
Storage temperature (T-T)
-15 - 45 °C
Operating relative humidity (H-H)
5 - 95%
Storage relative humidity (H-H)
5 - 95%
Operating altitude
0 - 3048 m
Non-operating altitude
0 - 15240 m

Ports & interfaces

AC outlet types
C13 coupler, IEC 60320
Power plug
C14 coupler
AC outlets quantity
4 AC outlet(s)
Number of output IEC jumpers
2
USB port
Yes

Other features

Nominal output voltage
230 V
Nominal input voltage
230 V
Filtering
Yes
Packaging content
Detachable IEC C13 to IEC C14 power cords

Battery

Battery technology
Sealed Lead Acid (VRLA)
Battery capacity
9 Ah
Battery capacity
111 VAh
Battery voltage
12 V
Typical backup time at full load
4.7 min
Typical backup time at half load
14.7 min
Battery life (max)
6 year(s)
Battery recharge time
8 h
Automatic battery test
Yes
Replacement battery cartridge
1

Design

Form factor
Tower
Product colour
Beige
Cable length
1.8 m
LED indicators
Yes

Features

UPS topology
Standby (Offline)
Output power capacity
0.65 kVA
Output power
400 W
Waveform
Sine
Input operation voltage (min)
160 V
Input operation voltage (max)
286 V
Input frequency
50/60 Hz
Output frequency regulation
47 - 63 Hz
Maximum current
7 A
Surge energy rating
310 J
Hold time (min)
6 ms
Hold time (max)
10 ms
Efficiency
98.9%
Noise level
45 dB
Surge protection
Yes
Surge protection features
Digital Subscriber Line (DSL), Fax, Modem, Telephone
Audible alarm(s)
Yes
Audible alarm modes
Low battery alarm, Overload alarm

Logistics data

Products per pallet
48 pc(s)
Harmonized System (HS) code
85078000
Products per master (outer) case
1 pc(s)

Packaging data

Software CD
Yes
Bundled software
PowerChute Personal Edition
Package width
185 mm
Package depth
415 mm
Package height
494 mm
Package weight
7.31 kg

Certificates

Compliance certificates
RoHS
Certification
A-tick, C-tick, CE, GOST, NEMKO

Packaging content

Cables included
USB cable
Quick installation guide
Yes

Sustainability

Sustainability certificates
ENERGY STAR, Green Premium

Customer Reviews

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