RS VQD Series Hybrid Solar Inverter 3600W-11000W

· Output power factor PF=1.0

· Automatic lithium battery restart function for more convenient charging

· Supports CT backflow protection, automatically detects grid status, and ensures no power flows back into the grid

· Optional touchscreen panel

· Adjustable charging voltage to accommodate different battery charging requirements

· Allows for grid-connected solar power generation, saving on electricity costs

· Communication: External Wi-Fi for real-time data monitoring

· Supports lithium battery BMS functionality

Use Your Own Solar, Keep the Utility Happy, and Never Sit in the Dark

Here's the reality for a lot of homeowners with solar panels: you spent good money on that array, and for hours every day it's generating more power than you can use. Without a hybrid inverter, that surplus either gets exported to the grid for a pittance—assuming your utility even allows it—or it goes to waste. The RS VQD solves that by letting you run your house from your own solar during the day, store the excess in batteries, and keep your essential circuits online when the grid fails. And it does something that separates it from a lot of hybrid inverters on the market: it ensures no power ever flows back into the utility line unless you want it to.

CT Backflow Protection: Export When You Choose, Not by Accident

The VQD comes with CT backflow protection. A current transformer clamps onto your mains feed, and the inverter constantly monitors the flow. If it detects that power is about to push backward into the grid, it throttles the output instantly. This isn't a software guess—it's a real-time, hardware-level safety that keeps you compliant with utility rules without having to sign an export agreement or swap out your meter. You get all the benefit of solar self-consumption, none of the regulatory headaches. For households where net metering isn't available or where the feed-in tariff is so low it's not worth the paperwork, zero-export is a feature, not a limitation.

Real Power, No Paper Specs

Output power factor is 1.0. A 11kW unit delivers a full 11 kilowatts of real power. That matches modern appliances and electronics without leaving capacity on the table. You're not derating because of a legacy 0.8 or 0.9 power factor—you're using every watt you paid for.

Lithium Battery Auto-Restart: No Manual Wake-Up Calls

Lithium batteries have a lot of advantages, but they come with their own quirk: after a deep discharge, the battery management system (BMS) often shuts the pack down completely to protect the cells. Waking it up again usually requires a special charger, a button press, or a technician visit. The VQD handles this automatically. It communicates with the lithium BMS out of the box and can trigger a restart sequence when grid power returns or solar production resumes. No manual reset, no service call, no coming home to a dark house with a perfectly good solar array on the roof.

Charge Voltage That Matches Your Battery Bank

Not every battery wants the same voltage. Through the LCD menu, you can adjust the charging voltage to suit flooded lead-acid, sealed AGM, gel, or lithium iron phosphate (LiFePO4). If your battery manufacturer specifies a particular absorption or float voltage, you dial it in. The inverter adapts to the chemistry, not the other way around.

Touchscreen Option for a Cleaner Interface

The standard interface is a clear LCD that gives you the essential data: PV production, load draw, battery state, grid status. But if you want something that feels a bit more modern, there's an optional touchscreen panel. It's larger, full-colour, and makes navigating settings and viewing energy flows a lot more intuitive. Not essential, but worth considering if the inverter is going in a visible spot like a utility room or a hallway.

Wi-Fi Monitoring Without the Cable Clutter

An external Wi-Fi module comes included, and once it's connected, you can monitor everything from your phone: how much solar you're producing, how much your house is consuming, battery state of charge, and whether the grid is present. The app gives you a clear dashboard that makes it easy to see your energy flows in real time. For someone who wants to keep tabs on their system without walking to the garage or scrolling through a tiny screen, this is the feature that makes daily use genuinely easier.

The Hybrid Promise: Grid-Tied Savings, Off-Grid Backup

During normal operation, the VQD runs in grid-connected mode. Solar power runs your loads, and any surplus charges the battery. When the battery is full, CT backflow protection ensures nothing pushes back to the grid. You're offsetting your consumption, lowering your utility bill, and building up a reserve. When the grid fails—storm, blackout, rolling outage—the inverter switches to backup mode. It isolates from the grid, draws from the battery and solar, and keeps your designated essential circuits running. The transition is seamless; computers and routers don't reboot.

Where the RS VQD Fits

This is a hybrid inverter for homeowners who have solar panels (or are about to install them) and want to squeeze maximum value from their system:

`Houses with time-of-use billing where self-consumption during peak hours saves real money

`Homes in areas with frequent blackouts where a battery-backed essential circuit is non-negotiable

`Properties where exporting to the grid isn't allowed or isn't worth the tariff

`Families who want phone visibility into their energy production and consumption

`Anyone pairing lithium batteries with solar who doesn't want to deal with manual restart after a deep discharge

The RS VQD Series Hybrid Solar Inverter won't solve every energy problem, but it solves the big ones: it lets you use your own power on your own terms, keeps the utility interface clean, wakes up lithium batteries without drama, and gives you backup when the grid goes down. For a modern home solar setup, that's the core job description.