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Growatt NEO 800M-X – 800 W microinverter
Growatt NEO 800M-X is a single-phase photovoltaic microinverter with a power 800 W from the offer PVGroup.plIt is mounted directly next to the panels and converts direct current to 230V alternating current, which is then fed back to the home's electrical system. Thanks to two independent PV inputs, each panel operates at its optimal power point—shading one module doesn't drag down the entire system, as happens with a central inverter.
This datasheet provides a comprehensive overview of the microinverter's operating principle, typical applications, full specifications from the manufacturer's catalog, and selection guidelines. All parameters are taken from official documentation. Growatt — if you still have any questions after reading, we will help you choose the complete set free of charge: panels, microinverter and optional energy storage.
Expert opinion
Opinion of the technical team PVGroup.pl
"Growatt NEO We recommend the 800M-X for applications where a central inverter wouldn't make sense—on a balcony, garage, gazebo, or multi-slope roof. The microinverter's greatest advantage is its shade resistance and ease of expansion: simply add a panel with another microinverter, and you're done. When selecting, consider the modules' power and voltage range. MPPT. "
— Technical team PVGroup.pl
How Growatt NEO 800M-X
The microinverter works directly at the panels: direct current from the module goes to one of the two inputs, where the system MPPT continuously searches for the maximum power point, and then it is converted to 230 V alternating current and sent to the installation. Conversion efficiency reaches 97.3%, and tracking MPPT 99.5% - so conversion losses are small.
The key difference from a central inverter is that the panels don't operate in series in a single string. If one module is shaded by a chimney, tree, or neighboring building, the others continue to operate at full power. This translates into higher annual yields in challenging installation conditions.
Who is this microinverter for?
- Balcony and plug-in installations — complete with panels and energy storage (e.g. Growatt NOAH).
- Small installations in garages, gazebos, and sheds.
- Roofs with complex geometry — several areas, different angles and orientations.
- Installations exposed to shading — chimneys, trees, neighboring buildings.
- People planning to expand in stages — the installation grows panel by panel.
The most important features
- 2 independent trackers MPPT — panels can have different orientations
- High efficiency (97.3%) — low conversion losses
- IP67 housing — installation under panels, outside
- WiFi monitoring — preview of each panel's operation ShinePhone
- 12-year warranty — one of the longest in this class
- Simple expansion — more panels with their own microinverters
Auto-consumption and savings
Small installation with a microinverter Growatt NEO 800M-X produces energy exactly where it's used. The greatest benefit is when you use electricity on a regular basis—your refrigerator, router, computer, and household appliances during the day. If you use most of your energy in the evening, it's worth considering adding energy storage (e.g., Growatt NOAH), which will shift surpluses from the daytime to the evening hours. In both scenarios, self-consumption increases and bills decrease—without damaging the roof or requiring a large initial investment.
Installation and operation
Growatt NEO 800M-X It is mounted to the supporting structure directly beneath the panels and connected via DC connectors on the module side and via an AC cable on the installation side. Its IP67 enclosure and operating temperature range (-40°C to +65°C) allow for year-round operation in Polish climate conditions. The device is maintenance-free, and you can monitor its operation remotely via Wi-Fi in the app. ShinePhoneInstallation should be performed by a qualified installer in accordance with the manufacturer's instructions and local connection requirements.
Key specifications
| Growatt NEO 800M-X — specification | |
|---|---|
| Type | photovoltaic microinverter (1-phase) |
| AC output power | 800 W |
| PV inputs / MPPT | 2 |
| Voltage range MPPT | 28-60 VV |
| Max DC voltage | 60 V |
| Max input current / MPPT | 18 A |
| AC network | 230V (180-253V) / 50/60Hz, 1-phase |
| Maximum efficiency | 97.3% |
| Efficiency MPPT | 99.5% |
| Output current THD | <3%% |
| Communication | WiFi |
| Level of security | IP67K |
| Working temperature range | -40 ° C ... + 65 ° C |
| Dimensions | 270 x 252 x 41.5 (W/H/D) mm |
| Weight | 3.1 kg |
| Recommended PV module power | 320-540 Wp+ (recommended STC module power) |
| Warranty | European service warranty (12 years according to the manufacturer) |
Full parameters in the manufacturer's catalog card.
What makes the series stand out - Growatt NEO 800M-X
Door Line NEO these are microinverters Growatt For small installations: compact, resistant to outdoor conditions, with wireless monitoring and a long warranty. They work well both in ready-made balcony sets and when expanding existing installations with single panels in difficult locations.
