Transparent IT Expo - Portsmouth - Wednesday 13th March 2024
SKU: BK650EI Category:

APC Back-UPS uninterruptible power supply (UPS) Standby (Offline) 650 VA 400 W 4 AC outlet(s)

* Images are for illustrative purposes only.

£158.88 £132.40 Ex. VAT

Availability: 42 in stock

Finance/leasing available for orders over £1000 Inc VAT

Free mainland UK shipping on orders over £150 Ex VAT

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.

Feature Feature Value
UPS topology Standby (Offline)
Output power capacity 650 VA
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 Y
Surge protection features Digital Subscriber Line (DSL),Fax,Modem,Telephone
Audible alarm(s) Y
Audible alarm modes Low battery alarm,Overload alarm
AC outlet types C13 coupler
Power plug C14 coupler
AC outlets quantity 4 AC outlet(s)
Number of output IEC jumpers 2
USB port Y
Battery technology Sealed Lead Acid (VRLA)
Battery capacity 9 Ah
Battery capacity 95 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 Y
Form factor Tower
Product colour Beige
Cable length 2 m
LED indicators Y
Energy Star certified Y
RoHS compliance Y
Certification A-tick, C-tick, CE, GOST, NEMKO
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 – 3000 m
Non-operating altitude 0 – 15000 m
Width 91 mm
Depth 284 mm
Height 165 mm
Weight 6.03 kg
Cables included USB cable
Quick installation guide Y
Software CD Y
Bundled software PowerChute Personal Edition
Package width 185 mm
Package depth 415 mm
Package height 494 mm
Package weight 7.31 kg
Quantity per pallet 48 pc(s)
Quantity per master (outer) case 1 pc(s)
Nominal output voltage 230 V
Nominal input voltage 230 V
Filtering Y
Packaging content Detachable IEC C13 to IEC C14 power cords
UPS topology

Standby (Offline)

Maximum current

7 A



Surge protection


USB port


Form factor


Cable length

2 m

Energy Star certified



6.03 kg

Noise level

45 dB


91 mm



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