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SolaX X1-Hybrid-3.7-D 3.7kW Single Phase Hybrid Inverter for Residential PV and Battery Storage
The SolaX G4 X1-Hybrid-3.7-D Single Phase 3.7kW Hybrid Inverter is designed for residential solar PV systems where homeowners want solar production, battery storage and backup-ready energy management in one compact inverter platform.
For professional solar installers, electricians, EPCs, solar wholesalers and solar distributors in Europe, this model is a strong fit for smaller and medium residential energy storage systems. It offers the right balance between PV input capacity, battery compatibility, smart control and single phase grid connection for everyday residential installations.
The SolaX X1-Hybrid G4 datasheet presents the range as a single-phase residential hybrid inverter series, including 3.0kW, 3.7kW, 5.0kW, 6.0kW and 7.5kW models.
3.68kW Output with 7.4kWp Recommended PV Array Power
The SolaX X1-Hybrid-3.7-D is specified with 3,680W rated AC output power and 7.4kWp maximum recommended PV array power. This makes it suitable for residential PV systems where the customer needs a compact hybrid inverter with enough PV input capacity for a well-sized rooftop solar installation.
The datasheet also highlights 200% PV oversizing and up to 110% AC output for the X1-Hybrid G4 platform, helping installers design solar PV systems that generate more usable energy across different roof orientations, seasons and daily production windows.
Dual MPPT Design for Flexible Roof Layouts
The X1-Hybrid-3.7-D includes 2 MPPT trackers with 1 string per MPPT, allowing installers to design more flexible residential solar PV arrays. This is useful when panels are split across different roof faces or when system design needs to manage different orientations.
According to the datasheet, the inverter has a 600V maximum PV input voltage, 360V rated PV input voltage, 70–550V operating voltage range, 70–550V MPPT voltage range, and 90V start-up voltage. Each MPPT supports 16A maximum input current and 20A maximum short-circuit current, making it suitable for modern solar panel strings.
Battery-Ready Hybrid Inverter for Energy Storage Systems
The SolaX X1-Hybrid-3.7-D is designed for battery storage integration, with a battery voltage range of 80–480V and 30A maximum charge/discharge current. The datasheet lists compatibility with lithium and lead-acid batteries, giving installers flexibility when designing residential solar battery systems.
This makes the inverter suitable for self-consumption systems, solar battery retrofits, backup-ready residential PV projects and complete kits where homeowners want to store surplus solar energy for later use.
EPS Backup Output with Fast Switchover
The X1-Hybrid-3.7-D includes EPS off-grid output with battery. The datasheet lists 3,680VA rated EPS output power, 6,000VA peak EPS output power for 10 seconds, and <10ms switchover time.
For installers and electricians, this is important when designing backup-ready solar storage systems for essential loads, energy security and improved residential resilience.
Smart Energy Management for Residential Solar Homes
The SolaX X1-Hybrid G4 platform includes smart energy functions such as smart load management, time-of-use energy management, CT compatibility with fast load response, global MPP scan for improved energy harvest and VPP-ready operation. These features help support modern residential PV systems with battery storage, heat pumps, smart appliances, EV charging loads and dynamic electricity tariffs.
For professional installers, this makes the X1-Hybrid-3.7-D more than a basic solar inverter. It can be positioned as part of a complete energy storage solution for homeowners who want smarter control over solar production and electricity use.
IP65 Protection and Installer-Friendly Design
The SolaX X1-Hybrid-3.7-D has IP65 ingress protection, supporting flexible installation in suitable indoor or outdoor locations when installed according to manufacturer requirements. The datasheet also lists an operating temperature range from -35°C to +60°C, with derating above 45°C, and a maximum operating altitude of 3000m.
The inverter has dimensions of 482 × 417 × 181mm and a listed net weight of 24kg, making it suitable for professional wall-mounted residential inverter installations.
