All-in-one, pre-wired single-phase design
The hybrid inverter, LFP battery and EMS are integrated into one modular unit, streamlining installation compared with separately sourced components.
Solar Battery·GoodWe
GoodWe ESA Series — Single-Phase All-in-One Home Battery
The GoodWe ESA Series 3–10kW is the single-phase version of GoodWe’s all-in-one home energy storage system, bringing the hybrid inverter, LFP battery and an intelligent energy management system (EMS) together in one factory pre-wired unit. It uses the same proven ESA battery modules as the three-phase model, in a package designed for the single-phase supply found in most Australian homes.
It is fully modular: start with a single battery module and expand up to 48 kWh on one inverter, or add stacks in parallel for even more. With six inverter sizes from 3 kW to 10 kW, the system can be matched precisely to your home, and whole-home backup keeps you running through outages.
This page explains what the single-phase ESA is, who it suits, every key specification, what those numbers mean for your home, and the technical terms behind them, so you can decide with confidence before requesting a quote from Sunbridge Energy.
Why choose the GoodWe ESA Series 3–10kW (Single-Phase)
Six inverter sizes, 3–10 kW
Choose from 3, 3.6, 5, 6, 8 or 10 kW to match your home and solar precisely, all on a single-phase 220–240 V supply.
Modular up to 48 kWh
Use 5 kWh and 8 kWh battery modules (with 6 and 9 kWh options) and expand up to 48 kWh on one inverter, or add stacks in parallel for more.
Whole-home backup under 4 ms
Up to 63 A bypass current supports whole-home backup, and the system switches to battery in under 4 milliseconds during an outage.
LFP safety and long life
LFP modules with 6-layer safety protection and AFCI, rated for ≥ 8,000 cycles (≥ 10,000 on selected modules) and supporting up to 1C charging.
10 + 10 year warranty
Backed by a 10-year product warranty and a 10-year performance warranty (≥ 70% usable energy, or a 3 MWh/kWh throughput, whichever comes first).
Who the GoodWe ESA Series 3–10kW (Single-Phase) is for
Standard single-phase homes
Most Australian homes are on a single-phase supply. The 3–10 kW ESA range covers everything from compact homes to large single-phase households.
Solar self-consumption
Homes with rooftop solar that want to store daytime generation and use it across the evening peak instead of exporting it cheaply.
Whole-home backup
Households that want dependable backup, with up to 63 A bypass for whole-home backup and a switchover under 4 ms.
Start small, expand later
Homes that want to begin with a sensible capacity and grow up to 48 kWh on one inverter — or more with parallel stacks — over time.
Maximum self-sufficiency
Households chasing energy independence who want to store as much solar as possible and minimise grid use, with on-grid and off-grid capability.
Rebate-focused buyers
Buyers who want a CEC-approved, well-supported battery from a major manufacturer to make the most of available rebates.
Key specifications
Battery
- Chemistry
- LFP (LiFePO₄)
- Battery module options
- 5 / 6 / 8 / 9 kWh (nominal)
- Rated energy per module
- 5.12 / 6.0 / 8.32 / 9.0 kWh
- Usable energy per module
- 5.0 / 5.8 / 8.0 / 8.7 kWh
- Depth of discharge (DoD)
- 98%
- Total capacity
- Up to 48 kWh per inverter (more with parallel stacks)
- Cycle life
- ≥ 8,000 cycles (≥ 10,000 on selected modules)
- Battery ingress protection
- IP66
Inverter & power
- Inverter type
- Single-phase hybrid (all-in-one)
- Rated power
- 3 / 3.6 / 5 / 6 / 8 / 10 kW
- Output voltage
- 220 / 230 / 240 V, L / N / PE
- Battery-to-AC efficiency
- 98.0%
- European efficiency
- Up to 97.0%
- Charge / discharge rate
- Up to 1C
- Ingress protection
- IP66
Backup & safety
- Backup switchover
- < 4 ms
- Whole-home backup
- Up to 63 A bypass
- Grid operation
- On-grid & off-grid
- Protection
- 6-layer safety, AFCI
Warranty
- Product warranty
- 10 years
- Performance warranty
- ≥ 70% usable energy (or 3 MWh per kWh throughput)
Specifications are based on the GoodWe ESA Series 3–10 kW single-phase Australian datasheet and the GoodWe BAT Series warranty. Exact figures depend on the chosen configuration and battery modules; Sunbridge will confirm the right setup for your home.
