Growatt SPH 18000TL-HU-US 18KW Hybrid Inverter | Split-phase | 30kW DC Input | 10-Year Warranty
- 1.5 DC/AC Ratio with 3 Mppts
- Up to 200A charging / discharging current
- 120V/240V Spilit AC output
- UPS function, 10ms transition
- Support DC-Coupled, AC-Coupled, AC-retrofit applications
- Type II Surge protection for DC and AC sides
- Support charge from diesel generator
- Support both single phase and split phase application
- Weight: 110lbs
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The Growatt SPH 18000TL-HU-US is part of Growatt’s high-power split-phase hybrid energy storage inverter series designed for modern U.S. residential and small commercial applications. It seamlessly combines solar PV, battery storage, and grid power, providing reliable energy management and whole-home backup during outages. Its transformerless design delivers high efficiency (~98%) while supporting fast UPS switch times (≤20 ms), ensuring a nearly uninterrupted power supply.
Built for flexibility, the SPH 18000TL-HU-US supports 48V lithium batteries, dual MPPT solar input for optimized energy harvesting, and parallel operation, making it ideal for larger homes or small commercial setups. With 120/240V split-phase output, it fits perfectly into U.S. electrical systems, and its smart monitoring options (WiFi/RS485) give real-time insights into system performance.
Product Overview
| Manufacturer | Growatt |
| Type | Split-phase Hybrid Storage Inverter |
| Max PV Input | 30000W |
| Max Output | 18000W |
| Voltage Output | 120V/240V Split |
| MPP Trackers | 3 |
| Max Battery charge/discharge current | 200A |
| Max Efficiency | 98% |
| Compatible Battery | Growatt AXE / ALP Battery / Acid Battery/ Third party brand battery with RS485 protocol |
| Electronics Protection Degree | IP65 ( NEMA 4 ) |
| Warranty | 10 years |
| Communications | CAN2.0, RS485, USB |
| Certificate | UL1741, UL1741SA, UL1998, UL1699B, CAS C22.2, CA Rule21 |
Key Features
Leading Functions
- UPS function, 10ms transition
- Scalable system available
- Up to 200A charging/discharging current
High Yields
- DC/AC ratio up to 1.5
- MPP trackers up to 3
- Max. efficiency 98.1%
System Compatibility
- Support DC-Coupled AC-Coupled System;
- Support diesel and gas generator
- Support Lithium battery and lead-acid battery
PV Input Data
Max.PV Power Input: 30000W
Max.DC Voltage: 550V
No. of MPPT: 3
No. of PV Strings per MPPT: 2
Max. input current per MPPT: 40A
Max. short-circuit current per MPPT: 50A
Output Data
AC nominal power: 18000W
Nominal AC Voltage output: 120V/240V Split ( 180Vac - 280Vac )
Max. output current: 75A
Battery Data
Battery voltage range: 40~60V
Max charging and discharging current: 200A
Continuous power: 18000W
Type of battery: Lithium / Lead-acid
Advanced Protection & Safety
UL certificated( UL1741 ), CA Rule21
PV switch integrated
AC over current/voltage protection
Ground fault monitoring
Grid monitoring
Anti-islanding protection
Residual-current monitoring unit
Insulation resistance monitoring
AFCI protection
Surge protection
General data
Dimensions( W/H/D ):17.32* 28.34* 9.44 inches ( 440*855*256mm )
Weight: 48.84kg / 107.8lbs
Protection degree: IP65/NEMA 4
Display: LCD
Communication: Wifi / 4G
Warranty: 10 Years
Freight
This inverter gross weighs 120lb for shipping and big size, we ship it via freight truck. SHIPPING FREE for purchase 2 pieces a time
Download
Datasheet
SPH_8000-10000TL-HU-US_Datasheet_EN_202501.pdf
User Manual & Installation Quick Guide
Certification
About Growatt
Growatt is a leading global manufacturer of solar inverters, energy storage solutions, and smart energy management systems. Founded in 2010, the company has grown rapidly to become a trusted brand in the renewable energy industry, with a presence in over 100 countries and regions around the world.
