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H1-3k~6k Single Phase Hybrid Inverter

H1-3k~6k Single Phase Hybrid Inverter
H1-3k~6k Single Phase Hybrid Inverter
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H1 Series Hybrid Inverter Package
H1 Series Hybrid Inverter Certificate
Home » Products » H1-3k~6k Single Phase Hybrid Inverter

Technical Specifications at a Glance

AC Power 3kw - 6kW
Inverter Type Hybrid Inverter
MPP Voltage Range 90 – 550 Volt
MPP Tracker 2
Phases 1
Communication RS485, RS232, CAN, Wi-Fi, Ethernet, 4G, DRM
Pieces per Package 1 per carton, 14 per pallet
Warranty 5 years (extendable up to 20 years)
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What This Model Is Best For

A Single Phase hybrid inverter covering 3-6 kW, the H1 series is SAJ's earlier-generation hybrid platform for basic self-consumption and backup-ready home PV systems. It suits residential retrofit projects where a straightforward hybrid inverter with battery readiness is needed, but where the more advanced H2 series features are not required.

97.6%

Maximum efficiency — 3-6 kW single-phase hybrid with UPS-level EPS switching

  • Dual MPPTs and wide 90–520 V battery voltage range for flexible storage pairing
  • UPS-level backup switching under 20 ms for critical home load continuity
  • Battery-ready design allows retrofit storage addition without inverter replacement
Technical & Grid Integration Specs
Grid + BatteryVDE-AR-N 4105, G98; compatible with 48–60 V LFP battery stacks
EPS BackupAutomatic transfer switch (ATS) with <20 ms switchover to battery power
CommunicationRS485 Modbus RTU, Wi-Fi dongle, and CAN bus for BMS communication
Surge ProtectionType II AC/DC SPD, battery reverse-polarity protection, and RCMU monitoring

Use this model when…

  • The site requires a dedicated 3-6 kW single-phase hybrid with UPS-level EPS switching
  • The string current matches module specs with zero clipping risks
  • The installer has confirmed the matching local grid-code certifications

Choose another model when…

  • The total string open-circuit voltage exceeds safety limits
  • A different grid phase or system-level battery topology is required
  • Local regulations demand centralized substation inverter architectures

Quote-prep checklist

  • Verify battery voltage range and BMS communication protocol compatibility
  • Confirm backup load circuit is wired to the EPS output terminal
  • Submit single-phase grid-code compliance form for residential hybrid connection

Installation, Walkthrough, and Product Videos

Use these videos for installation review, commissioning checks, and client-facing product walkthroughs.

SAJ Technical Training: How to Install H1 Hybrid Solar Inverter

SAJ H1 Technical Training: How to Configure the Meter & Make Export limitation

Webinar SAJ: H1, inversor híbrido residencial de SAJ para el almacenamiento de energía

SAJ Techincal Training: How to power on H1 Hybrid Inverter & B1 Battery

SAJ H1 Technical Video Training: How to Change the Grid Compliance

SAJ Technical Training: H1 Initial setup of country code, date and time

Product Video Showcase

Where This Model Fits Best

Three application scenarios for the H1-3k~6k Single Phase Hybrid Inverter, showing where this 3-6 kW product belongs on the shortlist and where it does not. Review these before quote approval.

H1 urban homes application
01

Residential Hybrid Retrofit

A 3-6 kW single-phase hybrid inverter for homeowners upgrading an existing PV system to add battery storage. The H1 provides basic hybrid functionality for self-consumption and backup readiness. For newer installations, compare against the H2 series.

  • Existing PV array compatible with H1 DC input
  • Battery voltage and type confirmed
  • Backup load expectations reviewed with installer

The H2 series provides longer-term value for new installations. Compare both before committing.

H1 suburban rooftop solar application
02

Basic Backup-Ready Home PV

For new residential PV installations where battery backup is planned but not immediately installed, the H1 provides hybrid readiness. Confirm the battery plan, timeline, and whether the H2 series would provide better future-proofing.

  • Battery purchase plan and timeline confirmed
  • Backup circuit requirements assessed
  • H2 series comparison completed

If the battery purchase is more than 12 months away, the H2 may be a better platform by then.

H1 residences application
03

H1-to-H2 Upgrade Assessment

If the project is at the evaluation stage between H1 and H2, compare: H2 supports higher PV oversizing, newer commissioning tools, and broader battery compatibility. If the project budget allows, the H2 series provides a longer-term platform.

  • H1 datasheet reviewed
  • H2 equivalent model datasheet reviewed
  • Budget and feature comparison complete

Do not select H1 solely on price without understanding the H2 feature differences.

