APC BK500EI Back-UPS CS 500VA 300W Tower Standby UPS
Overview
The APC BK500EI Back-UPS CS is an essential uninterruptible power supply (UPS) designed to safeguard critical home office and small business equipment from power interruptions and damaging surges. Providing 500VA (300W) of reliable battery backup, this standby UPS ensures continuous operation of computers, network devices, and other sensitive electronics during blackouts, while also protecting against voltage fluctuations and spikes. It’s engineered for ease of use and integrates seamlessly into desktop environments.
This unit incorporates advanced power management features, including automatic voltage regulation (AVR) to stabilize incoming power, preventing potential damage to connected devices without relying on battery power. With its comprehensive surge protection for both power and data lines, the BK500EI extends the lifespan of valuable hardware by isolating it from harmful electrical disturbances, making it a robust solution for maintaining productivity and data integrity.
Ideal for deployment at individual workstations, network closets, or point-of-sale systems, the APC Back-UPS CS features a compact tower form factor for flexible placement. Management is simplified through USB connectivity and audible alarms, providing clear status updates on power conditions and battery health. Its user-replaceable battery design ensures long-term usability and straightforward maintenance for IT managers.
Key Features
- Provides 500VA/300W battery backup for essential electronics.
- Integrated surge protection safeguards power and data lines.
- Automatic Voltage Regulation (AVR) preserves battery life.
- USB and RS232 ports offer flexible management options.
- User-replaceable battery simplifies maintenance and extends lifespan.


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