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Batteries

You want continued energy-saving success into the evening, perhaps even blackout protection. We understand. Your missing link is a solar battery. For your convenience, our solar battery deals include base installation costs.
Tesla Powerwall 3

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Choose your ideal solar battery

Did you know batteries now provide bill reduction and improved energy security without solar panels based on selected Synergy tariffs? Blackout protection options are a bonus. Perth Solar Warehouse solar battery deals accommodate various power needs as an ideal solution. 

Get the best solar battery deals. Here’s quick access to our latest catalogue ›

1. Choose your battery

Influencing your ideal solar battery: (1) Your required storage capacity, (2) Blackout protection features (3) Solar generation options, and (4) Improved energy management. The initial categorisation should determine whether an AC or DC-coupled battery suits your scenario.

Insights: AC Coupled Batteries

Perth Solar Warehouse provides three highly regarded AC-coupled batteries with a defined global market impact toward manufacturer bankability. Customers should assess every battery’s full product warranty, features, and useable kWH to determine its value. 

Guides:

We’ve compiled certain AC-coupled solar battery reviews (guides) to assist in navigating the variances between models: Tesla, Sigenergy, and Alpha ESS.

You have an existing solar energy system without a hybrid inverter and would like to reduce the amount of solar energy you export to the grid. 

OR, you can’t install solar but want the benefits of a battery, such as blackout protection, enhanced energy management features, and bill reduction by shifting away from the Synergy Home Plan A1 tariff.

Comprised of a DC battery and AC output inverter within the one box. AC coupled batteries now have storage capacity expansion options on the DC side reducing cost-per-kWh through scaled back components.

Because of this flexibility, AC-coupled batteries are becoming more commonly referred to as ‘AC & DC coupled’ batteries.

When considering upfront costs including peripherals and installation. AC-coupled batteries are equiped with more expansive functions and energy storage density improving cost-per-kWh.

Tesla Powerwall 3

$11,990+ | Options ›

13.5 kWh, $888 p/kWh

27 kWh, $888 p/kWh

5kWh Sigen Controller by Perth Solar Warehouse

Sigenergy SigenStor

$3,990+ | Options ›

5.2 kWh, $767 p/kWh

7.8 kWh, $639 p/kWh

Alpha ESS

$3,490+ | Options ›

4.75 kWh, $735 p/kWh

13.3 kWh, $563 p/kWh

Insights: DC Coupled Batteries

Perth Solar Warehouse provides four leading-brand DC coupled batteries with hybrid inverter compatibility within our range.

Compatibilities:

  • Goodwe Lynx Home F series: Goodwe EH and ET hybrid inverters.
  • Sungrow SBR HV: Sungrow RS and RT hybrid inverters.
  • BYD HVS/HVM: Fronius GEN24 range, Goodwe EH and ET models.
  • Growatt APX HV: Growatt XH series inverters.

You have an existing solar energy system with a compatible hybrid solar and battery inverter that you would like to add simplified storage capacity to.

OR, you are installing a new solar energy system and want to increase solar capacity above STC and grid limitations [Note: selected AC-coupled batteries are now also approved achieve a similar oversizing loophole].

The most significant appeal of DC-coupled batteries is the cost-per-kWh when increasing energy density. This improved storage affordability comes at the expense of reduced features.

DC-coupled batteries are simplified battery-only systems with reduced features compared to AC-coupled batteries because the [hybrid] inverter governs the function.

That means that when opting for a hybrid inverter with solar [initially] to accomodate future batteries, it’s important to understand the limitations when adding DC coupled batteries if a feature rich sustainable energy solution is required.

Due to the scaled back nature, DC coupled solar batteries by Perth Solar Warehouse provide the best value cost-per-kWh for energy storage. However, this is often balanced out when considering additional hardware in hybrid inverter costs and blackout protection features if required.

Goodwe Lynx 19 solar battery

Goodwe Lynx Home F

from $4,990+ | Options ›

6.6 kWh, $756 p/kWh

16.4 kWh, $670 p/kWh

Sungrow SBR HV solar battery front view render for solar batteries by Perth Solar Warehouse

Sungrow SBR HV

from $5,790+ | Options ›

6.4 kWh, $904 p/kWh

16 kWh, $736 p/kWh

BYD Energy Storage Perth Solar Warehouse

BYD HVM

from $9,490+ | Options ›

11 kWh, $863 p/kWh

19.3 kWh, $802 p/kWh

Growatt APX-HV Battery

Growatt APX HV

from $4,490+ | Available

5 kWh, $898 p/kWh

15 kWh, $766 p/kWh

(+) Add installation plus peripherals

We hate spam as much as you do. Understandably, customers prefer to supply different levels of information when seeking deeper product and pricing insight. Express quotes (more information) automatically receive a copy of the latest catalogue (less information) with our most up-to-date promotional pricing: Perth and Bunbury region, Western Australia. 

2. Consider solar

Only if needed. If you’re happy with your existing system or a preferred Synergy electricity tariff, we’ll do our best to accommodate a battery. If you don’t have existing solar (or need an upgrade), we think these packages are pretty hard to ignore alongside Perth’s best solar battery deals.

