Description
The APC Back-UPS Pro BX850M-TW stands as a cornerstone for power reliability in modern home and office environments. Part of the acclaimed Back-UPS Pro series, this 850VA/510W unit utilizes line-interactive technology to correct voltage fluctuations without depleting the battery. Its compact tower design houses a sophisticated LCD interface, providing real-time status updates on power conditions and battery health, making it an essential safeguard for high-end computing and networking hardware.
This product is for:
- Remote Professionals: Ensures continuous connectivity for laptops, monitors, and routers during brief outages to prevent workflow interruptions.
- Hardcore Gamers: Protects high-performance PCs and consoles like the PS5 or Xbox from sudden power loss and hardware-damaging surges.
- Home Lab & NAS Users: Provides the necessary runtime for Network Attached Storage devices to execute safe shutdown scripts via USB communication.
- Small Business Operators: Safeguards Point-of-Sale (POS) systems and essential networking gear to maintain business continuity.
- Audiophiles and Home Theater Owners: Filters electromagnetic and radio frequency interference (EMI/RFI) to maintain signal purity for AV equipment.
Detailed specifications:
- Power Capacity: 850VA / 510 Watts
- Input/Output Voltage: 120V AC, 60Hz
- Topology: Line-Interactive with Stepped Approximation to a Sinewave
- Total Outlets: 8 NEMA 5-15R (4 Battery Backup & Surge, 4 Surge Protection Only)
- Surge Energy Rating: 1103 Joules
- Automatic Voltage Regulation (AVR): Boost and Trim functionality
- Data Line Protection: Coaxial cable for CATV/SATV/modem/audio-video
- Dimensions: 19 x 9.1 x 31 cm (7.48 x 3.58 x 12.2 inches)
- Weight: 6.8 kg (14.99 lbs)
Operating the BX850M-TW is intuitive thanks to the front-facing LCD panel, which eliminates guesswork by displaying load wattage, battery charge percentage, and estimated runtime. In a typical 100W load scenario, the unit provides approximately 29 minutes of backup power. The audible alarms are distinct, signaling battery transitions or overload conditions, while the 45 dBA noise level ensures it remains unobtrusive in quiet office settings. The 1.83-meter power cord offers flexibility in placement, and the unit’s BSMI certification guarantees compliance with rigorous safety standards.
Unlike basic standby UPS models, the BX850M-TW features Automatic Voltage Regulation (AVR), which instantly adjusts high and low voltages to safe levels, extending battery life by reducing the frequency of battery discharge. Compared to standard surge protectors, this unit provides 1103 Joules of protection alongside a dedicated battery reservoir, ensuring that data in volatile memory is not lost during a total blackout. Its 8ms transfer time is significantly faster than entry-level alternatives, preventing sensitive electronics from rebooting during the switch to battery power.
Q&A:
- How much runtime can I expect for a standard desktop PC? For a load of approximately 100W, the BX850M-TW provides about 29 minutes of runtime; at a full 510W load, it offers nearly 2 minutes for emergency shutdown.
- What is the purpose of the "Surge Only" outlets? These four outlets protect non-critical peripherals like printers or scanners from spikes without draining the battery during a power outage.
- Can the battery be replaced when it reaches the end of its life? Yes, the unit is compatible with the APCRBC17 replacement battery, typically requiring replacement every 3 to 5 years depending on usage.
- Does this unit protect my internet connection? Yes, it includes coaxial data line protection to safeguard cable modems and routers from surges traveling through communication lines.
- Is the UPS compatible with automatic shutdown software? Yes, the included USB cable allows for communication with computers to enable automatic, unattended system shutdowns during extended outages.
