Most inverters in the Rs. 150,000 bracket are compromises. The Sako Sunon Pro 5.5KW is something narrower and more interesting: a machine built to do one job unusually well, at the cost of not doing another job at all.
The job it does well is running loads without a grid connection, without a battery, or without either. Its surge rating is roughly double its continuous rating, which means it starts motors that trip inverters costing more. Its 100A MPPT controller is oversized for the array it supports, which means it recovers a battery bank fast.
The job it does not do is feed power back to the grid. Despite being sold across Pakistan as a “hybrid,” this is fundamentally an off-grid inverter. If net metering is your goal, this is the wrong purchase and you should stop reading here.
For everyone else, particularly anyone with a pump, a farm, or a grid connection they have stopped counting on, this is one of the better-value machines in the market.
For today’s rate, WhatsApp 03192070022.
Sako Sunon Pro 5.5KW Price in Pakistan
The Sako Sunon Pro 5.5KW currently sells in Pakistan for roughly Rs. 140,000 to Rs. 160,000.
| Source Type | Observed Price (PKR) |
|---|---|
| Older listings and clearance stock | 140,000 – 145,000 |
| Standard retail listings | 145,000 – 149,500 |
| Dealer counter with warranty support | 149,500 – 160,000 |
The reference point most dealers work from is Rs. 149,500, updated through the first half of 2026. Prices move with the dollar and with stock arrival, so anything printed is a snapshot.
At this price it sits meaningfully below the Sunpolo 6KW at around Rs. 207,000, which is the grid-feeding model in Sako’s range. It also sits above the Crown Yorker 5kW at Rs. 98,000 to Rs. 125,000, which is the closest budget alternative on capacity. That comparison is worth understanding properly, and we come back to it below.
Full Specifications
| Specification | Detail |
|---|---|
| Rated power | 5500VA / 5500W |
| Surge power | 11000VA |
| Type | High-frequency off-grid with hybrid source management |
| Protection rating | IP21, indoor installation |
| Battery voltage | 48VDC (24V variant exists) |
| Output waveform | Pure sine wave |
| AC output voltage | 230VAC ±5% |
| AC output current | 23.9A |
| Frequency | 50Hz / 60Hz, auto sensing |
| Peak efficiency | Above 90% |
| MPPT controller | 100A, built in |
| MPPT voltage range | 120–450VDC |
| Maximum PV array power | 6000W |
| Maximum PV open circuit voltage | 450V |
| AC charge current | 60A / 100A selectable |
| DC input | 48VDC, 127A |
| Input voltage range | 170–280VAC (UPS), 90–280VAC (appliances) |
| Transfer time | 10ms UPS, 20ms appliances |
| No-load current | 1.1A |
| Low battery alarm | 44.0VDC |
| Low battery cut-off | 42.0VDC |
| Battery recovery | 46.0VDC |
| Float charge | 54VDC |
| Overcharge protection | 64VDC |
| Parallel operation | Up to 9 units with optional kit |
| Display | LCD with touch buttons |
| Communication | USB, RS485 |
| Wi-Fi monitoring | Optional |
| Operating temperature | –10°C to +50°C |
| Dimensions | 492 × 300 × 130 mm |
| Net weight | 10.5kg |
The Three Specifications That Matter
11000VA surge, double the continuous rating
This is the headline number and most buyers overlook it.
A 5.5kW inverter that surges to 11kVA will start motors that a nominally similar unit cannot. A 1HP water pump draws around 750W running but pulls close to 2,500W at startup. A 2HP pump can spike past 5,000W. Deep freezers, older non-inverter air conditioners and workshop machinery all behave the same way.
Many inverters in this class offer a surge rating around 1.5 times continuous, and several list a surge figure without stating how long it is sustained. Two seconds and five seconds are entirely different when a compressor is trying to start.
If your load includes anything with a motor, this specification is worth more to you than a slightly better efficiency figure.
100A MPPT charge controller
At 48V, a 100A controller can push roughly 4,800W into the battery bank. Against a maximum PV array of 6000W, that is generously sized.
Practically, it means fast recharge. On a clear morning the bank refills quickly rather than trickling through to afternoon, which matters when you have a limited solar window before the evening load starts.
The 120–450VDC MPPT window gives reasonable flexibility in string design, and Sako’s own suggested configuration is nine 330Wp panels in series at 36V, roughly 2,970Wp, run as two parallel strings.
Watch the 450V ceiling carefully. Open circuit voltage rises on cold clear mornings, and a string sized for a hot afternoon can exceed the limit at 7am in January in Islamabad or Quetta. Any competent installer runs this calculation, but ask to see it.
