Growatt

Growatt MIN 11400TL-XH-US

11.4 kW Hybrid Single-phase Battery-ready

Compare with closest alternative Datasheet PDF

Rated AC (kW)

11.40

Strong · top 17%

Euro eff. (%)

Not published

MPPT

Strong · top 1%

Max DC (V)

600

Weak · bottom 24%

Weight (kg)

20.5

Strong · top 24%

Warranty (yrs)

Typical · median 5 yrs

Growatt MIN8200~11400TL-XH series are grid-type inverters compatible with battery systems, designed for installations currently operating grid-connected, with the potential to be expanded in the future with energy storage and backup power. This means that transitioning to self-consumption, operating with export limitation, or backup power scenarios after installing the right components is possible.

What sets them apart from the competition is their up to 4 independent MPPTs, facilitating high yields on roofs with different orientations and partial shading - each string can operate at its optimal point. The high European efficiency translates to lower losses in real climatic conditions in Poland, especially with variable sunshine.

Advanced monitoring and communication is standard - data logging enables monitoring via WiFi or LAN, as well as viewing in the Growatt platform. The devices have the required network conformity certificates, and the manufacturer's warranty depends on the market and purchase conditions. This is a good choice for larger homes and small commercial properties.

Ranking

266 inverters from 6 to 12 kW

Metric This inverter Median Position in class Rank in class

European efficiency - 97.6% Not published -

MPPT trackers 4 2 Strong · top 1% 1

Max DC input voltage 600 V 1000 V Weak · bottom 24% 161

Weight per kW 1.8 2.3 Strong · top 24% 65

Warranty 10 yrs 5 yrs Typical 13

Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Price offers

4 from shops we track

Prices in

Shop	Country	Price	Per kW	Stock	Offer updated	Link to shop
www.self2solar.com	United States	1 695 $ net	148.68 $/kW	In stock	17h ago	Visit shop
portable-sun.com	United States	1 699 $ incl. VAT	149.04 $/kW	In stock	17h ago	Visit shop
signaturesolar.com	United States	1 706 $ net	149.65 $/kW	In stock	8h ago	Visit shop
ussolarsupplier.com	United States	2 056 $ net	180.35 $/kW	In stock	16h ago	Visit shop

Specifications

Open datasheet PDF

Rated AC power 11.4 kW Continuous output

Max apparent power 13.68 kVA

Phases Single-phase

Nominal AC voltage 240 V @208V: 183–229 V; @240V: 211–264 V

Max AC current 48.0 A

Grid frequency 60 Hz Range 45–65 Hz

Power factor 0.8 leading to 0.8 lagging (adjustable), >0.99 at nominal

Harmonic distortion (THD) 3.0 %

Max DC input power 22.80 kW DC/AC ratio 2.00

Max DC voltage 600 V Caps the string length

MPPT voltage range 50 to 550 V

Start-up voltage 50 V

MPPT trackers 4 2 strings each

Max input current per MPPT 13.5 A Must exceed the panel's Imp

Max short-circuit current per MPPT 16.9 A Must exceed the panel's Isc

Max efficiency 98.5 % Best single operating point

CEC efficiency 98.0 % California Energy Commission weighting

Battery port Yes

Battery voltage 360–550 V

Max charge current 30.0 A

Max discharge current 30.0 A

Backup power 11.40 kW Output during a grid outage

Grid-forming Yes

Dimensions 638 × 400 × 187 mm Height × width × depth

Weight 20.5 kg 1.8 kg per kW

Enclosure NEMA 4X (IP65)

Cooling natural

Operating temperature -25 to 60 °C

Max humidity 95 %

Max altitude 3000 m

Installation Outdoor only

Interfaces Wi-Fi

Protocols RS485WiFi4G (optional)

Protection AFCIDC switchSurge protection

Warranty 10 years Standard manufacturer cover

Certifications UL 1741UL 1741SAIEEE 1547CA Rule 21HECO Rule 14FCC Part 15 Class BCSA C22.2UL 1699BUL 1741 CRDUL 9540ANSI C12.20 (revenue grade meter accuracy 0.5% - optional meter)

Pros and cons

4 positive · 1 caution

What owners get

Ready for battery use: DC and AC coupling without replacing the inverter

The series supports both DC (a dedicated MPPT port for high-voltage batteries) and AC connections, allowing the energy storage system to be connected to an existing installation without replacing the inverter. Standard on-grid inverters of this class (e.g., SMA Sunny Boy) require a hybrid model to be replaced - in this case, the cost of expansion is limited to purchasing the battery and BMS.

Up to 4 independent MPPT trackers

Within the 8200-11400 W power range, the series offers up to 4 independent MPPT trackers, while the lower-power XH (3-6 kW) models come standard with 2 MPPT, and the competitive SMA SB 8.0-10.0 (European version) offers 2 MPPT. More trackers translate to higher yields on multi-pitched roofs and in partially shaded conditions.

Free extension of warranty up to 10 years

Growatt offers free extension of the warranty from 5 to 10 years after online registration within 12 months of purchase. SMA charges an additional fee (Smart Warranty Extension) for the extended warranty, as does Fronius. Growatt eliminates this cost if the registration conditions are met.

