In an age of frequent power fluctuations and unexpected outages, securing your essential electronics is crucial for maintaining workflow and data safety. The APC Smart-UPS 750VA 230V (model SUA750I), from APC by Schneider Electric, is a line-interactive tower UPS that offers dependable backup and surge protection for lighter loads in 230V environments. This October 2025 blog explores its specifications, features, runtime, and user experiences to help you assess its value.
Key Specifications at a Glance
The SUA750I delivers 750VA/500W, perfect for desktops, modems, and small peripherals. Here’s a snapshot of its core specs:
| Category | Specification |
|---|---|
| Power Capacity | 750VA / 500W |
| Topology | Line Interactive |
| Input Voltage | 230V (range: 160-286V adjustable; configurable for 220/240V) |
| Output Voltage | 230V, Sine Wave |
| Outlets | 6x IEC C13 + 2x IEC Jumpers |
| Battery Type | Sealed Lead-Acid (24V, 7Ah; RBC48 replacement; 3-hour recharge; 3-5 year life) |
| Surge Protection | Up to 320 Joules |
| Dimensions (HxWxD) | 361 x 137 x 157 mm |
| Weight | 13.18 kg |
| Operating Temperature | 0-40°C |
| Warranty | 1 year repair or replace |
With CE and RoHS certifications, it’s built for safety and sustainability, featuring a compact design that fits seamlessly under desks.
Standout Features and Benefits
The SUA750I prioritizes simplicity and efficiency with features tailored for everyday protection.
- Automatic Voltage Regulation (AVR): Stabilizes input voltages from 160-286V, preventing brownouts or spikes without tapping the battery—key for regions with erratic grids.
- LED Status Indicators: Bar graphs for load and battery levels, plus alerts for online, battery mode, replace battery, and overload. Straightforward for quick checks.
- Connectivity: USB and DB-9 serial ports for PowerChute software integration, enabling automated shutdowns and logging; SmartSlot for optional cards.
- Pure Sine Wave Output: Ensures clean power for sensitive equipment like PFC PSUs, with intelligent battery management for optimal charging and alerts.
Benefits include hot-swappable batteries for easy maintenance and audible alarms for immediate awareness. At around 55 dBA under load, it’s relatively quiet, and its 50W charger keeps energy use low. Ideal for servers, POS systems, routers, and switches, it provides network-grade safeguarding without complexity.
Runtime Performance: How Long Will It Last?
The SUA750I’s battery offers short but sufficient backup for graceful shutdowns, scaling with load. Based on manufacturer data:
| Load (Watts) | Estimated Runtime |
|---|---|
| 250 (Half) | 16.4 minutes |
| 500 (Full) | 4.8 minutes |
| 180 (Light) | ~20 minutes |
Runtimes vary by battery age and temperature; self-tests help maintain performance. For ultra-light setups (e.g., a router at 50W), it can exceed 30 minutes.
Who Should Buy the APC SUA750I?
This UPS suits:
- Home Users: Protecting PCs, monitors, and Wi-Fi from brief blackouts.
- Small Offices: Backing entry-level networks and printers.
- Budget-Conscious IT: Affordable reliability for homelabs or secondary sites.
It’s not for high-demand applications—consider higher-capacity models for extended needs.
User Reviews: Pros, Cons, and Real-World Insights
The SUA750I garners strong feedback for its dependability, with a 5.0/5 rating from limited Amazon reviews praising seamless outage handling. Users in unstable power areas report it powering small servers and routers flawlessly during frequent cuts. A 2025 eBay aggregate shows 4.5/5 stars, with buyers noting easy battery swaps and solid AVR. One forum user fixed a beeping issue post-battery replacement, confirming its longevity.
Pros:
- Compact and user-friendly LEDs.
- Effective AVR for voltage swings.
- Value-driven performance.
Cons:
- Limited runtime at full load.
- No rack-mount or expandable batteries.
- Occasional post-replacement calibration needs.
Final Thoughts: Timeless Reliability in a Compact Package
The APC Smart-UPS 750VA 230V (SUA750I) remains a solid, no-nonsense choice for basic power protection, even as a legacy model—delivering sine wave output and smart management. For 2025’s remote and hybrid setups, it’s a budget hero against everyday disruptions. CONTACT US @ TIACO TECHNOLOGIES.
Survived a power dip with the SUA750I? Tell us in the comments!