APC Back-UPS 500 BK500EI 500VA/300W Tower UPS 4x IEC C13 (Boxed)
APC Back-UPS 500VA/300W tower UPS with 4x IEC C13 outlets, user-replaceable VRLA battery, standby topology, 3.8 min full-load backup, surge & DSL/modem protection.
Please Note
The website is currently being actively developed, you are welcome to place the order and in 99% of the cases your order will be processed as usual, but in some cases there may be a delay or the price may change. We will notify you if there are any issues.
Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| UPS & Power Backup - Product Type | UPS Unit |
|---|---|
| UPS & Power Backup - Power Capacity (VA) | 500 - 999 VA |
| UPS & Power Backup - Power Output (Watts) | Under 500 W |
| UPS & Power Backup - Topology | Standby (Offline) |
| UPS & Power Backup - Form Factor | Tower / Desktop |
| UPS & Power Backup - Input Plug | IEC C14 |
| UPS & Power Backup - Output Receptacles | IEC C13 |
| UPS & Power Backup - Outlets (Qty) | 4 |
| UPS & Power Backup - Special Features | Automatic Voltage Regulation Hot Swappable Battery |
The APC Back-UPS BK500EI is a professional-grade 500VA/300W uninterruptible power supply designed to protect computers, office equipment, and home electronics from power outages, surges, and spikes. This tower-format UPS features four IEC C13 outlets with battery backup capability, plus integrated surge protection for telephone, fax, and modem lines (DSL compatible). The standby (offline) topology provides automatic transfer to battery power within 6-10 milliseconds during mains failure, ensuring seamless protection for your critical systems.
Equipped with a user-replaceable sealed lead-acid (VRLA) battery, the BK500EI delivers approximately 13.9 minutes of runtime at half load or 3.8 minutes at full load. The unit includes intelligent battery management with periodic self-testing, audible alarms for low battery and overload conditions, and an LED status display for quick power status verification. Comprehensive software management via USB connectivity (PowerChute Personal Edition) enables safe system shutdown and sophisticated power monitoring. The beige tower design fits seamlessly into office and home environments.
Key Features:
- 500VA/300W capacity with stepped approximation sinewave output
- 4x IEC C13 outlets (1 surge-protected, 3 battery-backed)
- Standby topology with 6-10ms transfer time
- User-replaceable VRLA battery (12V, 7Ah)
- Input voltage range: 160-300V (adjustable)
- DSL/modem/fax line protection included
- USB and optional RS232 connectivity
- Operating temperature: 0-40°C; Storage: -15-45°C
- Certifications: CE, C-Tick, VDE, GOST, RoHS, REACH
| UPS Topology | Standby (Offline) |
| Power Capacity (VA) | 500 VA |
| Power Output (W) | 300 W |
| Output Waveform | Stepped approximation to sinewave |
| Nominal Input Voltage | 230 V |
| Nominal Output Voltage | 230 V |
| Input Voltage Range (Operation) | 180 - 266 V |
| Input Voltage Range (Adjustable) | 160 - 300 V |
| Input Frequency | 47 - 63 Hz (50/60 Hz +/- 3 Hz auto-sensing) |
| Output Frequency (Sync to Mains) | 47 - 63 Hz (50/60 Hz +/- 1 Hz) |
| Transfer Time | 6 ms typical, 10 ms maximum |
| Maximum Input Current | 7.0 A |
| Battery Type | Maintenance-free sealed Lead-Acid (VRLA), leakproof |
| Battery Voltage | 12 V |
| Battery Capacity | 7 Ah (83 VAh) |
| Battery Life (Maximum) | 6 years |
| Battery Recharge Time | 8 hours |
| Runtime at Full Load | 3.8 minutes |
| Runtime at Half Load | 13.9 minutes |
| Maximum Runtime | 45 minutes |
| Input Plug Type | IEC 320 C14 |
| Output Outlet Type | IEC 320 C13 |
| Number of Outlets | 4 (1x surge-protected, 3x battery-backed) |
| Number of IEC Jumpers | 2 (surge-protected) |
| Surge Protection Features | DSL, Fax, Modem, Telephone line protection |
| Power Protection Features | Overload protection, surge protection, spike suppression |
| Audible Alarm Modes | Low battery alarm, Overload alarm |
| LED Indicators | Battery replacement indicator, Power status indicators |
| Form Factor | Tower |
| Color | Beige |
| Width | 91 mm |
| Height | 165 mm |
| Depth | 284 mm |
| Weight (Unit Only) | 6.32 kg |
| Operating Temperature | 0 - 40 °C |
| Storage Temperature | -15 - 45 °C |
| Operating Relative Humidity | 0 - 95% |
| Storage Relative Humidity | 0 - 95% |
| Operating Altitude | 0 - 3000 m |
| Non-Operating Altitude | 0 - 15000 m |
| Included Cables | 1.2 m IEC power cord (detachable), USB cable, Telephone cable (RJ-11) |
| Included Software | PowerChute Personal Edition, Documentation CD |
| Connectivity | USB port for management and software control |
| Certifications | CE, C-Tick, VDE, GOST, RoHS, REACH, EN/IEC 62040-1:2019/A11:2021, EN/IEC 62040-2:2006/AC:2006, EN/IEC 62040-2:2018 |
| Sustainability Certifications | ENERGY STAR, Green Premium |
| Warranty (Parts) | 3 years |
| Warranty (Labor) | 3 years |
| Packaging Dimensions (Width) | 241 mm |
| Packaging Dimensions (Height) | 178 mm |
| Packaging Dimensions (Depth) | 368 mm |
| Packaging Weight | 7.05 kg |