WiFi and LAN functionality included, without the need for an additional module.

The integrated data logger with WiFi and LAN connectivity allows for monitoring on the Growatt ShineServer platform without the need to purchase a separate device. Unlike competing products such as the SMA Sunny Boy, which require a separate Energy Meter or SMA Data Manager for full monitoring, this adds an additional cost of around 200-400 zł.

Trade-offs

Not meeting Tier-1 bankability criteria

Growatt (founded in 2010, headquarters in China) does not appear on the lists of inverter manufacturers considered "bankable" by financial institutions, unlike SMA (founded in 1981), Fronius, Huawei Solar, or Sungrow. For commercial projects financed with external capital (investment loan, leasing), some banks and funds require a "bankable" manufacturer as a condition for financing, which could limit the use of this product line in commercial properties.

Alternatives

All Growatt inverters

Inverter Power Euro eff. MPPT Weight Difference

Growatt MIN 11400TL-XH-US 11.4 kW - 4 20.5 kg You are here

MID 11KTL3-XH 11 kW 98.5% - 31.0 kg -0.4 kW, 10.5 kg heavier

MOD 11KTL3-HU 11 kW 98.1% 3 20.0 kg -0.4 kW, -1 MPPT

11.0KW (11.0KVA/11.0KW, 48V) 11 kW - 2 14.8 kg -0.4 kW, -2 MPPT, 5.7 kg lighter

MID 12KTL3-XH 12 kW 98.5% - 31.0 kg +0.6 kW, 10.5 kg heavier

SUN5000-12K-MAP0 12 kW 98.2% 2 21.0 kg +0.6 kW, -2 MPPT

SUN2000-12KTL-M1 (High current version) 12 kW 98.2% 2 17.0 kg +0.6 kW, -2 MPPT, 3.5 kg lighter

SUN2000-12K-MAP0 12 kW 98.2% 2 21.0 kg +0.6 kW, -2 MPPT

SUN2000-12KTL-M1 12 kW 98.2% 2 17.0 kg +0.6 kW, -2 MPPT, 3.5 kg lighter

About the MIN8200~11400TL-XH series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this model's own.

What does 'battery-ready' mean in the Growatt MIN8200~11400TL-XH inverter, and can I add a battery later?

'Battery-ready' means the inverter has a built-in battery input and energy management logic, but operates immediately as a grid-tied inverter without a battery. A storage system - for example from the Growatt ARO or APX HV series - can be connected at any point after the initial installation. There is no need to replace the inverter; simply connect the battery and the backup switching module. This is a good option if budget is a priority now, while self-consumption or backup power are planned for the future.

How many MPPT trackers does the Growatt MIN8200~11400TL-XH series have, and does it matter for my roof?

The MIN8200~11400TL-XH series offers up to 4 independent MPPT inputs. This is significant if your roof has sections with different orientations (e.g., south and east facing), is partially shaded by a chimney or dormers, or if you have two separate string runs. Each tracker operates independently, so shading or a suboptimal orientation on one string does not reduce the yield of the remaining strings. For a simple, unshaded south-facing roof, 2 MPPT inputs would suffice, but a higher number provides greater design flexibility.

What is the warranty on the Growatt MIN8200~11400TL-XH inverter in Poland?

Growatt Poland offers a standard 10-year warranty for single-phase inverters with a power output of 1 to 20 kW, which means the entire MIN8200~11400TL-XH series falls within this range. Service is handled by the Polish subsidiary, and the typical repair turnaround time is up to 5 business days. An extended warranty option is also available. Terms may vary by distributor, so it is advisable to confirm them in writing before purchase.

Which batteries are compatible with the Growatt MIN11400TL-XH inverter, and can I use a third-party battery?

The inverter is natively compatible with Growatt high-voltage batteries from the ARO HV and APX HV series, which offer capacities ranging from approximately 9.9 kWh to 19.8 kWh. Integration with a third-party battery is technically possible in some cases, but requires verification of the BMS communication protocol. For seamless operation and to maintain warranty coverage, Growatt batteries are recommended. It is worth asking your installer for the current list of certified batteries compatible with this model.

What is the efficiency of the Growatt MIN8200~11400TL-XH series, and is it a good result for the Polish climate?

The peak efficiency of the series reaches 98.4%, while the European efficiency - measured under variable load conditions that more closely reflect real-world Polish climate conditions - is approximately 97.8%. This is a solid result for a grid-tied inverter in this class. In Poland, where the inverter operates at 10-50% of rated load for many hours due to variable weather, it is specifically the European efficiency figure that directly translates into annual energy yield and return on investment.

Is Growatt a trustworthy brand, and what risks do I take when buying an inverter from a Chinese manufacturer not on the Tier 1 list?

Growatt is one of the largest inverter manufacturers in the world, and its devices carry the required grid-connection certifications and are distributed through an official representative in Poland. The brand is not classified as Tier 1 by certain rating agencies, which is primarily due to financial criteria rather than product quality. The main risk when purchasing is the continuity of after-sales service in 10-15 years' time - which is why it is important to buy through an authorized distributor that provides a Polish warranty and access to spare parts.

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