Sumec Firman

Sumec Firman ECO7990ES 5kVA Petrol Generator (Key Start)

Name: Sumec Firman ECO7990ES 5kVA Petrol Generator (Key Start)
Brand: Sumec Firman
SKU: GH-00248
Price: 651500 NGN
Availability: InStock

5 kVA4 kWPetrolKey startPortable12-month warranty

A 5kVA petrol portable generator with electric and recoil start, built for homes and small businesses needing reliable backup during NEPA/PHCN outages.

₦651,500

Pay with USDT/USDC and save 10%: ≈ ₦586,350

In stock — ready to shipSKU GH-00248

Delivery toYour state

1–2 working days · we call before the driver sets out

Ask on WhatsApp

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 ECO7990ES is a portable petrol generator rated at 5kVA with both electric and recoil starting options. It is designed to supply stable single-phase power for household and small commercial loads.

Its air-cooled, 4-stroke single-cylinder engine and a copper-wound alternator give dependable performance for lighting, fans, TVs, fridges/freezers and small workshop equipment. The unit includes a fuel tank, handles and wheels to ease movement.

Key features

Rated 5kVA output suitable for home and small business backup
Electric key start plus recoil backup for easy starting
Copper-enamelled alternator for reliable voltage delivery
Large fuel tank for extended run between refills
Portable design with handle and wheels for site or home use

What can it power?

Typical load estimate for 4 kW rated output, keeping a 20% safety margin (≈ 3,333 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	40+
TV (32–43")	70 W	40+
Decoder / DStv	25 W	40+
Laptops	65 W	40+
Fridge	150 W (×3 at start)	Up to 20
Chest freezer	200 W (×3 at start)	Up to 14
Air conditioner 1 HP	900 W (×3 at start)	Up to 1
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)	Up to 2
Microwave	1,000 W	Up to 3
Electric iron	1,000 W	Up to 3
Hair dryer (hood)	1,200 W	Up to 2

A typical mix it can run together: 8 × LED bulbs, 3 × Ceiling fans, TV, Decoder, Fridge, Chest freezer, Pumping machine.

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	ECO7990ES
Rated power	5 kVA / 4 kW
Fuel	Petrol
Starting	Key start
Type	Portable
Warranty	12 months
SKU	GH-00248
Phase	Single Phase
Engine	SFE390E 4-stroke Single Cylinder OHV
Weight	96 KG
Features	Handle and Wheels
Fuel Type	Petrol
Dimensions	756 x 553 x 590 mm
AC Frequency	50 Hz
Engine Power	Max 13.0 HP
Oil Capacity	28.5 L
Running Watts	4200 W
Starting Watts	5000 W
Alternator Type	Brush, Self Exciting, Synchronous, 2-Pole, 100% Copper Enamelled Wire
Starting System	Recoil/Electric
Fuel Tank Capacity	28.5 L
Voltage Regulation	220 V

What's in the box

Sumec Firman ECO7990ES generator
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: ≈ ₦586,350.

WELCOME5 −5%

On your first order. Stacks with the crypto discount.

Questions about this generator

What can the ECO7990ES power?

At 4 kW rated output, with a 20% safety margin, it can typically run: 8 × LED bulbs, 3 × Ceiling fans, TV, Decoder, Fridge, Chest freezer, Pumping machine 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.