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Compare solar battery prices and system specifications with our regularly updated battery comparison table. Find which energy storage system may be best for your home or business, and discover how much a solar battery costs in 2023.
Hit ‘Expand’ for full screen. Scroll within the solar battery comparison tool to see all the rows and columns. See notes below the table. Any corrections, additions or feedback? Email us.
BYD Battery Box Premium HVM 13.8
Goodwe Lynx Home F Series LX F13.1-H
Yes, here. Covered under Valen's (importer's) policy.
No formal policy, says it audits manufacturers.
Yes, here (covered under Shell's).
Claims to have a plan to manage the risks, but details have not been provided.
Yes, covered under parent company EnBW.
Each battery’s approximate retail hardware cost is given on the third row of the table. The battery installation is not included and will generally cost from $1,500 for a simple install (all-in-one unit, next to the switchboard, two backup circuits) upwards. If you need a switchboard expansion, trenching, and long runs of cable, it can cost much more.
If the solar battery is cycled once per day, this is how much each warranted kilowatt-hour of stored electricity will cost. Once an individual product’s price per kilowatt-hour drops below 10 cents, battery storage will likely be a worthwhile investment for many households. This graph scrolls left to right – try it to see the really expensive units…
Cost per Total Warranted kWh (1 cycle per day)
We update this comparison table frequently as more business and home energy storage systems become available, and existing solar battery specifications and prices change.
Please note system pricing is our best estimate of retail prices inclusive of GST, unless specifically noted otherwise. But it is only an estimated cost.
TIP: If you’re not 100% certain what a kWh is, or don’t understand the difference between a kW (kilowatt – a measure of power) and a kWh (kilowatt-hour – a measure of energy), read this: The Difference Between Power And Energy. It’s important to be clear on the difference between the two when researching home battery storage or anything solar-related.
Usable capacity is the energy stored in a solar battery system that can be used. This can be less than the nominal storage capacity figure provided.
For example, the Tesla Powerwall has a total storage capacity of 14kWh, but the battery’s usable storage capacity is really 13.5kWh.
A solar battery’s power rating is how fast it can be charged or discharged.
For example, a Senec.HOME V3 Hybrid is a low-power solar battery storage system (also known as an ‘energy’ battery) because it takes a bit over 2.5 hours to discharge all its usable energy, while the BYD Battery Box Premium HVM 8.3 can fully discharge in a little over an hour.
A high-power home battery system isn’t necessarily more desirable than a low-power battery – your household’s energy usage needs will determine how much power you will require from a solar battery and the best energy storage solution for you.
Most home solar batteries are lithium-ion based chemistry, but various lithium-ion chemistries exist. The type widely considered the safest is lithium iron phosphate (LiFePO4).
But regardless of the chemistry, a solar battery is only as safe as the safety mechanisms built into it and the care taken in manufacturing; so chemistry type is just one aspect that should be considered when making a purchase decision in terms of safety.
It’s worth noting there have been very few fires in Australia involving new-generation home solar batteries to date, thanks to strict installation standards.
This means the system includes batteries, a battery management system (BMS) and an inverter. The SENEC.HOME V3 is one example of an all-in-one home energy storage system.
If a battery management system and/or inverter have to be purchased separately, this will add to the system’s total cost.
Links to a warranty document if it is available. Don’t buy a solar battery system until you have read the latest version of its warranty document sourced direct from the supplier. They change often, and the linked versions we provide above may not be the most current documents.
If you only discharge the battery once per day (most likely for batteries on a flat-rate tariff), then the warranty period may expire well before the warranted kWh level has been reached.
The number of kilowatt-hours (kWh) a home battery system can discharge per day is multiplied by the number of days in the warranty period to generate the total warranted kWh figures.
This is the solar battery price (excluding installation) divided by ‘Warranted kWh (1 cycle per day)’. If you discharge the battery approximately once per day, this number indicates what home energy storage system may be the most cost-effective in your circumstances.
This row indicates if we found the battery manufacturer has policies for addressing modern slavery/forced labour risks. TBD indicates yet to be determined, and “failed to respond” indicates our enquiries did not receive a reply. Where provided, an in-depth analysis of each battery manufacturer’s statement/policy has not been performed.
Some solar batteries in the table have different warranties for components within the unit. For example, some “all in one” home battery storage systems warrant the battery cells for 10 years, but the internal inverter only has a warranty of 5 years.
We use the ‘weakest link’ warranted figure (in the above example, 5 years instead of 10 years) when calculating the cost per warranted kWh.
Disclaimer: Although we strive to review the information in this comparison table regularly to keep it up-to-date and as accurate as possible, mistakes may be made. Prices and other figures/specifications can change very quickly, given the solar battery storage scene is quickly evolving in 2023.
Check with home battery manufacturers before making any solar storage purchase decisions based on the information provided in this table.
If you’re ready to buy a solar battery, I can help you get quotes for quality home energy storage systems from pre-vetted installers quickly and easily:
>> Next: How to buy a hybrid (solar + battery storage) system >>
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