Santak Robust R650 650VA Offline UPS with 360W Output
BDT 4,500
Quantity
Power cuts and voltage swings can shut down a PC or router without warning. The Santak Robust R650 650VA offline UPS keeps your essential devices running through short outages, so you can save your work and shut down properly.
This compact Santak UPS delivers 650VA/360W of capacity and accepts mains input from 140 to 300 VAC. That wide range suits places where the supply is unstable. It is a practical choice for a home office, a small workspace, or a desktop and router setup.
Key Features
650VA/360W capacity: Enough output for a typical desktop PC setup or networking gear, so a short outage doesn’t interrupt your work.
Wide 140-300 VAC input range: The UPS tolerates large mains fluctuations, which helps in areas with unstable supply.
Generator-compatible input: The input frequency is listed as generator-compliant, so the UPS can work alongside backup generator power.
15-minute backup time: Gives you time to save files and power down your equipment safely.
4-8 ms typical transfer time: The UPS switches to battery quickly when mains power drops.
Sealed VRLA battery: A 7Ah valve-regulated lead-acid battery with no routine maintenance, recharging to 90% in 2-4 hours.
Quiet operation below 40 dB: Suitable for desks, bedrooms, and offices where fan noise would be distracting.
Compact 100 x 278 x 143 mm body at 4.4 kg: Fits under a desk or on a shelf without taking much space.
Why Choose the Santak Robust R650 650VA Offline UPS
If your main concern is protecting everyday electronics from sudden blackouts, the Robust R650 covers the basics without unnecessary complexity. As an offline (standby) design, it passes clean mains power through to your devices and moves to battery only when needed.
Santak is a well-known name in power backup. A Santak UPS like this one gives you a recognised brand, a 2-year manufacturer warranty, and a size that is easy to place. The 140-300 VAC input window also means fewer unnecessary battery switchovers during voltage dips, which is useful when mains quality is inconsistent.
Best Use Cases
Home office: Keep a desktop PC and monitor running long enough to save work.
Internet backup: Keep a router or modem online through brief outages.
Small shops and offices: Protect light-load equipment within the 360W limit.
Students and remote workers: Avoid losing assignments or dropping a video call during a short power cut.
Technical Specifications
Specification | Details |
|---|---|
Model | Robust R650 |
UPS design | Offline (standby) |
Rated capacity | 650VA / 360W |
Accepted mains input | 140-300 VAC |
Input frequency | Above 40 Hz (generator-compatible) |
Nominal output voltage | 230 VAC |
Output voltage tolerance | ±10% |
Output waveform on mains | Pure sine wave |
Output waveform on battery | Simulated sine wave |
Frequency on battery | 50 Hz ±1 Hz |
Switchover time | Typically 4-8 ms |
Battery | 1 × 7Ah sealed VRLA |
Recharge time | 2-4 hours to reach 90% capacity |
Backup time | 15 minutes |
Operating noise | Below 40 dB |
Dimensions | 100 x 278 x 143 mm |
Weight | 4.4 kg |
Manufacturer warranty | 2 years (subject to warranty conditions) |
Frequently asked questions
What is the Santak Robust R650 UPS?
It is a 650VA/360W offline UPS that supplies battery power to connected devices during an outage. It is designed for PCs, routers, and other light-load equipment.
How long does the Santak R650 give backup power?
The listed backup time is 15 minutes. Actual runtime depends on the load, so a lighter load will generally last longer than a heavier one.
What devices can I connect to a 650VA/360W UPS?
It suits desktop PCs, monitors, routers, and similar small electronics. Keep the total connected load within the 360W rating.
Can this UPS be used with a generator?
Yes, the input frequency is listed as generator-compatible, and the UPS accepts a wide 140-300 VAC input range.
