SunWell Solar Inverter

A solar inverter is the control center of any solar system. It converts the DC electricity from panels and batteries into AC power that runs appliances and feeds the grid, and it manages how solar, storage, and loads work together. Without an inverter, the DC output of a panel or battery cannot run standard equipment, so every other component in the setup depends on it. Beyond basic conversion, the inverter decides when to pull from solar, when to charge or discharge the battery, and when to use or export grid power. A well-designed unit keeps voltage and frequency stable, protects connected loads, and reports system health to your monitoring app, which is what turns a pile of hardware into a working power plant.

Selection Guide

SunWell's inverter range covers two topologies across five models — hybrid and off-grid — and the best fit depends on what you run, whether you need storage, and how the site connects to the grid.

Hybrid inverters are the most common choice for homes and small businesses because they combine MPPT solar charging, battery management, and grid-tie or off-grid AC output in a single unit. The hybrid models run from 1.5 kW to 12 kW at 12 V, 24 V, or 48 V, with MPPT input up to 500 V and pure sine wave output at IP21. They let one device handle solar, storage, and backup without separate charge controllers, and they can export to the grid or switch to battery mode the moment the mains drops.

Off-grid inverters are standalone units built for sites with no grid connection or a supply too weak to trust. They run AC loads straight from the battery bank and solar charge controller, with no grid-tie or export function. Built around a power-frequency transformer, they deliver the high surge current that starts pumps, air conditioners, compressors and power tools, and they provide galvanic isolation for safety. They are heavier and less compact than hybrid units, but they start motor loads reliably, making them the pick for off-grid cabins, farms, remote telecom and workshop sites where the grid is absent or poor.

Decision guide: need one device for solar plus storage plus grid backup or export? Choose hybrid. Running a site with no grid, or facing motor loads and poor supply quality? Choose off-grid. Before you order, check the pure sine wave output, the surge rating for motor starting, and the available communication ports (RS232, RS485, USB, CAN) for monitoring and BMS links, and confirm the unit's IP21 indoor rating suits your install location.

Frequently Asked Questions

What does a solar inverter actually do?

An inverter is the bridge between your solar hardware and your appliances. It runs the switching, charging, and safety logic that lets panels and batteries power normal equipment, and it keeps the output stable enough for sensitive electronics. In short, it is the component that turns a collection of solar parts into a working power source.

How do I match inverter power to my loads?

Size the inverter to the highest simultaneous wattage of the loads you plan to run, not just your array size. A 5 kW unit covers most homes; 6.5–12 kW handles multiple air conditioners or pumps. Check the surge rating too, because motors can draw several times their running wattage for a few seconds.

Can a hybrid inverter work without solar panels?

Yes. Most hybrid inverters can charge the battery from the grid or a generator and supply backup power with no solar array connected. This helps where panels are not yet installed or not permitted. You lose the cost savings of solar self-consumption, but backup and load shifting still work.

Do these inverters produce clean power for sensitive electronics?

Yes. Every model in the range outputs pure sine wave, which is safe for computers, medical devices, and LED drivers. Pure sine wave also reduces audible hum and motor heating compared with modified sine wave output, protecting long-term equipment health in your home or business.