Battery-independent operation
The Sunon Pro powers loads directly from solar with no battery connected.
That sounds like a technicality until you are a farmer running an irrigation pump during daylight hours with no interest in buying a battery bank you would use to run nothing at night. Or a workshop operating 9am to 6pm. Or a shop that only needs cooling while it is open.
Removing the battery from the system removes the largest, most expensive and shortest-lived component. For daytime-only loads, that is a substantial saving and one very few inverters at this price properly support.
If you do want storage, the unit runs LiFePO4, GEL and lead-acid, with defined protection thresholds at 42V cut-off and 64V overcharge. Battery pricing moves almost weekly, so WhatsApp us now for the latest price of the battery at 03192070022.
The Grid Feed-In Question
Sako markets this as a hybrid inverter, and in the sense that it manages three power sources, solar, battery and utility, it is one.
What it does not do is export to the grid. There is no net metering with a Sunon Pro. It will charge from utility at 60A or 100A, it will switch to grid when solar and battery run short, and it will transfer in 10ms so your equipment never notices. But surplus solar does not spin your meter backwards.
If you want to sell power back, you need the Sunpolo line, which starts around Rs. 207,000 for the 6KW. That is a Rs. 60,000 difference and it buys a fundamentally different capability. Our Sako inverter price in Pakistan guide covers the full range and where each series fits.
This distinction gets blurred by sellers, deliberately or otherwise. Confirm it in writing before you buy if net metering is part of your plan.
What the Sunon Pro 5.5KW Actually Runs
| Load | Approximate Draw |
|---|---|
| 1.5-ton inverter AC | 1,200 – 1,500W |
| Refrigerator | 200 – 350W |
| Deep freezer | 200 – 300W |
| 10 ceiling fans | 500 – 700W |
| LED lighting | 150 – 250W |
| 1HP water pump | 750W running, 2,500W surge |
| 2HP water pump | 1,500W running, 5,000W+ surge |
| Workshop machinery | 1,000 – 3,000W |
One 1.5-ton inverter AC plus fridge, freezer, fans and lighting sits around 2.6kW to 3.1kW, leaving real headroom. Adding a 1HP pump is comfortable. The 11000VA surge means the pump start does not trouble it.
Two air conditioners is the limit. Two 1.5-ton inverter units plus household load approaches 4.5kW, and adding a pump start on top is asking a lot. If two ACs are the plan, look at 6kW instead. Our 6kW solar inverter price in Pakistan guide covers that class.
With around 6kW of panels, expect roughly 24 to 30 units on a clear day in Punjab or Sindh, dropping to 12 to 18 in December fog, averaging 600 to 780 units monthly across the year.
The IP21 Constraint
This is an indoor unit. Protection against solid objects over 12mm and vertically dripping water, nothing more.
Not a covered veranda. Not a rooftop enclosure with a tin sheet. Not a pump house that opens to a field in interior Sindh during dust season. Dust settling in the heat sink is the leading cause of inverter death in Pakistan, and IP21 offers no defence.
The temperature ceiling of +50°C is the other half. That is ambient at the unit, not outdoor shade temperature. A closed pump house in Bahawalpur in June clears that easily, and inverters derate when hot, which means your 5.5kW unit quietly delivers 4kW on precisely the afternoons you need all of it.
There is an irony worth naming here. The Sunon Pro’s best use case is agricultural and off-grid, and those are exactly the environments where IP21 is hardest to satisfy. If your installation is a farm or a remote site, budget for a proper enclosure with ventilation, or consider a sealed unit instead. Our Crown Nexus 6KW price in Pakistan breakdown explains what IP66 costs and buys.
Sunon Pro 5.5KW Against the Alternatives
| Model | Price (PKR) | Grid Export | Notes |
|---|---|---|---|
| Crown Yorker 5kW | 98,000 – 125,000 | No | Cheaper, lower surge, dual output |
| Sako Sunon Pro 3.5KW | 126,500 – 140,000 | No | Smaller sibling, same architecture |
| Sako Sunon Pro 5.5KW | 140,000 – 160,000 | No | 11000VA surge, 100A MPPT, battery-free |
| Sako Sunon 6.2kW | 189,750 – 205,000 | No | More capacity, pure off-grid |
| Sako Sunpolo 6KW | 207,000 – 225,000 | Yes | Net metering, dual MPPT, smart BMS |
Against the Crown Yorker 5kW, you pay roughly Rs. 30,000 to Rs. 50,000 more. The Yorker gives you dual output for load prioritisation, which the Sunon Pro does not offer in this configuration, and it is lighter on the wallet. The Sunon Pro gives you a substantially higher surge rating, a larger MPPT controller and proper battery-free operation.