3. Electric vehicle charging

Electrifying your world has never been more exciting. From basic to solar-optimised EV chargers, the best solution is often an EV charger that matches your solar inverter brand, complimenting an all-in-one energy ecosystem solution. When you’re ready, we’re ready.

Tesla Inverters Batteries by Perth Solar Warehouse-1

Tesla Wall Connector

$770+

7 or 11 kWh charging

Sigen EV AC Charger

from $1290+

7, 11 or 22 kWh charging

Available ›

Fronius Wattpilot EV Charger front view render for EV Chargers by Perth Solar Warehouse

Fronius Wattpilot

from $1290+

7, 11 or 22 kWh charging

Goodwe HCA

from $990+

7, 11 or 22 kW charging

Growatt EV Charger by Perth Solar Warehouse

Growatt Thor

from $990+

7 kW or 11 kW EV Charging

Available›

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A more dependable guarantee delivered by Perth Solar Warehouse

We’re committed to delivering more than the best solar battery deals Perth home and business owners enjoy. Locals like you, we’re invested in being your one-stop shop for future leading-brand product options on an electrification shift with a major local business appeal. Every battery system installed by Perth Solar Warehouse is a commitment to enduring energy savings and the greater Perth community, backed by over twenty years of supporting business history.

Assisting deeper peace of mind, Perth Solar Warehouse’s workmanship and balance-of-materials guarantee complements the solar battery manufacturer guarantees ensuring no out-of-pocket expense under system warranty conditions. 

Frequent questions; Solar Batteries

Three potential avenues exist for solar battery rebates in 2025. Their current status of availability in Western Australia is as follows:

  • Federal (Government): n/a
  • State (Government): n/a
  • Manufacturer (non Government): limited

Given the variable nature of solar battery rebates, we’ve developed a central post reflecting the solar battery rebate options available in Western Australia as they unfold.

Solar battery rebates/ subsidies ›

Quite Likely. If you qualify for the Distributed Energy Buyback Scheme (DEBS), you can receive 2c off-peak and 10c peak for each unit (kWh) exported to the grid by your solar energy system.

As long as the battery is set to zero export and the solar inverter capacity isn’t being increased, eligible customers should still qualify for DEBS (subject to Synergy approval).

Related Post: Navigating the Synergy Solar Feed-in Tariff With Ease ›

Yes. Because advertised system sizes in solar vs battery are entirely different.

Solar energy systems are advertised in kW. Kilowatts (kW) is the maximum peak power the combined system can produce at Standard Test Conditions.

Battery systems are sized by kWh. Kilowatt-hours (kWh) more accurately reflect power over time (a battery’s storage capacity). The inverter to which a battery is connected determines its peak power.

For example: combining a 13.5 kWh Tesla Powerwall with a 6.6 kW solar system is entirely acceptable. Because the 6.6 kW solar energy system produces an average of 30 kWh per day (power over time), resulting in the ability to store almost half your average daily solar generation yield.

It depends on how you use your power. Most solar batteries come in different sizes, but they all have a limited capacity. You choose your investment based on your stored energy needs. Cheaper batteries often have a reduced useable storage capacity compared to more moderately priced batteries. Cost-per-kWh is a better way to normalise battery comparison costs: Cost ÷ useable kWh.

When the battery’s stored capacity (kWh) or maximum rated power output (kW), the energy consumed comes from other sources (solar or grid), and the battery becomes ineffective for its intended purpose.

Sales Support can provide detailed bill reduction estimates based on your past energy patterns and ideal battery size/investment. The more information you provide, including approximate time of day energy consumption, the more accurate our modelling can be for you.

3-phase power supplies are trickier than single-phase power supplies.

To keep it simple, single-phase battery systems can work with 3-phase power while still providing energy savings across all 3-phases, thanks to net metering here in Western Australia. However, if you require blackout protection, only one phase can be supportedTesla Powerwall does this brilliantly.

If all three phases must be supported in the event of a blackout, the best battery options are potentially DC-coupled batteries, as their output is governed by the connected inverter.

2025: Sigenergy SigenStor is a new battery on the Australian market that has proven to be one of the most adaptable for three-phase power supplies. Customer satisfaction is equally impressive.

Yes. It’s all about battery selection, though. An AC-coupled battery is the easiest battery to add to an existing solar energy system.

Battery options broaden slightly if you possess an existing hybrid inverter. These are referred to as DC-coupled batteries. However, options in this format are limited by the inverter you have in place.

*Conditions:

+/1. The price listed is for the product only, plus (value+) installation costs within PSW Installation Zone 1. Installation costs are quoted on a job-by-job basis; inquire or learn more.

2. Generation figures are general only, based on historical Zone 3 annual average irradiance data. Figures may not represent precise daily generation data. Customers should obtain site-specific average generation data for their particular system size and solar orientation. To obtain this information, contact sales support.

3. Perth Solar Warehouse reserves the right not to accept selected jobs irrelevant to installations meeting base criteria or advertised prices without reason. 

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