Hoymiles HYS-3.8LV-USG1 3.8kW Single-phase Hybrid inverter | Compatible with Hoymiles HBX-10.2LV-USG1 51.2V Battery | UL Listed

The HYS-LV-US Series is a high-performance single-phase hybrid inverter with excellent reliability, including power output ranging from 3.8 kW to 11.5 kW. The intelligent EMS function supports self-consumption mode, economic mode, and backup mode for multi-scenario applications.

These single-phase hybrid inverters are meticulously designed to facilitate the two-way conversion of electricity between AC and DC, thereby allowing for dynamic switching between various power sources based on energy production, pricing, and consumption needs.

This series showcases an exceptional range of power output, spanning from 3.8 kW to 11.5 kW, making it suitable for a diverse array of installation scenarios, from residential to small commercial solar-plus-storage projects. It boasts up to 32A of MPPT current, ensuring compatibility with all mainstream PV modules, and a remarkable peak efficiency of 97.6%, setting a new standard in the industry.

The HYS-LV-USG1 series supports 120/240V backup power without the necessity for an external autotransformer. This feature, along with an industry-leading DC/AC ratio of 1.5, translates into lower overall system costs compared to equivalent capacity systems using different inverters. The series is also equipped with integrated arc fault protection and rapid shutdown functionality, ensuring unparalleled safety and reliability. Additionally, it features an intelligent Energy Management System (EMS) that supports modes such as self-consumption, economic, and backup, offering flexibility for diverse application scenarios.

The HYS series includes capabilities for real-time system data monitoring and remote operations and maintenance via a transfer stick (DTS). Monitoring management through S-Miles Cloud allows users to remotely diagnose and track individual systems’ performance over time, maximizing the total solar power production and battery utilization. Its compact and straightforward installation design makes it an ideal choice for seamlessly integrating into any hybrid system, thereby promoting energy independence and resilience in the face of evolving energy challenges.

Product Overview

Key Features

• Max. Efficiency 97.6%, CEC Efficiency 97.0%
• Double MPPT tracker, up to 32A MPPT current
• DC/AC ratio up to 150%
• Ultralight for easy installation and space-saving
• Support 120/240V backup power without external autotransformer
• Seamless backup power for whole-home or critical loads
• Built-in dry contact flexibly set to earth fault alarm, load control, or generator control
• Integrated arc fault protection and rapid shutdown function

Battery:

• Battery Type: Li-ion / Lead-acid
• Nominal Battery Voltage (V): 48
• Voltage Range (V): 40-60
• Max. Charge Current (A): 80
• Max. Discharge Current (A): 80
• Charging Strategy for Li-ion Battery: Self-adaption to BMS
• Charging Curve: 3 Stages / Equalization
• External Temperature Sensor: Optional

PV Input:

• Max. PV Input Power (W): 5760
• Max. PV Input Voltage (V: 550
• Nominal Input Voltage (V): 380
• MPPT Voltage Range (V): 125-500
• Number of MPPTs: 2
• Max. Number of PV String per MPPT: 1/1
• Max. PV Input Current (A): 16/16
• Short-circuit Current of PV Input (A): 20/20

AC Input and Output (On-grid):

• Nominal Output Apparent Power (VA): 3840
• Max. Output Apparent Power (VA): 3840
• Max. Input Apparent Power (VA): 7680
• Nominal AC Voltage (V): 240
• Nominal Grid Frequency (Hz): 60
• Max. Output Current (A): 16
• Max. Input Current (A): 32

AC Output (Off-grid):

• Max. Output Apparent Power (VA): 3840
• Peak Output Apparent Power (VA): 7680, 10s
• Nominal AC Voltage (V): 120 / 240 (split phase)
• Nominal AC Frequency (Hz): 60
• Max. Continuous Output Current (A): 16

Mechanical Data:

• Dimensions (WxHxD)inches: 19.8 ×23.6 ×7.95 inch
• Weight: 68.3 lbs (31 kg)
• Mounting: Wall Mounting
• Operation Temperature (℉): -13 to +149 (> 113, derating)
• Communication with BMS: RS485, CAN
• Communication with Meter: RS485
• Communication Interface: RS485, Wi-Fi/Ethernet/4G (optional)
• Cooling: Natural convection
• Max Parallel: 10

10 Year Warranty

Download

Datasheet: 
HYS-3.8LV-USG1 Specs

User Manual & Guide
HYS-3.8LV-USG1 User Manual
HYS-3.8LV-USG1 Quick Installation Guide

Certificate
HYS Series UL1741 Certificate


About Hoymiles
Hoymiles is a global MLPE (Module Level Power Electronics) solution provider, specializing in module-level inverters and storage systems. With a vision of a clean, sustainable future, we strive to lead the smart energy industry through our rugged technology and reliable products.

With our driven engineer team, 1200+ global experts, and distribution & service network spanning North America, South America, Europe, Asia, Africa, and Oceania, Hoymiles has empowered homeowners and professionals in more than 100 countries and regions to join the journey to true open energy.