APC Back-UPS BK500EI 500VA 300W Tower with 4 AC Outlets Surge Protection USB Replaceable Battery
£161.87
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About this item
- 300 W output power capacity supporting 0.5 kVA total load requirements
- Four AC outlets with surge protection covering DSL Fax and telephone lines
- User replaceable sealed lead acid battery offering 13.8 minutes backup at half load
- USB port connectivity bundled with PowerChute Serial Edition management software
- Tower form factor design meeting ENERGY STAR and RoHS compliance standards
- Standby offline UPS topology providing sine waveform power during blackouts
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APC Back-UPS BK500EI – Reliable Tower Power Protection
We recommend the APC Back-UPS BK500EI 500VA 300W Tower with 4 AC Outlets Surge Protection USB Replaceable Battery for small offices. It provides basic surge and battery backup. This unit safeguards connected devices during short outages. It also filters harmful voltage spikes effectively.
Detailed look at the APC Back-UPS BK500EI 500VA 300W Tower with 4 AC Outlets Surge Protection USB Replaceable Battery
This model focuses on essential protection. We keep it simple for daily use.
Core technical metrics
| Metric | Specification |
|---|---|
| Output Power | 300 W |
| Output Capacity | 0.5 kVA |
| Surge Energy Rating | 310 J |
| Battery Type | Sealed Lead Acid |
| Noise Level | 40 dB |
Shielding against voltage spikes
Surge energy reaches 310 joules. This guards your equipment against sudden spikes. It protects telephone and modem lines too. You stay safe during electrical storms.
Maintaining uptime during short cuts
Battery backup keeps you working. You gain up to 14 minutes at half load. Critical systems stay online briefly. You save work before shutting down.
Connecting your essential peripherals
Four AC outlets offer flexible power. Two are for battery backup. Two handle surge protection only. USB connectivity aids software monitoring.
Quiet and efficient operation
The fan stays very quiet. Noise sits around 40 decibels. Efficiency reaches 99 percent. This reduces energy waste during normal use.
What comes in the package
We include a USB cable. A phone cable is also present. You receive a software CD. PowerChute Serial Edition is bundled.
Confirm compatibility before buying
Confirm your devices need 300 watts or less. Check you have enough space for a tower unit. Verify your outlet type matches IEC C13. Ensure your area has good ventilation.
Frequently Asked Questions
Q: Can I replace the battery myself?
A: Yes, the battery is user replaceable. It lasts up to six years.
Q: Does this protect phone lines?
A: Yes, it offers surge protection for telephone, fax, and modem lines.
Q: How many outlets does it have?
A: It has four AC outlets. Two provide backup, two offer surge only.
Q: What happens when the battery is low?
A: An audible alarm sounds. The LED indicator also alerts you.
Final thoughts on this model
The APC Back-UPS BK500EI 500VA 300W Tower with 4 AC Outlets Surge Protection USB Replaceable Battery remains a solid choice. It suits small offices needing basic power stability. It balances cost with essential protection features.
| Power | |
|---|---|
| Output frequency regulation | 47 - 63 Hz |
| Output power | 300 W |
| Input operation voltage (min) | 160 V |
| Input operation voltage (max) | 300 V |
| Surge energy rating | 310 J |
| Efficiency | 99% |
| Output power capacity | 0.5 kVA |
| Ports & interfaces | |
| Cable length | 1.83 m |
| USB port | Yes |
| SmartSlot | No |
| AC outlets quantity | 4 AC outlets |
| AC outlet types | C13 coupler |
| Power plug | C14 coupler |
| Number of output IEC jumpers | 2 |
| SmartConnect port | No |
| Performance | |
| Hold time (min) | 6 ms |
| Hold time (max) | 10 ms |
| Audible alarm modes | Low battery alarm, Overload alarm |
| UPS topology | Standby (Offline) |
| Waveform | Sine |
| LED indicators | Battery replacement |
| Surge protection | Yes |
| Surge protection features | Digital Subscriber Line (DSL), Fax, Modem, Telephone |
| Power protection features | Overload |
| Noise level | 40 dB |
| Audible alarms | Yes |
| Features | |
| Hold time (min) | 6 ms |
| Hold time (max) | 10 ms |
| Audible alarm modes | Low battery alarm, Overload alarm |
| UPS topology | Standby (Offline) |
| Waveform | Sine |
| Output frequency regulation | 47 - 63 Hz |
| Output power | 300 W |
| Input operation voltage (min) | 160 V |
| Input operation voltage (max) | 300 V |
| Surge energy rating | 310 J |
| Efficiency | 99% |
| Surge protection | Yes |
| Surge protection features | Digital Subscriber Line (DSL), Fax, Modem, Telephone |
| Power protection features | Overload |
| Noise level | 40 dB |
| Audible alarms | Yes |
| Output power capacity | 0.5 kVA |
| Input frequency | 50/60 Hz |
| Battery | |
| Battery life (max) | 6 years |
| Battery capacity | 83 VAh | 7 Ah |
| Battery voltage | 12 V |
| Battery technology | Sealed Lead Acid (VRLA) |
| Battery recharge time | 8 h |
| Typical backup time at half load | 13.8 min |
| Typical backup time at full load | 3.8 min |
| Automatic battery test | Yes |
| Design | |
| Form factor | Tower |
| LED indicators | Battery replacement |
| Product colour | Beige |
| Certification | C-tick, CE, EN 50091-1, EN 50091-2, GOST, VDE, REACH |
| Cable length | 1.83 m |
| Operational conditions | |
| 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 |
| Technical details | |
| Sustainability certificates | ENERGY STAR, Green Premium |
| Harmonized System (HS) code | 85078000 |
| Compliance certificates | RoHS |
| Packaging data | |
| Packaging content | Detachable 1.2m IEC power cord Detachable 1.8 m IEC power cord |
| Quick installation guide | Yes |
| Cables included | Phone (RJ-11), USB cable |
| Warranty card | Yes |
| Software CD | Yes |
| Package width | 241 mm |
| Package depth | 368 mm |
| Package height | 178 mm |
| Bundled software | PowerChute Serial Edition |
| Package weight | 7.05 kg |
| Management card included | No |
| Certificates | |
| Certification | C-tick, CE, EN 50091-1, EN 50091-2, GOST, VDE, REACH |
| Compliance certificates | RoHS |
| Packaging content | |
| Quick installation guide | Yes |
| Cables included | Phone (RJ-11), USB cable |
| Management card included | No |
| Warranty card | Yes |
| Software CD | Yes |
| Packaging content | Detachable 1.2m IEC power cord Detachable 1.8 m IEC power cord |
| Bundled software | PowerChute Serial Edition |
| Sustainability | |
| Sustainability certificates | ENERGY STAR, Green Premium |
| Weight & dimensions | |
| Package width | 241 mm |
| Package depth | 368 mm |
| Package height | 178 mm |
| Weight | 6.32 kg |
| Width | 91 mm |
| Package weight | 7.05 kg |
| Height | 165 mm |
| Depth | 284 mm |
| Logistics data | |
| Products per master (outer) case | 1 pc |
| Products per pallet | 48 pcs |
| Harmonized System (HS) code | 85078000 |
| Other features | |
| Packaging content | Detachable 1.2m IEC power cord Detachable 1.8 m IEC power cord |
| Filtering | Yes |
| Nominal output voltage | 230 V |
| Nominal input voltage | 230 V |
| Identifiers | |
| Additional EANs | 0731303016350 |
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