Description
The Cigma UK 2.5KVA Gasoline Silent Inverter Generator (Model: KM2500I-K5) is a highly compact, premium portable power solution. Positioned as the smaller, more lightweight sibling to the 4KVA model, this 2.5KVA unit is specifically engineered for tailgating, RV camping, off-grid cabins, light construction tasks, and residential backup for critical home electronics.
The key features and specifications for this model include:
Premium Inverter Technology
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Pure Sine Wave Output: It produces clean, stable single-phase power with an ultra-low total harmonic distortion (THD). This grid-quality electrical wave is completely safe for sensitive microchip-controlled devices like laptops, tablets, gaming consoles, and smartphones.
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Dual USB Charging Ports: The front control interface features integrated 5V DC USB ports, allowing you to plug mobile devices directly into the generator without needing standard 3-pin wall adapter plugs.
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Smart Throttle (Eco-Mode): Equipped with an automatic fuel-saving economy switch. When turned on, the system dynamically adjusts the engine speed to match the exact electrical load required. If you are only charging a phone, the engine drops to an idle, significantly extending fuel runtime and reducing noise.
Ultra-Silent & Portable Design
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Fully Enclosed Soundproof Canopy: Enclosed in a rugged, acoustic-insulated composite shell that deadens mechanical noise and engine vibration. It operates at an incredibly quiet level (around 58 to 63 dB at 7 meters), which is quieter than a normal conversation.
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Highly Lightweight & Mobile: Weighing significantly less than traditional open-frame generators, it is built with an ergonomic molded top handle, making it easy to carry with one hand and fit into a car trunk or utility locker.
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Dependable Manual Pull Start: Utilizes a reliable manual recoil starter. The high-compression engine is optimized to spark easily on the first or second pull, eliminating the worry of maintaining an internal starter battery.
Performance & Engine Capabilities
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Efficient 4-Stroke OHV Engine: Powered by a fuel-efficient, air-cooled 4-stroke overhead valve engine that runs on standard unleaded petrol. Because it is a 4-stroke engine, there is no need to pre-mix oil and gas.
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2.5 KVA Surge Power: Delivers a maximum peak output of 2.5 KVA (approx. 2.2 kW) to handle initial startup surges from motorized appliances, with a steady, continuous running output of 1.8 kW to 2.0 kW.
Technical Specifications Summary
| Parameter | Specification |
| Brand / Model | Cigma UK (KM2500I-K5) |
| Generator Type | Digital Inverter / Super Silent |
| Engine Type | 4-Stroke, OHV, Single-Cylinder (Air-Cooled) |
| Peak Power Output | 2.5 KVA / 2.2 kW |
| Rated Power Output | 1.8 kW – 2.0 kW (Continuous) |
| Starting System | Manual Recoil Pull Start |
| Output Voltage | 230V AC Single-Phase / 50Hz |
| Control Panel Outlets | 230V AC Sockets, Dual USB Ports, 12V DC Port |
| Fuel Type | Regular Unleaded Gasoline |
| Average Noise Rating | ~58 – 63 dB @ 7m |
Built-in Safety Safeguards
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Low-Oil Alert & Automatic Shutdown: Features an internal oil sensor that instantly cuts engine ignition if the oil drops below safe operating levels, protecting the engine from terminal damage.
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Electronic Overload Protection: Uses an integrated circuit breaker system. If the connected appliances draw more power than the generator can handle, the overload light turns on and power delivery is safely cut to protect the internal inverter module.
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3-LED Status Panel: Features simple indicator lights for Output (Green), Overload (Red), and Low Oil (Yellow) for quick, at-a-glance diagnostic checks.





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