ESY Sunhome Battery

The ESY SUNHOME Battery is a modular all-in-one energy storage solution for Australian homes, combining a hybrid solar inverter, LiFePOâ‚„ battery modules, backup power and smart monitoring in one system. Its expandable design allows homeowners to add more battery capacity when needed. With IP66 protection, blackout backup, intelligent operating modes and app-based monitoring, it helps store excess solar energy, reduce grid dependence and keep essential appliances powered during outages.

Key Features of the ESY Sunhome Battery

  • All-in-one battery and hybrid inverter design
  • Expandable capacity from 5.12 kWh to 30.72 kWh
  • IP66-rated weather-resistant enclosure
  • Blackout backup with a 20 ms transfer time
  • Built-in fire-protection system
  • ESY SUNHOME App monitoring
  • AI and electricity-tariff operating modes
  • 10-year manufacturer warranty
  • Indoor or suitable outdoor installation
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Information

About ESY SUNHOME

ESY SUNHOME is an energy storage manufacturer headquartered in Shenzhen, China, with over 20 years of experience in battery and power-supply technology. The company now develops LiFePOâ‚„ batteries, hybrid inverters and all-in-one residential and commercial energy storage systems.

After launching its first HM6 home battery system in 2023, ESY SUNHOME expanded its residential range and international presence. Its Australian office in Greenacre, New South Wales, provides local sales and support.

ESY Sunhome Residential Battery Range

ESY Sunhome offers a flexible range of all-in-one residential battery systems for both single-phase and three-phase properties. The available models differ in inverter output, battery capacity and power capability, allowing homeowners to choose a system that suits their energy usage, solar setup and backup requirements. The table below provides a quick comparison of the complete residential range. 

Model Phase Inverter Power Battery Capacity Best Suited For
HM5 Single-phase 5 kW 5.12–30.72 kWh Small to medium-sized homes
HM6 Single-phase 6 kW 5.12–30.72 kWh Medium-sized homes with higher loads
HM5-MAX Single-phase 10 kW platform 5.12–30.72 kWh Homes requiring stronger backup power
HM10 Single-phase 10 kW 5.12–30.72 kWh Large homes with higher energy demand
HM12 Single-phase 12 kW 5.12–30.72 kWh High-demand single-phase properties
HM10-H Three-phase 10 kW 10.54–94.86 kWh Large homes and smaller three-phase sites
HM15 Three-phase 15 kW 10.54–94.86 kWh Large properties with greater power demand
HM20 Three-phase 20 kW 10.54–94.86 kWh High-demand homes and three-phase applications

ESY Sunhome Battery Price in Australia 2026

Battery Capacity Approx. Price (AUD)
5 kWh A$1,999*
15 kWh A$5,599*
20 kWh A$6,099*
25 kWh A$7,399*
30 kWh A$8,199*

The ESY Sunhome Battery is available in multiple capacity options. The 5 kWh ESY Sunhome Battery price starts from approximately A$1,999, while the 15 kWh option is priced at around A$5,599. The 20 kWh system costs approximately A$6,099, and the 25 kWh option is priced at around A$7,399. For larger storage requirements, the 30 kWh ESY Sunhome Battery is priced at approximately A$8,199.

Final price may varies based on location, installation requirements. Contact us for a personalized quote and expert advice.

ESY Sunhome Single-Phase Battery Models

ESY SUNHOME’s residential range includes both single-phase and three-phase all-in-one energy storage systems. The single-phase HM Series includes the HM5, HM6, HM5-MAX, HM10 and HM12, with modular battery capacity from 5.12 kWh to 30.72 kWh. For larger homes and properties with three-phase power, ESY SUNHOME also offers the HM10-H, HM15 and HM20, supporting battery storage from approximately 10 kWh to 90 kWh.

Each model combines a hybrid inverter with modular battery units and is designed to work with solar PV, the electricity grid and smart energy-management features. Inverter output and storage capacity vary by model, allowing homeowners to select a system based on their property’s phase, power demand and backup requirements.

