Sumec Firman

Sumec Firman RD7910EX 5kVA Petrol Generator (Key Start)

Name: Sumec Firman RD7910EX 5kVA Petrol Generator (Key Start)
Brand: Sumec Firman
SKU: SP-00249
Price: 636000 NGN
Availability: InStock

5 kVA4 kWPetrolKey startPortable12-month warranty

A 5kVA petrol portable generator with electric and recoil start, built for steady backup power during NEPA/PHCN outages and site work.

₦636,000

Pay with USDT/USDC and save 10%: ≈ ₦572,400

In stock — ready to shipSKU SP-00249

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 RD7910EX is a 5kVA petrol portable generator designed for reliable backup and worksite use. It combines electric key start with recoil backup and a robust open-frame build to withstand regular handling and transport.

With a single-phase alternator wound with copper enamelled wire and an SFE390E engine, this unit delivers continuous power for household appliances, shop equipment, lights, fans, pumps and small tools. A 25L fuel tank gives extended run time at partial load.

Key features

Rated Power: 5kVA for steady single-phase output
Dual start: Electric key start with recoil backup
Long run time: About 10 hours at 50% load on a 25L tank
Durable construction: Open-frame with reinforced frame and upgraded control panel
Noise: 73dB measured at 7m
Alternator: Brush, self-exciting synchronous type with copper enamelled winding

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	RD7910EX
Rated power	5 kVA / 4 kW
Fuel	Petrol
Starting	Key start
Type	Portable
Warranty	12 months
SKU	SP-00249
Frame	Open Frame
Phase	Single
Run Time	10Hrs @50% Load (appr.)
Fuel Type	Petrol
Engine Type	SFE390E
Noise Level	73db @7m
Gross Weight	98.3kg
Oil Capacity	1.1L
Packing Size	810560575
Starting Watts	5.5kW
Alternator Type	Brush Self Exciting Synchronous, 2-Pole, Copper Enamelled Wire
Starting System	Recoil/Electric
Fuel Tank Capacity	25L

What's in the box

Generator 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: ≈ ₦572,400.

WELCOME5 −5%

On your first order. Stacks with the crypto discount.

Questions about this generator

What can the RD7910EX 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.