Growatt's innovative products are designed to maximize energy efficiency and enable customers to reduce their carbon footprint while saving money on energy bills. The company's range of solar inverters includes both string and central inverters, which are suitable for a wide range of applications, from residential rooftops to large-scale commercial and utility-scale projects.
In addition to solar inverters, Growatt also offers a range of energy storage solutions, including lithium-ion batteries and hybrid inverters. These products allow customers to store excess energy generated by their solar panels and use it when needed, further reducing their reliance on grid power.
With a commitment to innovation and customer service, Growatt is dedicated to providing reliable, high-quality products and solutions that meet the evolving needs of the renewable energy industry.
FAQ
The SPH 10000TL-HU-US: is a 10kW split-phase hybrid inverter for U.S. homes, integrating solar PV, battery storage, and grid power. It supports backup loads, smart energy management, and multiple operating modes, delivering high efficiency, reliability, and flexibility for residential solar systems while ensuring continuous power during outages.
SPH 10000TL‑HU‑US(B): Includes built‑in breakers/protection on battery, grid, generator, and load circuits — safer and easier to install with fewer external protection components.
This inverter works with lithium-ion and lead-acid batteries within 40–60V. It communicates via CAN and RS485 protocols and supports approved battery brands. Users can integrate energy storage for backup or self-consumption, ensuring efficient charging, discharging, and seamless power management with reliable long-term performance for residential solar setups.
The SPH 10000TL-HU-US supports up to 15kW of solar PV, with three MPPT trackers for flexible array design. Its DC/AC ratio reaches 1.5, maximizing energy harvest. This allows homeowners to optimize solar production, reduce reliance on the grid, and efficiently manage power from multiple PV strings with varying orientations.
Yes. The inverter includes UPS-level backup with a transfer time under 10 milliseconds. Critical loads remain powered instantly during grid failures, ensuring continuity for home appliances. Combined with battery storage, it allows uninterrupted operation for lights, refrigerators, and essential electronics, offering reliable protection against power interruptions.
Yes. The inverter supports both diesel and gas generators, enabling battery recharge during extended outages or low solar production periods. This hybrid operation ensures continuous energy supply, integrates multiple power sources, and enhances system flexibility, allowing homeowners to maintain essential power even in areas with intermittent grid reliability.
The inverter supports On-Grid, Self-Consumption, Zero Export, Grid Peak Shaving, and Time-of-Use modes. These allow users to prioritize solar usage, maximize cost savings, and manage battery discharge intelligently. Switching between modes is simple, providing flexible energy strategies for different households, utility tariffs, and lifestyle requirements.
Yes. With an IP65 rating, the inverter is dustproof and water-resistant, making it suitable for both indoor and outdoor installations. It withstands varying weather conditions while protecting internal components. Proper installation following local codes ensures safety, durability, and long-term reliable operation in residential solar and energy storage systems.
The SPH 10000TL-HU-US can charge and discharge batteries up to 200A. This high current enables fast battery replenishment and powerful backup output, supporting high-demand household loads. It ensures optimal energy storage utilization and allows for quick recovery of power even after extended consumption or heavy solar usage periods.
SPH 10000TL‑HU‑US‑B includes built‑in breakers/protection devices. The “(B)” variant explicitly comes with integrated breaker protection inside the inverter chassis, covering key circuits:
- Battery side: 80 V / 250 A breaker
- Grid side: 400 V / 100 A breaker
- Generator input: 400 V / 63 A breaker
- Load output side: 400 V / 100 A breaker
This built‑in breaker protection helps defend against overload, over‑temperature, and short‑circuit conditions without needing external breakers for these circuits, simplifying installation and enhancing safety.
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