What to pay attention to when choosing
The most important thing is to match the power of the modules to the microinverter - the manufacturer recommends modules in the range of 320-540 Wp+ (recommended STC module power), and check whether the operating voltage of the panels is within the range MPPT (28-60 VV). Too much module power won't increase the yield beyond the device's output, while too little won't utilize its capabilities. It's also worth considering in advance whether the installation will later be expanded with an energy storage system. Send us the parameters of your panels—we'll confirm the selection before purchase (info@pvgroup.pl).
Shading and energy yield
Shading is the most common reason why actual system output deviates from design calculations. In a series system with a central inverter, a dimmed panel limits the operation of the entire chain—a chimney, tree, or neighboring building can noticeably reduce yield during certain hours of the day.
With microinverters, each module operates independently, at its own maximum power point. A shaded panel releases less energy, but the others continue to operate without restriction. In installations with challenging roof geometry or densely built-up areas, this translates into significantly higher annual yields. Furthermore, per-panel monitoring immediately shows which module is deviating from the rest, facilitating diagnosis and quick removal of the cause, such as contamination.
Microinverter vs. Central Inverter – What to Choose?
A central (string) inverter operates the entire installation from a single device: panels are connected in series to form strings, and their combined power is fed into a single inverter. This solution is cheaper per kilowatt and natural for typical rooftop installations with a uniform surface.
A microinverter works the other way around—it works with individual panels. You gain shade immunity (one dimmed module doesn't affect the others), freedom in panel orientation, and a view of the output from each module individually. You can expand the installation panel by panel, without oversizing the inverter for backup. There are also no high string voltages on the DC side, simplifying installation in small systems. Therefore, microinverters are chosen where flexibility and challenging installation conditions are key, not the lowest cost per kilowatt.
Step-by-step expansion of the installation
Microinverter-based installation Growatt NEO 800M-X It grows with your needs. You start with two panels on your balcony or garage, and as demand increases, you add additional modules with their own microinverters. This doesn't require replacing existing equipment or recalculating the entire installation, as with a central inverter, which must be sized in advance to meet the target power output.
The next step is an energy storage facility – e.g. Growatt NOAH for balcony installations—which shifts surpluses from day to night. We'll be happy to plan the entire expansion path with you, ensuring each stage is consistent with the previous one.
About the brand Growatt
Growatt is one of the world's largest manufacturers of photovoltaic inverters and energy storage systems, present in the PV market for over a decade, with an extensive service network in Europe. PVGroup.pl we offer equipment Growatt from official European distribution, with full documentation, European service warranty and technical support in Polish.
Find out more Growatt NEO 800M-X from the official European distributor Growatt: product page on growatt.tech.
Why is it worth buying at PVGroup.pl
- Original equipment from official European distribution — full documentation and certificates.
- European service warranty (12 years according to the manufacturer) and a Polish VAT invoice.
- Technical support and consulting — we'll help you choose the right solution for your installation. Questions: info@pvgroup.pl.
- B2B wholesale prices — discounts for installers and companies after logging in.
Delivery, warranty and B2B support
We ship the microinverter from an EU warehouse (Raben, DPD, Dachser) to companies and customers throughout Poland and the European Union. Every order is accompanied by a Polish VAT invoice, and the device is covered by a European service warranty (12 years according to the manufacturer) with our complaint handling service. Installers and companies can log in and see discounted wholesale net prices. For a quote on larger quantities, please contact info@pvgroup.pl.
Most frequently asked questions
What is Growatt NEO 800M-X?
This is an 800W photovoltaic microinverter – a small device mounted directly next to the panels that converts direct current from the modules to 230V alternating current. Unlike a central inverter, it only supports a few panels, so shading one module does not reduce the performance of the entire installation.
How many panels will I connect to NEO 800M-X?
The microinverter has two independent PV inputs (one string per input). The recommended module power range is 320-540 Wp+ (recommended STC module power).
Czy Growatt NEO Is the 800M-X suitable for outdoors?
Yes. The IP67 protection rating and wide operating temperature range (-40°C … +65°C) allow the device to be mounted directly under panels, outdoors.
How to monitor work NEO 800M-X?
Via WiFi - data goes to the application ShinePhone and the portal ShineServer, where you can see the production from individual panels, history and any alarms.
What is it best suited for? NEO 800M-X?
For small installations: balconies, garages and gazebos, roofs with complex geometry and wherever some modules are shaded or facing in different directions.
What warranty does it have? Growatt NEO 800M-X?
The product is covered by a European service warranty (12 years according to the manufacturer)—one of the longest warranties in this class of device. We issue a Polish VAT invoice with each order.
What is the difference between a microinverter and a central inverter?
A central inverter controls the entire installation from a single location, while a microinverter controls individual panels. Microinverters handle shading and module orientation better and are easier to expand, but are more expensive per kW in large installations.
Net wholesale prices with a B2B discount are visible after logging in. Log in to see net prices with a wholesale discount.
maciekbwt78 –
I installed it on a balcony with panels and it works well