ESY SUNHOME HM5

The ESY SUNHOME HM5 is the entry-level single-phase model in the residential HM Series. With a 5 kW inverter output and expandable battery capacity from 5.12 kWh to 30.72 kWh, it is suitable for small to medium-sized homes with standard household energy requirements.

Key Features:

  • 5 kW inverter and backup output
  • 5.12–30.72 kWh expandable battery capacity
  • Supports up to 8 kW of solar PV input
  • Quiet natural-cooling system
  • Fast backup switching during power outages
  • IP66-rated weather-resistant enclosure
  • Suitable for small to medium-sized homes

ESY SUNHOME HM6

The ESY SUNHOME HM6 offers slightly higher power than the HM5. Its 6 kW output and expandable storage capacity make it a balanced option for medium-sized households that may operate several appliances simultaneously.

Key Features:

  • 6 kW inverter and backup output
  • 5.12–30.72 kWh expandable battery capacity
  • Supports up to 8 kW of solar PV input
  • Higher simultaneous-load capability than the HM5
  • Quiet natural-cooling system
  • Smart energy monitoring through the ESY SUNHOME App
  • Suitable for medium-sized homes and everyday backup

View HM5 & HM6 Datasheet 

ESY SUNHOME HM5-MAX

The ESY SUNHOME HM5-MAX is designed for homes that require stronger backup capability while maintaining a lower normal grid output. It supports expandable battery storage and can provide up to 10 kW of backup output during an outage.

Key Features:

  • 5 kW normal grid output
  • Up to 10 kW backup output
  • 5.12–30.72 kWh expandable battery capacity
  • Supports up to 18 kW of solar PV input
  • Generator-input compatibility
  • Intelligent air-cooling system
  • Suitable for homes with higher backup-load requirements

ESY SUNHOME HM10

The ESY SUNHOME HM10 is a higher-output single-phase energy storage system designed for large homes with greater simultaneous electricity demand. It combines strong inverter output with flexible modular battery storage.

Key Features:

  • Up to 10 kW inverter and backup output
  • 5.12–30.72 kWh expandable battery capacity
  • Supports up to 18 kW of solar PV input
  • Generator-integration support
  • Intelligent air-cooling system
  • Smart app-based energy monitoring
  • Suitable for large homes with higher household loads

ESY SUNHOME HM12

The ESY SUNHOME HM12 is the highest-output single-phase model in the residential HM range. It is designed for larger properties that require stronger power delivery for multiple high-consumption household appliances.

Key Features:

  • Up to 12 kW inverter output
  • 5.12–30.72 kWh expandable battery capacity
  • Highest-output single-phase option in the HM range
  • Designed for multiple high-consumption appliances
  • Intelligent air-cooling system
  • IP66-rated weather-resistant enclosure
  • Suitable for large and high-demand single-phase properties

View HM5-MAX, HM10 & HM12 Datasheet

ESY Sunhome Three-Phase Battery Options

ESY SUNHOME also offers the HM10-H, HM15 and HM20 three-phase residential energy storage systems. These models provide inverter outputs from 10 kW to 20 kW and support battery capacity from approximately 10 kWh to 90 kWh, making them suitable for larger homes and properties with three-phase power. Model availability and system suitability should be confirmed before installation.

ESY Sunhome Battery Warranty

ESY Sunhome residential battery systems come with a 10-year manufacturer warranty in Australia. For the HM6, the warranty applies for 10 years or until the battery reaches 21,500 kWh of energy throughput per 5.12 kWh module, whichever occurs first. During the warranty period, the battery is expected to retain at least 70% of its original usable capacity.

Warranty coverage depends on correct installation, system registration and operation according to ESY Sunhome’s instructions. Unauthorised repairs, modifications or improper installation may affect warranty eligibility. Exact terms may vary by model and system configuration, so customers should review the current Australian warranty document supplied with their battery.

CEC Approval, Compatibility and Installation

Selected ESY SUNHOME single-phase battery configurations from approximately 5 kWh to 30 kWh and three-phase configurations from approximately 10 kWh to 90 kWh are included on the CEC approved battery list. Approval applies to exact model numbers and configurations, so the current listing should be confirmed before installation.

