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APC Back-UPS BK500EI 500VA/300W Tower UPS — 4x C13

BK500EI | APC Back-UPS 500VA/300W Standby UPS protects critical networking equipment and office systems from power surges, spikes, and blackouts. Features 6 total outlets (3 battery backup, 3 surge-only), user-replaceable battery, and provides 24+ minutes runtime at 100W for graceful shutdowns.

APC
BK500EI
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Original price was: $219.00.Current price is: $182.00. inc GST.  

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BUZY NetworksBUZY's take on this product:

The APC Back-UPS BK500EI delivers reliable standby power protection for your critical networking equipment and office systems. This 500VA/300W tower UPS safeguards your UniFi controllers, switches, and other essential devices from dangerous power surges, spikes, and blackouts, ensuring your network stays operational when the power grid doesn’t. With an impressive 24 minutes and 20 seconds of runtime at 100W, you’ll have ample time to gracefully shut down equipment or ride out brief outages without disruption.

  • 6 total power outlets – 3 UPS battery backup outlets and 3 surge-only outlets for flexible device protection
  • User-replaceable lead-acid battery – extend the life of your investment without replacing the entire unit
  • RJ45 data line protection – safeguards phone, fax, modem, or DSL connections from electrical damage
  • Compact tower design – 16.5 x 9.1 x 28.4 cm footprint fits easily in equipment racks or under desks
  • Complete accessory package – includes IEC power cords, USB cable, management software, and telephone cable

This standby UPS is ideal for protecting small UniFi deployments, home labs, or remote office installations where reliable power conditioning is essential. The 230V input/output configuration with IEC C13 outlets provides universal compatibility with networking equipment, while the included USB connectivity enables automated shutdown scripts and power monitoring through compatible management software. Whether you’re safeguarding a Dream Machine, protecting PoE switches from power fluctuations, or ensuring your NAS and storage devices stay online during outages, the BK500EI delivers enterprise-grade power protection at an accessible price point.

Product Description

APC Back-UPS, 500VA/300W, Tower, 230V, 4x IEC C13 Outlets , User Replaceable Battery

This product is part of the Back-UPS range. The BK550EI features a total of 6 power outlets, 3 of which are UPS battery backup and 3 that are surge only. Its runtime at 100W is 24 minutes 20 seconds It provides data line protection with a RJ45 analog phone line for phone or fax or modem or DSL. Its dimensions are 16.5 x 9.1 x 28.4 cm and 6.32kg. The BK550EI ensures office systems and their valuable data are protected from dangerous power surges, spikes and blackouts.
Main Input Voltage 230 V
Main Output Voltage 230 V
Rated power in W 300 W
Rated power in VA 500 VA
Input Connection Type IEC 60320 C14
Output connection type- 3 IEC 60320 C13, 1 IEC 60320 C13 surge, 2 IEC Jumpers surge
Number of cables 2
Battery type Lead-acid battery
Provided equipment- CD with software, Documentation CD, 1 x detachable IEC power cord, 1 x detachable 1.2 m IEC power cord, Telephone cable, USB cable, Warranty card
Network frequency- 47…63 Hz, 50/60 Hz +/- 3 Hz auto-sensing
Input voltage limits- 160…300 V adjustable, 180…266 V
Maximum input current 7 A
Switching current capacity 7 A
Maximum configurable power in W 300 W
Output frequency- 47…63 Hz sync to mains, 50/60 Hz +/- 1 Hz unsynchronised
UPS type Standby
Wave type Stepped approximation to a sinewave
Maximum configurable power in VA 500 VA
Transfer time- 6 ms typical : 10 ms maximum
Ambient air temperature for operation 0…40 °C
Relative humidity 0…95 %
Operating altitude 0…10000 ft
Ambient air temperature for storage -15…45 °C
Storage Relative Humidity 0…95 %
Storage altitude 0.00…15240.00 m
Acoustic level 40 dBA
Heat dissipation 24 Btu/h

Mounting mode- Not rack mountable
Replacement Battery – RBC2

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