What the numbers mean for your home
98% depth of discharge
Depth of discharge (DoD) is how much of the battery you can use. At 98% DoD you can draw almost the entire battery — about 5.0 kWh of usable energy from each 5.12 kWh module — confirmed on the GoodWe Australian datasheet and the CEC Approved Batteries list.
Six inverter sizes (3–10 kW)
Matching the inverter to your home and solar avoids paying for capacity you do not need, while ensuring the system can charge and discharge fast enough for your loads.
Backup switchover under 4 ms
When the grid drops, the change-over to battery is so fast your lights, fridge and Wi-Fi will not even flicker.
Up to 63 A bypass whole-home backup
Rather than backing up a few selected circuits, the system can support the whole home during an outage, subject to your switchboard and load profile.
Up to 1C charge / discharge
The battery can charge or discharge close to its full capacity in about an hour, keeping up with high household demand and fast solar charging.
IP66 rating
Rated for full outdoor installation — dust-tight and protected against powerful water jets — so it can be mounted on an external wall.
A deeper look at the technology
The single-phase all-in-one ESA
The single-phase ESA brings the hybrid inverter, LFP battery and EMS into one pre-wired unit, with six inverter sizes from 3 kW to 10 kW to suit single-phase Australian homes. It uses the same ESA battery modules as the three-phase model, so you get the same proven cells and safety, sized for a single-phase supply.
The system is modular: start with a single module and expand up to 48 kWh on one inverter, or add stacks in parallel for larger needs. An AI-driven EMS shifts your energy use toward the cheapest tariff periods to get more value from every kilowatt-hour.
Whole-home backup and safety
With up to 63 A of bypass current, the ESA can back up the whole home rather than just a few circuits, switching to battery in under 4 milliseconds when the grid fails — fast enough that sensitive electronics keep running.
The battery uses LFP chemistry with 6-layer safety protection and AFCI arc-fault detection, is rated IP66 for outdoor installation, and is certified to international battery and inverter standards including the Australian RCM mark.
Long life and strong warranty
The ESA modules are rated for at least 8,000 cycles (up to 10,000 on selected modules) — at roughly one cycle a day, well over two decades of daily cycling — and support up to 1C charge and discharge.
GoodWe backs the battery with a 10-year product warranty and a 10-year performance warranty: it retains at least 70% of usable energy, or until it reaches a guaranteed throughput of 3 MWh per kWh of usable capacity, whichever comes first.
Key terms explained
Shopping for a home battery means wading through technical jargon. Here is what the most important terms on this page actually mean.
kW vs kWh
A kilowatt (kW) measures power — how much the system can deliver at any instant. A kilowatt-hour (kWh) measures energy — how much it can store or deliver over time. A 10 kW / 20 kWh system can push 10 kW and hold 20 kWh, roughly enough to run a 10 kW load for two hours.
LFP (LiFePO₄)
Lithium iron phosphate, a lithium battery chemistry prized for thermal stability, safety and long cycle life. It is the preferred chemistry for residential storage.
Hybrid inverter
A single inverter that manages solar panels, the battery and the grid together, rather than needing separate solar and battery inverters.
High-voltage (HV) battery
A battery built from many cells in series to reach a high system voltage (often 400–800 V). Higher voltage means lower current for the same power, which reduces losses and can improve efficiency.
Depth of Discharge (DoD)
How much of a battery’s capacity you can safely use. 95% DoD means 95% of the rated capacity is usable; 100% means all of it.
Usable vs nominal capacity
Nominal capacity is the battery’s total energy on paper; usable capacity is what you can actually draw after the DoD limit. Always compare batteries on usable kWh.
Cycle life
The number of full charge-and-discharge cycles a battery can perform while staying within its warranty performance. Roughly one cycle per day of normal use.
Round-trip efficiency
The share of energy you get back out of the battery compared with what you put in. Higher efficiency means less energy lost as heat during storage.
C-rate (1C)
How fast a battery charges or discharges relative to its capacity. 1C means it can charge or discharge its full capacity in about one hour.