Key Technical Specifications
| Specification | Value |
|---|---|
| Brand | SolaX Power |
| Product series | X1-Hybrid G4 |
| Model | X1-HYBRID-3.7-D |
| Product type | Single phase hybrid solar inverter |
| Rated AC output power | 3,680W |
| Max. recommended PV array power | 7.4kWp |
| Max. PV input voltage | 600V |
| Rated PV input voltage | 360V |
| PV operating voltage range | 70–550V |
| MPPT voltage range | 70–550V |
| Start-up voltage | 90V |
| MPPT trackers / strings | 2 MPPT / 1+1 strings |
| Max. input current per MPPT | 16A / 16A |
| Max. short-circuit current per MPPT | 20A / 20A |
| Max. output apparent power | 3,680VA |
| Max. output continuous current | 16.0A |
| Rated AC voltage | 1 / N / PE, 220V / 230V / 240V |
| Max. AC input apparent power | 7,360VA |
| Max. AC input current | 32.0A |
| Nominal AC frequency | 50Hz / 60Hz |
| THDi at rated power | <2% |
| Battery type | Lithium / lead-acid |
| Battery voltage range | 80–480V |
| Max. charge/discharge current | 30A |
| Rated EPS output power | 3,680VA |
| Peak EPS output power | 6,000VA for 10 seconds |
| Switchover time | <10ms |
| Max. efficiency | 97.6% |
| European efficiency | 97.0% |
| Ingress protection | IP65 |
| Dimensions | 482 × 417 × 181mm |
| Net weight | 24kg |
| Communication interfaces | CT/meter optional, external control RS485, dongle interface, DRM, NTC optional |
| Certification | VDE-AR-N 4105, G99, G98, AS/NZS4777, EN50549, CEI 0-21, C10/11, IEC61727, RD1699, NRS097-2-1, PEA/MEA, VFR2019, PPDS |
Recommended Applications
The SolaX X1-Hybrid-3.7-D is suitable for professional solar PV and energy storage projects such as:
- Residential solar PV systems
- Small and medium home battery storage systems
- Self-consumption optimization
- Backup-ready solar energy systems
- Single phase hybrid inverter installations
- PV systems with smart energy management
- Solar battery retrofit projects
- Installer-ready complete kits
- Electrical contractor solar storage projects
- European residential energy storage installations
Why Solar Installers and Electricians Choose the SolaX X1-Hybrid-3.7-D
The X1-Hybrid-3.7-D gives professional installers a compact single phase hybrid inverter with strong practical features. Its 7.4kWp PV input capability, dual MPPT layout, 80–480V battery voltage range, IP65 protection, EPS backup output and <10ms switchover time make it suitable for residential solar battery systems where reliability and simple system design matter.
For electricians and PV installers, this model is especially relevant for customers who need a practical hybrid inverter for home solar storage without oversizing the inverter unnecessarily.
B2B Solar Inverter Supply from 3Buy Solar
3Buy Solar supplies solar inverters, solar panels, solar batteries, energy storage components and complete kits for professional solar installers, electricians, EPCs, solar wholesalers, solar distributors and resellers across Europe.
The SolaX G4 X1-Hybrid-3.7-D can be sourced for residential PV projects, solar battery storage systems and installer-ready complete kits where a reliable single phase hybrid inverter is required. For B2B buyers, this supports efficient procurement, clear system matching and European solar project supply from one solar PV supplier.
Product Compatibility and System Design Notes
The SolaX X1-Hybrid-3.7-D is designed for hybrid solar PV and battery systems. Before installation, installers should confirm compatibility with the selected battery, CT/meter configuration, communication accessories, grid requirements and local electrical standards.
For complete system procurement, this hybrid inverter may be combined with compatible solar panels, battery storage, mounting systems, protection devices, smart meters, communication dongles and electrical accessories.
Product Datasheet and Downloads
Datasheet SolaX X1-Hybrid G4 EN
Datenblatt SolaX X1-Hybrid G4 DE
Product Brochure SolaX Power
Installation and Operation Manual SolaX X1-Hybrid G4 EN
User Manual SolaX X1-Hybrid G4 EN
Quick Installation Guide SolaX X1-Hybrid G4 EN
WIFI Setting Instructions
Signing up to Solax Cloud Instructions
Solax Installer pack – Manufacturer Instructions and Troubleshooting
Circuit and Connection Diagram
Installationshandbuch SolaX X1-Hybrid G4 DE
Benutzerhandbuch SolaX X1-Hybrid G4 DE
Battery Compatibility and System Documentation SolaX Hybrid Inverters
FAQ: SolaX X1-Hybrid-3.7-D Hybrid Solar Inverter
The SolaX X1-Hybrid-3.7-D is a 3.7kW single phase hybrid inverter used for residential solar PV systems with battery energy storage. It supports solar generation, battery charging, self-consumption, smart energy management and EPS backup output when installed with a compatible battery system.
According to the SolaX datasheet, the X1-Hybrid-3.7-D supports up to 7.4kWp recommended PV array power, with 600V maximum PV input voltage and two MPPT trackers. This allows installers to design flexible residential PV systems with strong solar input capacity; and makes it a strong option for solar panels with multiple roof orientations, high-power modules, and commercial energy storage designs that aim to maximize annual yield.
Yes. The SolaX X1-Hybrid-3.7-D is designed for battery energy storage systems and supports lithium and lead-acid batteries with an 80–480V battery voltage range and 30A maximum charge/discharge current. Battery compatibility should always be checked against the latest SolaX compatibility list.
Yes. The X1-Hybrid-3.7-D includes EPS off-grid output with battery. The datasheet lists 3,680VA rated EPS output power, 6,000VA peak EPS output power for 10 seconds and a switchover time of less than 10ms when the system is correctly configured.
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