Growatt SPH 9600–18000TL-HU-US hybrid inverter series features and manufacturer system diagram

Growatt manufacturer specifications comparing SPH 11500TL-HU-US, SPH 15000TL-HU-US and SPH 18000TL-HU-US

Growatt SPH 9600–18000TL-HU-US series product overview with labelled LCD, switches, battery, PV, grid, load and communication ports. Manufacturer manual page 3.

Growatt SPH series mounting requirements: upright installation, at least 500 mm side, top and bottom clearance and 1000 mm front clearance. Manufacturer manual page 7.

Growatt SPH series single-inverter system diagram showing solar, battery, grid, generator port and backup loads, with breaker reference tables. Manufacturer manual page 22; installation reference for qualified installers.

Growatt SPH series touchscreen energy-flow dashboard and PV monitoring screen. Manufacturer manual page 35; SPH 18000 sample display and readings shown for illustration, not a performance rating for every model.

Growatt SPH series lithium battery BMS and inverter monitoring screens showing state of charge, voltage, current and temperatures. Manufacturer manual page 37; illustrative readings.

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Growatt SPH 18000TL-HU-US 18kW 120/240V Hybrid Solar Inverter (UL&CSA certified)

Fournisseur: Growatt

Type: Hybrid Inverters

UGS: GRO-SPH 18000TL-HU-US

$7,995.00 CAD ~~$9,995.00 CAD~~

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Description

The Growatt SPH 18000TL-HU-US is a 18kW 120/240V split-phase hybrid solar inverter for residential solar, low-voltage battery storage and backup power in Canada. Choose the highest-output model in this SPH series for an 18kW solar and battery installation, with up to 36kW of recommended PV capacity. Three independent MPPT trackers support flexible solar-array design, while DC-coupled, AC-coupled and AC-retrofit applications provide options for new systems and storage upgrades.

Why choose the Growatt 18kW hybrid inverter?

18,000W rated AC and backup output: Plan around the inverter's continuous power rating and your actual household loads.
Up to 36,000W recommended solar input: A 2.0 DC/AC ratio allows PV array oversizing within the specified voltage, current and per-MPPT limits.
Three MPPT trackers: Two PV strings per tracker, with up to 40A operating input current per MPPT.
Fast backup transition: The specification table lists a transfer time below 10ms and 200% full-load overload capability for 10 seconds.
Low-voltage battery connection: Supports a 40–60V battery range with up to 334A charge/discharge current.
Generator integration: Supports charging from a compatible diesel generator; maximum generator input power is 30kW.
Expandable system design: Supports up to six units in parallel, subject to the manufacturer's installation requirements.
10-year manufacturer warranty: As listed in the supplied Growatt datasheet.

Solar storage and home backup

Use the SPH 18000TL-HU-US to manage energy from solar panels, compatible batteries, the utility grid and a compatible generator. The datasheet lists a maximum grid passthrough current of 200A. Passthrough current is separate from the inverter's 18kW output rating; battery capacity, battery current limits and connected loads determine available backup power and runtime.

Lithium and lead-acid battery types are listed. Confirm the exact battery model against Growatt's approved battery list, including CAN/RS485 communication and current requirements. The inverter is sold separately from batteries, solar panels and installation services unless explicitly included in your order.

Technical specifications: Growatt SPH 18000TL-HU-US

Specification	Rating
Model	SPH 18000TL-HU-US
Rated AC / backup output	18,000W
Maximum AC apparent power	18,000VA
Maximum recommended PV power (STC)	36,000W
Maximum PV input per MPPT	12,000W
MPPT trackers / strings per MPPT	3 / 2
Maximum DC voltage / startup voltage	550V / 100V
Maximum input / short-circuit current per MPPT	40A / 50A
Nominal AC input voltage	120/240V
Nominal AC output	120/208V or 120/240V split-phase; 60Hz
Maximum AC output current	75A
Maximum grid passthrough current	200A
Maximum generator input power	30,000W
Battery voltage range	40–60V
Maximum battery charge / discharge current	334A
Continuous battery charge / discharge power	18,000W
Battery communication	CAN / RS485
Backup transfer time	Less than 10ms
Backup overload capability	200% full load for 10 seconds
Peak / CEC / MPPT efficiency	98.1% / 97.0% / 99.9%
Maximum parallel units	6
Enclosure protection	IP65
Dimensions (W × H × D)	516 × 870 × 308.8mm
Net / gross weight	63kg / 74kg
Operating temperature	-25°C to 60°C; derating above 45°C
Typical noise	≤50dB
Display / connectivity	LCD touch screen; WiFi / LAN
Manufacturer warranty	10 years

Protection and installation

The IP65 enclosure includes Type II surge protection on the DC and AC sides. The datasheet also lists AFCI, anti-islanding, ground-fault, insulation-resistance and residual-current monitoring protections. Rated operating temperature is -25°C to 60°C, with power derating above 45°C.

System design must follow the current installation manual and applicable electrical requirements. Confirm local utility interconnection acceptance, equipment approvals, battery compatibility and site conditions before installation. UL1741, UL1741SA/SB, CSA C22.2 Certified.

Frequently asked questions

Does this inverter provide 120/240V split-phase power?

Yes. The datasheet lists 120/240V split-phase output and also lists 120/208V operation for supported configurations. Confirm the intended configuration during system design.

How much solar can I connect?

The maximum recommended PV array is 36,000W at STC. Each MPPT is limited to 12,000W, 40A input current and 50A short-circuit current. Array voltage must remain within the manufacturer's specified operating range and 550V absolute maximum.

Does 18kW describe battery capacity?

No. 18kW is the rated power output. Battery energy is measured in kWh and is selected separately to meet your desired backup runtime.

What is the warranty?

The supplied Growatt SPH 9600–18000TL-HU-US datasheet specifies a 10-year warranty. Coverage is subject to the manufacturer's applicable warranty terms.

Find the right Growatt system

Browse hybrid inverters, residential off-grid inverters and Growatt inverters, batteries and accessories. Contact ROCKSOLAR for help selecting compatible storage and planning your system.

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