Smart X High Frequency Online UPS ST 1KVA With Built-In Battery, 1KVA/0.9kW Output, 0ms Switching, 24VDC Dual Battery, Pure Sine Wave, ≥90% Efficiency, Overvoltage Protection
158 $
Categories: EZONE SOFTWARE UPDATED, High-Capacity UPS, UPS & Battery Backup
⚡ Expert Features — The Mini Power Guardian With Big-Brain Voltage Voodoo ⚡
- True Online Double-Conversion Wizardry – The SMART X ST Series is built for clean, stable, uninterrupted power, using high-frequency online architecture to keep your sensitive gear protected at all times.
- Rated 1KVA Of Ongoing Defense – With a solid 1kVA/0.9kW output, the ST 1KVA model shields small to medium equipment from voltage chaos, brownouts, and surprise blackouts.
- Zero-Millisecond Switching – Power cuts? Voltage dips? This unit switches between mains and battery with a flawless 0ms conversion time, so your equipment won’t even blink.
- Sine Wave Output – You get pure, stable AC sine-wave output—no noisy square waves, no weird harmonics—ideal for servers, cameras, POS systems, networking devices, and medical/industrial electronics.
- Smart Overload Intelligence – Multiple stages of overload warnings automatically reroute to bypass mode with precise timing (30 minutes, 10 minutes, 30 seconds, or 200 ms depending on load).
- AI-Like Power Efficiency – With ≥90% efficiency in normal mode, the UPS wastes less energy while delivering high stability.
- High Compatibility Input Range – Accepts 90–285Vac, perfect for areas with unstable grids, generators, or dynamic voltage environments.
- Built-In Battery Convenience – The ST 1KVA variation comes with a 24VDC internal battery system (2 batteries) so installation is simple, mobile, and clutter-free.
- Power Factor Of 0.9 – More real usable power for your devices—no hollow wattage games.
- Quiet, Cool, Reliable – Operates at ≤50 dB, supports 0–40°C, and runs in 20–95% humidity environments without drama.
- Compact And Deployable – Small footprint (280×144×230 mm) and only 7.8 kg, ideal for offices, shops, server corners, and mission-critical control rooms.


📊 Expert Specs — SMART X ST 1KVA
| Category | Specification |
|---|---|
| Model | ST 1KVA |
| Rated Power | 1kVA / 0.9kW |
| Classification | Lighting/Power, Standby Machine, Standby UPS, Sine Wave Output UPS |
| Protection | Overvoltage |
| Input Voltage Range | 90–285Vac (1P2W+G) |
| Input Frequency Range | 40–70Hz (Settable) |
| Input Power Factor | ≥0.99 |
| Output Voltage | 220Vac (1±2%) |
| Output Frequency | 46–54Hz (Sync), 50Hz Battery Mode |
| Rated Current | 4.5A |
| Output Power Factor | 0.9 |
| Output Harmonic Wave | ≤4% (Full Resistive Load) |
| Crest Factor | 3:1 |
| Conversion Time | 0ms |
| Overload Behavior | 100–150% staged warnings, bypass timing 30 min / 10 min / 30 sec / 200 ms |
| Efficiency | ≥90% (Normal Mode) |
| Battery Voltage | 24VDC |
| Battery Quantity | 2 (Built-in) |
| Charging Current | 1A |
| Dimensions | 280 × 144 × 230 mm |
| Weight | 7.8 kg |
| Operating Temperature | 0–40°C |
| Humidity Range | 20%–95% (Non-condensing) |
| Noise Level | ≤50 dB |
| Equipment Mode | Decentralized |
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