The ESY SUNHOME range combines hybrid inverters with modular battery storage for single-phase and three-phase properties. A qualified installer should check the property’s phase, solar system, switchboard, network limits and backup requirements before installation.

Pros and Cons of ESY SUNHOME Battery

Pros

  • Competitive pricing compared with many established battery brands
  • Expandable capacity from 5.12 kWh to 30.72 kWh
  • All-in-one battery and hybrid inverter design
  • LiFePOâ‚„ battery technology with IP66 protection
  • Blackout backup and smart app monitoring
  • 10-year manufacturer warranty

Cons

  • Relatively new brand in the Australian battery market
  • Adding more battery modules does not increase inverter output
  • Correct system sizing is important for high-power appliances
  • Less long-term Australian performance data than older brands
  • App and firmware performance may vary

Why Buy ESY SUNHOME Battery from Aussie Solar Tech?

Choosing the correct battery model is only one part of a successful energy-storage installation. The battery capacity, inverter power, solar input, backup circuits and network requirements must all be matched to the property.

Aussie Solar Tech can help with:

  • Personalised battery and inverter sizing
  • Professional system design
  • Qualified installation
  • Existing solar compatibility checks
  • Backup-load planning
  • CEC model and network-requirement checks
  • Competitive and transparent quotations
  • App setup and system commissioning
  • Warranty and after-sales assistance

Aussie Solar Tech supplies and installs solar batteries for Australian homes and businesses, with local support before and after installation. Customers benefit from accredited installation, competitive pricing, CEC-approved products, Australian warranties and reliable after-sales support.

Contact Aussie Solar Tech today for a free ESY Sunhome Battery quote tailored to your property, solar system, electricity usage and backup requirements.

Explore more solar battery products at Aussie Solar Tech.

ESY Sunhome Battery FAQs

Is the ESY SUNHOME Battery good?

The ESY SUNHOME Battery offers a strong combination of modular capacity, LiFePOâ‚„ chemistry, integrated hybrid inverter, blackout backup, IP66 protection and smart monitoring. Its suitability depends on selecting the correct inverter output and battery capacity for the property.

What ESY SUNHOME battery capacity can I install?

The single-phase HM Series can be configured with one to six 5.12 kWh battery modules. Available rated capacities are 5.12, 10.24, 15.36, 20.48, 25.60 and 30.72 kWh.

What is the difference between HM5 and HM6?

The main difference is inverter output. The HM5 provides up to 5 kW, while the HM6 provides up to 6 kW. Their battery capacity, physical dimensions, IP rating and general smart features are otherwise similar.

What is the difference between HM5-MAX and HM10?

Both use a higher-power inverter platform and support up to 10 kW of backup output. However, the HM5-MAX limits normal grid output to 5 kW, while the HM10 provides approximately 10 kW of grid output.

Is ESY SUNHOME CEC approved?

Selected ESY SUNHOME pre-assembled battery configurations are listed on the CEC approved battery list. Approval should always be checked using the exact model number and system configuration included in the quotation.

Can an ESY SUNHOME Battery provide power during a blackout?

Yes. The HM Series supports backup output with a listed switching time of approximately 20 milliseconds. The appliances that can operate during an outage depend on the inverter model, battery charge, backup-circuit design and simultaneous load.

Can the ESY SUNHOME Battery be installed outdoors?

The HM Series has an IP66-rated enclosure. However, the installation position must still comply with the manufacturer’s instructions, Australian battery-installation requirements and required clearances. Flood-prone or otherwise unsuitable locations should be avoided.

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Cheaper Home Batteries Rebate Calculator

Calculate your estimated Australian Federal Battery Discount under the Cheaper Home Batteries scheme instantly.

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Note: Minimum eligible capacity for rebate is 5 kWh. Maximum cap is 50 kWh usable.
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Total STCs: 91.8 Effective Rate: $272.00 / kWh
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* Calculation based on a fixed STC rate of $40 AUD and the 2026 federal base STC factor of 6.8 per kWh. Rebates apply tapering rules: 100% factor up to 14 kWh, 60% for >14–28 kWh, and 15% for >28–50 kWh usable capacity. Systems under 5 kWh are ineligible.
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