Growatt SPH 18000TL-HU-US 18KW Hybrid Inverter | Split-phase | 30kW DC Input | 10-Year Warranty

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_9600-18000TL-HU-US_Datasheet_EN_202605.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.