What Buyers Get Before Quote Approval

From requirement check to document pack and quotation, Sunriver keeps the process clear for distributor and project teams.

Consultation meeting

Talk & Plan

We listen to your needs and create a plan that works for you. Our team will help you understand all your options.

Quote and agreement

Quote & Agree

You get a clear price with no hidden costs. Once you're happy with everything, we sign the agreement and start working.

Production and quality control

Make & Check

We carefully make your order and check everything meets our high standards. You'll know exactly how things are going.

Delivery and support

Ship & Support

Your order ships safely to you on time. We're always here to help if you need anything after delivery.

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FAQ for Technical Review

Product-specific technical questions for buyers, installers, and distributors reviewing the H1-3k~6k Single Phase Hybrid Inverter before quotation. Each answer includes technical criteria, a pre-quote checklist, and a caveat to avoid common procurement mistakes.

How do I confirm the H1 3-6kW is the right hybrid inverter for my project?

Confirm your AC output target is within 3-6 kW, single-phase grid connection, and PV array (up to 4.5 – 9 kW DC DC) is compatible. The H1 is SAJ's earlier-generation platform — if your project supports the newer H2 series, compare both before deciding.

What to check

  • Confirm AC output target within 3-6 kW
  • Confirm single-phase grid connection
  • Confirm PV input within 4.5 – 9 kW DC DC
  • Compare H1 and H2 series features

The H2 series may provide longer-term value for new installations. Review both datasheets.

What battery compatibility should I confirm before selecting the H1?

Confirm the battery voltage range, battery type (typically LiFePO4), and BMS communication protocol before selecting the H1. The inverter requires an external battery — it is not an all-in-one ESS. Share the battery specifications with Sunriver if compatibility is uncertain.

What to check

  • Battery voltage range confirmed
  • Battery type (LiFePO4) and capacity confirmed
  • BMS communication protocol checked
  • Battery specifications shared with Sunriver if uncertain

Battery compatibility issues are the most common cause of post-purchase reconfiguration. Confirm before quoting.

What documents should I review before quoting the H1 3-6kW?

Review the H1 Series H1-3-6K Single Phase Inverter User Manual for electrical specifications and the H1 Series H1 3-6k Single Phase Inverter Datasheet for installation and commissioning. Share the datasheet with the installer before quoting.

What to check

  • Review H1 Series H1-3-6K Single Phase Inverter User Manual
  • Review H1 Series H1 3-6k Single Phase Inverter Datasheet for installation and commissioning
  • Confirm grid-code compliance for destination country

Do not proceed to quotation without reviewing the datasheet specifications.

How does the H1 compare to the H2 series?

The H2 series provides higher PV oversizing, newer commissioning tools, and broader battery compatibility than the H1. If your project is a new installation, compare the equivalent H2 model before committing to the H1.

What to check

  • Compare H1 and H2 datasheets
  • Assess PV oversizing requirements
  • Check battery compatibility lists for both series

The H1 is a capable inverter, but the H2 represents the current SAJ hybrid platform with longer-term support.

What project details should I send for a faster H1 3-6kW quote?

Send the destination country, AC output target, PV array size, battery specifications (voltage, type, capacity), and expected backup-load requirements. If the project is at evaluation stage, note whether an H2 comparison is also needed.

What to check

  • Destination country and grid code
  • AC output target and PV array size
  • Battery specifications (voltage, type, capacity)
  • Backup-load requirements

Commercial terms are confirmed through a formal Sunriver quotation.

Compare Nearby Models

Review adjacent models before you finalize the shortlist.

H2-10k~30k Three Phase Hybrid Inverter

H2-10k~30k Three Phase Hybrid Inverter

AC Power: 10kW - 30kW
Type: Hybrid Inverter
MPP Range: 180 – 900 Volt
Phases: 3
View Details
H2-5k~10k Three Phase Hybrid Inverter

H2-5k~10k Three Phase Hybrid Inverter

AC Power: 5kW - 10kW
Type: Hybrid Inverter
MPP Range: 180 – 900 Volt
Phases: 3
View Details
H2-5k~12k Low Voltage Single Phase Hybrid Inverter

H2-5k~12k Low Voltage Single Phase Hybrid Inverter

AC Power: 5kW - 12kW
Type: Hybrid Inverter
MPP Range: 90 – 480 Volt
Phases: 1
View Details
H2-3k~6k Single Phase Hybrid Inverter

H2-3k~6k Single Phase Hybrid Inverter

AC Power: 3kW - 6kW
Type: Hybrid Inverter
MPP Range: 90 – 500 Volt
Phases: 1
View Details

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