Scanfrost
Scanfrost SFG2900ER2 2.5kVA Petrol Generator (Remote Start)
2.5 kVAPetrolRemote start
₦384,000≈ ₦345,600 with crypto
Sumec Firman
Sumec Firman ECO3990ES 2.5kVA Petrol Generator (Key Start)
2.5 kVA2 kWPetrolKey startPortable12-month warranty
Compact portable petrol generator for homes and small businesses that need reliable backup during NEPA/PHCN outages. Suited for running essential appliances and light shop or office loads.
₦388,000
Pay with USDT/USDC and save 10%: ≈ ₦349,200
In stock — ready to shipSKU GH-00209
Delivery to
1–2 working days · we call before the driver sets out
- 12-month warrantyRepair or replacement, plus service and genuine parts.
- Brand-new, original boxStarted and tested with you on delivery.
- First order? WELCOME5 −5%Stacks with the 10% crypto discount.
Overview
The Sumec Firman ECO3990ES is a portable petrol generator delivering a rated power of 2.5kVA with a surge (starting) capability noted up to 2.8kVA. It is built around a 4‑stroke, 196cc single‑cylinder OHV engine and includes an AVR for voltage regulation.
With a 15L fuel tank and multi‑hour run times, this unit is designed to keep lights, fans, a fridge, TV, small POS or office equipment running through frequent grid interruptions. The model includes a handle and wheels for easier movement on site or around the compound.
Key features
- Rated Power: 2.5kVA, Surge/Starting up to 2.8kVA
- 196cc 4‑stroke single‑cylinder OHV engine with transistorised magneto ignition
- 15L fuel tank for long run time — up to 10h at 75% load and about 13h at 50% load
- Built‑in AVR for steadier voltage under changing loads
- Recoil (and reported key/electric) start options and portable with handle and wheels
- IP23 protection and brush, self‑exciting synchronous alternator with copper winding
What can it power?
Typical load estimate for 2 kW rated output, keeping a 20% safety margin (≈ 1,667 W usable). Motors (fridges, ACs, pumps) need extra power for a few seconds at start-up — that is already counted.
| Appliance | Typical watts | This generator |
|---|---|---|
| LED bulbs | 10 W | 40+ |
| Ceiling fans | 75 W | Up to 21 |
| TV (32–43") | 70 W | Up to 23 |
| Decoder / DStv | 25 W | 40+ |
| Laptops | 65 W | Up to 25 |
| Fridge | 150 W (×3 at start) | Up to 9 |
| Chest freezer | 200 W (×3 at start) | Up to 6 |
| Air conditioner 1 HP | 900 W (×3 at start) | Too big for this unit |
| Air conditioner 1.5 HP | 1,300 W (×3 at start) | Too big for this unit |
| Air conditioner 2 HP | 1,800 W (×3 at start) | Too big for this unit |
| Pumping machine 1 HP | 750 W (×3 at start) | Too big for this unit |
| Microwave | 1,000 W | Up to 1 |
| Electric iron | 1,000 W | Up to 1 |
| Hair dryer (hood) | 1,200 W | Up to 1 |
A typical mix it can run together: 8 × LED bulbs, 3 × Ceiling fans, TV, Decoder, Fridge, Chest freezer.
Typical load estimate only — real consumption depends on your appliances. Numbers in the table are “one type at a time”. Check your exact list with the power calculator or send it to us on WhatsApp.
Specifications
| Brand | Sumec Firman |
|---|---|
| Model | ECO3990ES |
| Rated power | 2.5 kVA / 2 kW |
| Fuel | Petrol |
| Starting | Key start |
| Type | Portable |
| Warranty | 12 months |
| SKU | GH-00209 |
| Frequency | 50 Hz |
| Fuel Type | Petrol |
| Dry Weight | 51 kg |
| Engine Type | 4‑stroke Single Cylinder OHV, Air Cooled |
| Surge Power | 2.8 kVA |
| Oil Capacity | 0.6 L |
| Alternator Type | Brush, Self Exciting, Synchronous, 2‑pole |
| Ignition System | Transistorised Magneto |
| Protection Type | IP23 |
| Starting System | Recoil |
| Rated AC Current | 11.4 A |
| Rated AC Voltage | 220 V Single Voltage |
| Sound Power Level | 93 dB(A) |
| Fuel Tank Capacity | 15 L |
| Run Time @50% Load | 13 h |
| Run Time @75% Load | 10 h |
| Voltage Regulation | AVR |
| Engine Displacement | 196 cc |
| Dimensions (L x W x H) | 597 x 465 x 487 mm |
What's in the box
- Main unit
- User manual
Delivery & installation
We confirm your order
A Steady Power agent calls or WhatsApps you to confirm the model, address and delivery day.
Delivery to your door
Lagos 1–2 working days, Abuja & Port Harcourt 2–4, other states 3–7. Large sets come by truck with offloading.
Unboxing & test run
We unbox with you, add oil and fuel and start the generator so you see it working before you sign.
Installation & ATS on request
Our engineers can install it and fit an automatic changeover (ATS). The price is agreed before any work.
Warranty & service
12 months cover
From the delivery date, against manufacturing defects in the engine, alternator, AVR, control panel and starter.
How to claim
Send your order number and a short video on WhatsApp. We diagnose, then repair or replace — and keep you updated.
Service & parts
Oil changes, servicing and genuine spare parts in Lagos, Abuja and Port Harcourt, during and after the warranty.
Not covered: wear parts (plugs, filters, oil), wrong fuel, running without oil, overloading, water or physical damage. Full warranty terms
Payment options
Bank transfer
Order online, see our company account on your order page, transfer from your bank app and tap “I've paid”.
USDT / USDC — 10% off
Pay on a secure crypto payment page and save 10%. Price with crypto: ≈ ₦349,200.
WELCOME5 −5%
On your first order. Stacks with the crypto discount.
Questions about this generator
What can the ECO3990ES power?
At 2 kW rated output, with a 20% safety margin, it can typically run: 8 × LED bulbs, 3 × Ceiling fans, TV, Decoder, Fridge, Chest freezer at the same time. This is an estimate — send us your list on WhatsApp or use the power calculator to check your exact load.
Does it run on petrol?
Yes — regular PMS (petrol) from any filling station. Always use clean fuel and fresh engine oil; we explain the oil type and running-in on delivery.
How do I start it?
With the key — electric start, no pull cord. The starter battery should be charged; the generator keeps it topped up while running.
Is it loud?
Open-frame portable generators are noticeably louder than soundproof sets. Place it outdoors, at least 5 metres from doors and windows, never inside the house or a closed garage.
Is it brand-new and genuine?
Yes. Every Sumec Firman unit we sell is new, in the original manufacturer's box, with its manual and accessories.
What does the warranty cover?
12 months from delivery against manufacturing defects — engine, alternator, AVR, control panel and starter. We repair or replace. See Warranty & service.
How fast can you deliver?
Usually 1–2 working days in Lagos and 2–4 working days to Abuja and Port Harcourt; other states on request. We call or WhatsApp you before the driver sets out.
Can I pay with crypto?
Yes — in USDT or USDC, and you save 10%. Choose “Crypto” at checkout and pay on a secure crypto payment page. Bank transfer is the other option.
Where do I service it?
Talk to us on WhatsApp — we arrange servicing and genuine spare parts in Lagos, Abuja and Port Harcourt, during and after the warranty.
Customer reviews
No reviews for this model yet
Bought it from Steady Power? Share your experience — reviews are published only from real, delivered orders.
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₦388,000Sumec Firman ECO3990ES 2.5kVA Petrol…