The split is clean. Domestic load with an AC and no motors, and you want backup runtime managed intelligently: Yorker. Pumps, motors, workshop equipment, or daytime-only operation without a battery: Sunon Pro. Our Crown Yorker 5KW price guide covers that unit in detail.
Against the Sunpolo 6KW, the Sunon Pro is Rs. 60,000 cheaper and does not export to the grid. If your grid is unreliable enough that net metering is theoretical anyway, save the money.
Who Should Buy It
Farms and irrigation. The surge rating and battery-free operation are built for exactly this.
Anyone with no usable grid connection. Interior Sindh, southern Punjab, rural Balochistan.
Daytime-only commercial loads. Workshops, shops, small production units that operate on daylight hours and do not need overnight storage.
Households with motor loads. Water pumps, older non-inverter appliances, anything with a hard start.
Buyers who want off-grid capability at a mid price. Very little else at Rs. 149,500 does this properly.
Who Should Skip It
Anyone who wants net metering. This unit does not export. Buy a Sunpolo or a grid-tied hybrid instead. Our hybrid inverter price in Pakistan guide covers those across every capacity.
Anyone mounting outdoors without an enclosure. IP21 is not negotiable.
Homes running two or more air conditioners. Move up in capacity.
Buyers who need dual output load prioritisation. Look at the Crown range or the Sunpolo.
Anyone far from a service centre who cannot tolerate downtime. Sako’s Pakistani distribution is thinner than Crown or Inverex. Ask specifically where a repair would be carried out before committing, and weigh a brand with deeper coverage if the answer is unconvincing. Details on how we vet brands are on our About Us page.
Installation Notes
Mount indoors with airflow. Not a sealed pump house, not a cupboard. If the only available space is a rural outbuilding, fit ventilation before you fit the inverter.
Leave clearance around the heat sink, typically 30cm above and below.
Verify your string calculation against the 450V ceiling. Cold-morning open circuit voltage is what catches people out.
Use correct-gauge DC cable. At 48V and 127A input, cable sizing is not a place to economise. Undersized cable causes voltage drop, heat and eventual failure, and it is the most common installation fault we see.
Fit surge protection on DC and AC sides, and install a proper earth rod. Grid spikes destroy more inverters in Pakistan than component failure does, and surge damage voids every warranty in the market.
Set the input voltage range correctly. UPS mode at 170–280VAC protects sensitive equipment; appliance mode at 90–280VAC tolerates the wide voltage swings common on rural feeders. Choose based on what you are running.
Budget Rs. 12,000 to Rs. 25,000 for professional installation. For context on what a complete system costs beyond the inverter, see our solar inverter price in Pakistan overview.
Delivery Across Pakistan
We supply the Sako Sunon Pro 5.5KW to Karachi, Lahore, Islamabad, Rawalpindi, Faisalabad, Multan, Peshawar, Quetta, Hyderabad, Gujranwala, Sialkot, Sukkur, Bahawalpur and Sargodha. ISO certified with manufacturer warranty. Cash on delivery in most cities, with major-city delivery in two to four working days.
Our current stock with full specifications is on the products page.
Roughly Rs. 140,000 to Rs. 160,000, with Rs. 149,500 the most commonly quoted figure. WhatsApp 03192070022 for a live rate.
Yes, and this is one of its main strengths. It powers loads directly from solar with no battery connected.
No. It manages solar, battery and utility but does not export to the grid. For net metering you need the Sako Sunpolo line.
Up to 6000W of PV, typically 10 to 11 panels of 550W to 620W. Keep string open circuit voltage below 450V.
The 11000VA surge rating handles 1HP and most 2HP single-phase pumps. Confirm your specific pump’s starting current with your installer.
No. IP21 means indoors, in a dry ventilated space.
48VDC on the mainstream model. A 24V variant exists, so confirm which you are being quoted, since the two are not interchangeable.
Yes, up to nine units with the optional parallel kit.
The Yorker is cheaper and offers dual output. The Sunon Pro has a much higher surge rating, a larger MPPT controller and genuine battery-free operation. Pick based on whether you have motor loads.
Battery rates change too frequently to publish. WhatsApp us now for the latest price of the battery at 03192070022.
Order the Sako Sunon Pro 5.5KW
Tell us what you are running, whether you have a usable grid connection, and where the unit will be mounted. If you need net metering, we will tell you to buy something else. If you have a pump and no grid, this is probably the machine.
WhatsApp 03192070022 for today’s rate, or reach the team through our contact page.
Prices reflect market rates as of August 2026 and vary between dealers and batches. Confirm current pricing before ordering.