SOLAR BATTERY STORAGE SYSTEM
13KWh
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$4,199*
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13kWh Solar Battery
A 13kWh solar battery is basically a home energy storage unit that holds the solar power your panels make during the day, so you can use it later on—like at night, when it’s cloudy, or if the power goes out. It can store up to 13 kilowatt-hours of electricity, which is a decent amount for most Australian homes.
If you’re someone who’s trying to cut down on power bills or just wants to use more of your own solar energy, this battery size hits a pretty good balance. It’s not too small that you run out of power quickly, and not so big that you’re paying for extra capacity you don’t need. That’s why a lot of Aussie households are choosing the 13kWh—it’s just the right size for those who want more independence from the grid without going completely off-grid.
DISCOVER THE BEST SOLAR BATTERY FOR YOUR SOLAR SYSTEM
6KWh
Solar Battery
Just right for most family homes
$
3,199
*
Small Home
- Complete Energy Solution
- 24/7 Power Backup
- Seamless Integration
- High-Quality Energy Storage
10KWh
Solar Battery
Medium homes and small business
$
3,999
*
Medium Home
- Complete Energy Solution
- 24/7 Power Backup
- Seamless Integration
- High-Quality Energy Storage
13KWh
Solar Battery
Larger homes and small businesses
$
4,199
*
Big Family Home
- Complete Energy Solution
- 24/7 Power Backup
- Seamless Integration
- High-Quality Energy Storage
How Much Energy Does 13kWh Provide?
A fully charged 13kWh Solar battery can power quite a few things around your home. To give you a rough idea:
- A fridge might use about 1.2kWh per day
- Lights around the house? Maybe 0.6kWh overnight if they’re energy-efficient
- Watching TV for a few hours? Around 0.5kWh
- One load of laundry? About 1kWh
So if you’re running a household with three or four people, a 13kWh battery can usually handle your basic night-time energy use—like keeping the fridge going, watching some telly, doing the laundry, and keeping the lights on. If you’ve got bigger energy needs—like charging an EV or running a ducted air con system—you’ll probably still need some power from the grid, but this battery will still take a big chunk off your bill.
Ideal Use Cases for a 13kWh Battery
There’s no one-size-fits-all, but a 13kWh battery works well for a lot of Australian homes. It’s especially handy if:
- You and your family are out during the day and use more electricity in the evenings
- You’re trying to cut down how much electricity you buy from the grid
- You’re on a time-of-use tariff and want to avoid paying peak rates
- You want backup power in case of blackouts
- Your solar system is in the mid-range—something like 6kW to 10kW
Whether you’re living in the suburbs of Melbourne, a rural town in NSW, or somewhere up in Queensland, this size gives you good flexibility for day-to-day needs.
What is Kilowatt-Hour (kWh)?
If you’re new to solar energy, the term kWh might seem a little technical. But it’s actually quite simple. A kilowatt-hour (kWh) is a unit that measures how much energy you use over time. For example, running a 1,000-watt appliance (like a heater or microwave) for one hour equals 1 kWh.
So, when you see a 13kWh solar battery, it means the battery can store and deliver up to 13 kilowatt-hours of energy. That could power a 1,000-watt appliance for 13 hours, or higher-powered devices for a shorter time. It’s all about how much energy is stored — not how fast it’s used.
Advantages of a 13kWh Solar Battery
Greater energy independence – You’re less tied to the grid, which gives you more control over how and when you use electricity.
Lower power bills – Use your own stored solar energy during peak hours instead of paying top rates.
Backup during blackouts – Many batteries let you keep essentials running when the power’s out.
Eco-friendly – Makes better use of your solar, reducing reliance on fossil fuels.
Fits most setups – Can work with both new and existing solar systems.
Disadvantages to Consider
Upfront cost – These batteries aren’t cheap, even though prices have come down in recent years.
Installation adds to the total – Depending on your system, wiring, and layout, setup might cost a bit extra.
May not always fully charge – If your solar panels don’t produce a lot of excess energy, the battery might not fill up every day.
Slow degradation – Over time, like any battery, it slowly loses some capacity—but decent warranties help cover that.
Is 13kWh Enough for an Australian Home?
For many Aussie homes, yes, it is. According to energy regulators, average daily use is around 15–20kWh. A 13kWh battery, when paired with a solid solar panel setup, can go a long way in covering night-time needs and reducing what you draw from the grid.
In summer, when your panels produce more than you can use during the day, the battery stores that surplus. Then, when the sun goes down, you’re still powered. In winter or on overcast weeks, you might still rely on the grid here and there—but the battery still helps you save.
13kWh Solar Battery Price in Australia
The starting price for a 13kWh battery in Australia is usually around A$4,199, though the final figure depends on the brand and features you go for. High-end models with backup support, better software, or more advanced battery chemistry will naturally cost more.
Brands you’ll often come across in Australia include Tesla Powerwall, Sungrow, Sigenergy, SolarEdge, and LG Chem. Each has different perks—like remote monitoring, blackout protection, or expandable capacity—so it’s worth comparing what suits your home best.
Installation Costs
Professional installation is essential, and you should always use a CEC-accredited installer. On average, setting up a 13kWh battery will cost you somewhere between A$1,000 and A$3,000. The price depends on a few things:
- Are you adding a battery to an existing solar system or doing it all at once?
- Do you need a new inverter, or will the current one work?
- Wall-mounting or floor-mounting?
- Any switchboard upgrades needed?
A proper install makes a big difference in safety and long-term performance.
Lifespan and Warranty
Most quality 13kWh batteries last between 10 to 15 years, depending on how you use them and the brand. Warranties often cover around 5,000 to 10,000 charge cycles or up to 10 years—whichever comes first.
To get the most life out of your battery:
- Choose a reputable brand with a strong warranty
- Install it in a spot that’s sheltered and stays cool
- Use the monitoring app to keep an eye on performance and catch any issues e
Frequently Asked Questions
Q1: How long does a 13kWh battery last during use?
A: Typically 8–12 hours, depending on your power usage.
Q2: Is 13kWh enough for an average Australian home?
A: Yes, for most homes with daily usage between 10–20kWh.
Q3: Can I go off-grid with a 13kWh battery?
A: It’s possible for small homes or weekend cabins, but not ideal for high-consumption households.
Q4: What is the lifespan of a 13kWh solar battery?
A: Usually 10–15 years, depending on brand and usage.
Q5: Can I add more batteries later if 13kWh isn’t enough?
A: Yes, most systems are expandable.
Q6: Does a 13kWh battery work during a blackout?
A: Yes, if it has backup capability and proper installation.
WE INSTALL CEC APPROVED POPULAR SOLAR BATTERIES IN AUSTRALIA
- Tesla Powerwall
Great for storing solar energy at home because it is very efficient and lasts a long time.
- Sungrow Battery
Works well and is affordable. It can be used in homes and businesses.
- Sigenergy Battery
A dependable storage option that focuses on being eco-friendly and simple to use.
- SolarEdge Battery
Works best with SolarEdge inverters and gives you excellent monitoring and control
- LG Chem Battery
Reliable and powerful. Perfect for homes or small businesses needing long-lasting backup.
- Hinen Battery
An affordable and efficient battery solution that suits everyday solar energy needs—simple, smart, and easy to use.