Inverters
Inverters
SAKO SUNON 4.2kW Off-Grid lnverter
₨ 155,250PKR · price may vary
BrandSAKO- Model
- SAKO-03
- Specifications
- 19
- Charge Voltage31.5 VDC
- Voltage range170-280 VAC (For Personal Computers) ; 90-280 VAC (For Home Appliances)
- Battery Voltage24 VDC
- Efficiency90% ~ 93%
- Transfer Time15 ms (For Personal Computers) ; 20 ms (For Home Appliances)
- View all 19 specifications ↓
Specifications
| POWER | |
|---|---|
| Charge Voltage | 31.5 VDC |
| Summary | |
| Voltage range | 170-280 VAC (For Personal Computers) ; 90-280 VAC (For Home Appliances) |
| HARDWARE FEATURES | |
| Battery Voltage | 24 VDC |
| Efficiency | 90% ~ 93% |
| Output | |
| Transfer Time | 15 ms (For Personal Computers) ; 20 ms (For Home Appliances) |
| TECHNICAL SPECIFICATION | |
| MPPT Range | 60 ~ 450 VDC |
| Rated Power | 4200VA/4000W |
| Surge Power | 8400VA |
| General Specification | |
| AC Voltage | 230 VAC ± 5% |
| Charger Type | MPPT |
| Frequency Range | 50 Hz/60 Hz (Auto sensing) |
| Maximum PV Array Open Circuit Voltage | 500 VDC |
| Maximum PV Array Power | 5000W |
| Net Weight | 13.0 kgs |
| Operating Temperature | -10°C to 50°C |
| Overcharge Protection | 33 VDC |
| Voltage | 230 VAC |
| Waveform | Pure sine wave |
| Dimension | 481 x 300 x 130 |
Reading the specifications
SAKO SUNON 4.2kW Off-Grid lnverter is listed with 19 published specifications from SAKO, including charge voltage of 31.5 VDC, voltage range of 170-280 VAC (For Personal Computers) ; 90-280 VAC (For Home Appliances), battery voltage of 24 VDC and efficiency of 90% ~ 93%. Those figures are what decide whether this unit fits your system, so read them against the equipment it will connect to before comparing price.
For an inverter, the figures that matter most are continuous AC output in kW, which caps the load you can run at once, surge or peak rating, which covers the brief inrush of motors and compressors, maximum PV input and the number of MPPT trackers, which set how many panel strings you can connect and the MPPT voltage window, which decides how many panels go in a string. It is the component that decides what a solar system can do: how much power you can draw at once, whether you can export to the grid, whether the system keeps running in a blackout, and how well the panels and battery are managed day to day.
An inverter converts the direct current (DC) produced by solar panels and stored in batteries into the alternating current (AC) that household appliances, pumps and the utility grid actually use.
Before you buy an inverter
The checks below apply to any inverter. Run them against the specification table above — most disappointing solar purchases are compatible-on-paper units that fail one of these in practice.
- Look at the warranty term and what it covers. Five years is the common baseline, ten is offered by stronger brands, and extensions are often cheaper bought with the unit than later.
- Size the inverter against the loads you need to run simultaneously, not against the total wattage of every appliance in the building — a 5 kW inverter comfortably runs a fridge, fans, lights and a couple of ACs, but not all of them plus a water pump starting at the same time.
- Keep the panel array between roughly 1.0 and 1.3 times the inverter's rating. Slight oversizing (a higher DC-to-AC ratio) captures more energy on cloudy mornings and winter days; going far beyond it wastes generation through clipping.
- Check the surge rating if you run motors — deep-well pumps, compressors and older air conditioners can draw two to three times their running current for a few seconds at start-up.
Common mistakes
- Buying on peak-watt price alone. A cheap inverter with a narrow MPPT window forces awkward string layouts and can strand a portion of the array.
- Ignoring the ambient temperature rating. Inverters derate in heat, so a unit rated 5 kW at 25 °C may deliver noticeably less on a hot roof-adjacent wall at 45 °C.
- Assuming any grid-tie inverter keeps the lights on during an outage. Standard on-grid units shut down for safety unless they have a dedicated backup or islanding output.
Price and availability in Pakistan
SAKO SUNON 4.2kW Off-Grid lnverter is listed at ₨ 155,250 (PKR) for Pakistan. Solar pricing moves with supply, import duties and exchange rates, and distributors set their own margins, so treat this as a comparison reference and confirm the current figure before you order.
SolarBazaar compares equipment rather than selling it. Shortlist here on specification and price, then buy from an authorised distributor or installer in Pakistan: warranty cover on solar hardware is normally honoured through the channel you bought from, so confirm who supports SAKO locally before ordering.
SAKO SUNON 4.2kW Off-Grid lnverter — frequently asked questions
How much does SAKO SUNON 4.2kW Off-Grid lnverter cost?
SAKO SUNON 4.2kW Off-Grid lnverter is listed at ₨ 155,250 (PKR) for Pakistan. The figure is indicative — solar prices move with supply, duties and exchange rates, and each distributor sets its own margin — so confirm the current price with a supplier before ordering.
What are the specifications of SAKO SUNON 4.2kW Off-Grid lnverter?
We hold 19 published specifications for this inverter, including charge voltage 31.5 VDC, voltage range 170-280 VAC (For Personal Computers) ; 90-280 VAC (For Home Appliances), battery voltage 24 VDC, efficiency 90% ~ 93% and transfer time 15 ms (For Personal Computers) ; 20 ms (For Home Appliances). The full table is on this page, listed under model SAKO-03.
Who makes SAKO SUNON 4.2kW Off-Grid lnverter?
SAKO SUNON 4.2kW Off-Grid lnverter is a SAKO product, listed under inverters with model reference SAKO-03. The SAKO brand page lists the rest of its range so you can compare across the catalogue.
Is SAKO SUNON 4.2kW Off-Grid lnverter right for my system?
That depends on what it has to connect to. For an inverter, check continuous AC output in kW, which caps the load you can run at once, surge or peak rating, which covers the brief inrush of motors and compressors and maximum PV input and the number of MPPT trackers, which set how many panel strings you can connect against the rest of your equipment before price enters the decision. Confirm the inverter is approved by your local utility or distribution network before you buy if you intend to export power — grid connection depends on certified anti-islanding and local grid-code compliance, not on the inverter's specifications alone.
Where can I buy SAKO SUNON 4.2kW Off-Grid lnverter in Pakistan?
SolarBazaar lists and compares equipment rather than selling it. Use the specifications and price here to shortlist, then buy through an authorised distributor or installer in Pakistan — buying in-channel is what keeps the manufacturer's warranty valid.
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