MPPT
Maximum Power Point Tracking — circuitry that constantly tunes each solar string to extract the most power. More MPPTs let panels on different roof faces perform independently.
Three-phase vs single-phase
Single-phase supply has one active wire and suits most smaller homes; three-phase has three and suits larger or all-electric homes with heavier loads. The battery must match your supply type.
Unbalanced load
In a three-phase home, when the three phases draw different amounts of power. A system that supports unbalanced loads can back up appliances even when the phases are uneven.
Backup / anti-islanding
Backup power runs your home during a grid outage. Anti-islanding is the safety function that stops the system feeding the grid during an outage, protecting line workers.
VPP (Virtual Power Plant)
A network of home batteries an energy provider can call on at peak times. Joining a VPP can earn you payments or credits for sharing stored energy back to the grid.
IP rating (e.g. IP65)
An Ingress Protection rating. The first digit is dust protection (6 = dust-tight), the second is water protection. An IP65/IP66 unit can be installed outdoors.
Rebates, payback and savings
As a Clean Energy Council approved battery, the GoodWe ESA is eligible for the government rebates and incentives that require CEC-listed products. These change over time and vary by state and household, and the right rebate can meaningfully shorten your payback period.
Sunbridge handles rebate guidance as part of the quote process: we check current eligibility, factor available incentives into your system design, and show you the expected payback based on your actual usage. See our battery rebate guidance for more, and we will confirm what applies to your address when you request a quote.
Read our battery rebate guidance →
Installation and support by Sunbridge
Sunbridge designs every ESA system around your home rather than selling a fixed package. We start by analysing your electricity bills and smart-meter usage data to understand how and when you use power, then size the inverter and battery — and plan your expansion path — to match.
Installation is carried out by accredited installers to Australian standards, including switchboard and backup configuration, commissioning and testing, and a full handover so you know how to use the SolarGo app. We also provide ongoing support and monitoring for the life of the system.
Warranty
The GoodWe ESA battery modules are covered by GoodWe’s Limited Warranty for the BAT Series, which has two parts.
A 10-year product warranty covers the hardware — the electronics and enclosure — against defects. A 10-year performance warranty guarantees that, over ten years, the battery retains at least 70% of its usable energy, or until it reaches its minimum guaranteed energy throughput of 3 MWh for every kWh of usable battery capacity, whichever comes first.
These are the manufacturer’s terms; your guarantees under the Australian Consumer Law apply in addition. Sunbridge confirms the warranty terms for your configuration and registers the warranty on your behalf as part of the installation.
Frequently asked questions
Is this GoodWe ESA single-phase or three-phase?
This is the single-phase ESA, available from 3 kW to 10 kW, suited to most standard Australian homes. GoodWe also makes a three-phase ESA (5–30 kW) for larger or three-phase homes.
How much capacity can it hold?
It is modular — start with a single 5–9 kWh module and expand up to 48 kWh on one inverter, with more available using parallel stacks.
What is the depth of discharge?
The ESA battery has a 98% depth of discharge, so about 5.0 kWh is usable from each 5.12 kWh module, as confirmed on the GoodWe Australian datasheet and the CEC Approved Batteries list.
Can it back up my whole home?
Yes. With up to 63 A bypass it supports whole-home backup and switches to battery power in under 4 milliseconds during an outage, subject to your switchboard and load profile.
What battery chemistry does it use, and is it safe?
It uses LFP (lithium iron phosphate / LiFePO₄) with 6-layer safety protection, AFCI arc-fault detection and an IP66 rating, certified to international standards and the Australian RCM mark.
Is it eligible for a battery rebate?
It can be, depending on current government incentives and your state and household circumstances. Sunbridge checks eligibility and factors any available rebate into your quote and payback estimate.
How long is the warranty?
A 10-year product warranty plus a 10-year performance warranty guaranteeing at least 70% usable energy, or a throughput of 3 MWh per kWh of usable capacity, whichever comes first. Australian Consumer Law guarantees also apply.
Can it work during a blackout or off-grid?
Yes. It supports on-grid and off-grid operation and can be configured for whole-home backup and off-grid use.
Interested in the GoodWe ESA Series 3–10kW (Single-Phase)?
Talk to Sunbridge Energy about design, installation and a quote tailored to your home.