Growatt 11.4kW MIN 11400TL-XH-US (WL) (TRS-T) (V3) Grid-Tie Inverter | Battery Storage Solar Inverter

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Growatt MIN 11400TL-XH-US (WL) (TRS-T) (V3) 11.4 kW Grid-Tie Battery-Ready Inverter

An 11.4 kW single-phase grid-tie inverter, the largest in the MIN XH-US range, for a large roof of twenty-five to fifty 450 W panels, battery-ready for a Growatt APX or ARO high-voltage battery and whole-home backup. 98.5 percent peak efficiency, 98.0 percent CEC.

The MIN XH-US is Growatt's battery-ready grid-tie inverter for US homes: it works as a plain string inverter on day one, and becomes a backup system when a Growatt APX or ARO high-voltage battery and the XH backup box are added later, without replacing the inverter. It can be DC-coupled (panels and battery on the inverter) or AC-coupled onto an existing solar system, runs self-consumption, zero-export, time-of-use and off-grid modes, and can dark-start from the battery with the grid down. Rapid shutdown and arc-fault protection are built in, it conforms to UL 1741 SA/SB, IEEE 1547 and CA Rule 21 (HECO compliant), is certified to CSA C22.2 No. 107.1 and UL 9540, and mounts indoors or out in a NEMA 4X (IP65) case with natural convection cooling and no fan. Monitoring is by Wi-Fi and LAN through the Growatt app; 4G is optional.

Sizing: Four MPP trackers with two strings each (eight inputs), 600 V maximum PV voltage, 80 V startup, 13.5 A input current per tracker (16.9 A short-circuit), and a 2.0 DC/AC ratio, so up to 22.8 kW of panels. Output is 11,400 W at 240 V (9,880 W at 208 V) with 48 A maximum output current.

Battery and backup: Battery port is 360–550 V (380–550 V for APX), up to 32.5 A and 11.7 kW charge or discharge with an APX battery. Compatible with Growatt APX (5–30 kWh) and Growatt ARO (6.6–39.6 kWh) batteries. Backup output is up to 11,400 W continuous with 18,000 VA peak, and it supports motor loads up to 5.5 HP. Full 11.4 kW off-grid output needs both PV and battery supplying power; an ARO battery on its own is rated for 10 kW off-grid.

Which version: this model ships as Whole Home Backup (V3), which has a single on-grid AC port and backs up the main panel through the SYN 200-XH-US-13A transfer switch; the backup box, battery and smart meter are sold separately. The inverter weighs 45.2 lb, measures 15.8 × 25.2 × 7.4 in, and carries Growatt's 10-year warranty, extendable to 15 or 20 years.

Specifications are from Growatt's datasheet and are for reference; the installation must follow the manual, the NEC and local code, be carried out by a licensed electrician, and the interconnection approved by your utility.