EVI 1600VA Line-Interactive UPS
EVI 1600VA Line-Interactive UPS is priced at Kes 13,000 here at Novelty Tech Solution in Nairobi, Kenya
Key Specifications & Features
| Parameter | Specification / Details |
|---|---|
| Capacity | 1600 VA (volt-amps) / 900 W (watts) output power. |
| Type / Topology | Line-Interactive UPS. |
| Voltage Regulation | Built-in Automatic Voltage Regulation (AVR) with Boost & Buck functions to correct for under-voltage (brownouts) & over-voltage without going immediately to battery. |
| Outlets | 4 Universal AC outlets. (Some listings show 2 UK + 2 IEC etc.) |
| Display / Monitoring | LCD display that shows input voltage, output voltage, load level, battery level etc. Also monitoring & control software included |
| Battery Management | Intelligent Battery Management with float charging to extend battery life. Includes cold-start (can start from battery without mains). |
| Runtime (Backup Time) | Depends on connected load. Some listings estimate 10-18 minutes at moderate loads. Full load will give less time. |
| Recharge Time | ~ 6-8 hours to full (or near full) charge from depletion. |
| Weight & Size | Product weight ~ 11 kg. Dimensions in some ads ~ 28 × 10 × 14 cm. |
| Warranty | Often listed as 1 year or 2 years warranty (unit); battery warranty sometimes different. |
Advantages / Good Points
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The 1600VA / 900W rating gives fairly good headroom, so you can run more devices (e.g. a desktop PC + monitor + network gear) compared to smaller UPS units.
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AVR is very helpful in areas with unstable mains voltage: it helps protect equipment and reduces battery usage by correcting minor voltage dips/spikes without switching to battery entirely.
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LCD + software monitoring is helpful: you can see how much load you’re using, what the battery level is, whether mains voltage is safe etc.
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Cold-start ensures that when mains power is totally out, you can power up from battery (useful in blackouts).
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Universal outlets mean more flexibility in plugging different devices without needing many adapters.
Limitations / Things to Watch Out For
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Even though 900W is the maximum, actual backup runtime drops quickly as you approach full load. If you run many high-power devices, you might only get a few minutes.
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Lead-acid batteries degrade over time, so actual capacity will drop; maintain battery & consider replacing after a few years if runtime drops significantly.
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Most line-interactive UPS units use “simulated sine wave” output rather than pure sine wave — some sensitive equipment or power supplies may perform worse or generate more heat/noise under simulated wave. (Listings don’t always specify pure vs simulated.)
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Recharge time is long (~6-8 hours), so after a full discharge you’ll need to wait many hours for full charge.
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Size & weight: At ~11 kg, it’s heavy and somewhat bulky; needs decent physical space and good ventilation.
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Warranty on battery may be shorter; check how the seller handles battery issues.
What to Confirm Before Buying / Using
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Actual battery Ah rating (Ampere-hour) of the internal battery(s), so you can calculate more precise runtimes.
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Waveform type (pure sine vs simulated) especially if using sensitive electronics.
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Outlet types in your region (universal, UK, IEC etc.) to be sure your plugs match.
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Power factor of your devices (some devices draw more than indicated), to ensure the 1600VA / 900W rating is sufficient.
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After-sales support for battery replacement & service.
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