Your solar, after dark
Store the surplus your panels make through the day and run the house on it through the evening peak.
Battery landing page
Tesla Powerwall 3 battery systems
Store the solar you make by day and run your home on it after dark — with backup when the grid drops.
- 13.5 kWhUsable capacity
- 90%+Round-trip
- 10 yrWarranty
Powerwall 2 is discontinued, so this page should focus on Powerwall 3.
13.5 kWhUsable capacity
90%+Round-trip
10 yrWarranty
BackupBlackout-ready
Why Tesla Powerwall 3
Why this battery is worth it.
Where Tesla Powerwall 3 fits best, how it is sized and installed, and why Lightning Energy stands behind it as part of a complete energy system.
Keep the lights on
Backup-capable so your essential circuits ride through blackouts — configured properly at install.
Scales with your home
Modular capacity and warranty-backed for a decade of daily cycling as your loads grow.
Specifications
The numbers that matter.
Indicative specifications for Tesla Powerwall 3. Final figures depend on the exact model and configuration in your system design.
| Usable capacity | 13.5 kWh | Continuous power | 11.5 kW |
|---|---|---|---|
| Round-trip efficiency | 90%+ | Scalable | Yes, modular |
| Backup | Whole-home capable | Depth of discharge | 100% |
| Warranty | 10 years | Dimensions | 1105 × 609 × 193 mm |
Will it last
Guaranteed capacity for a decade.
Every battery loses a little capacity as it cycles. Tesla Powerwall 3 is warranted to hold a guaranteed share of its capacity for ten years of daily use — here is what that looks like.
10 yearsCapacity warranty
Guarantees the battery still holds at least 70% of its usable capacity at year 10.
DailyCycle cover
Rated for at least one full charge / discharge cycle every day across the warranty.
LocalWho you call
Lightning Energy handles the claim with Australian manufacturer support behind it.
On real walls
Tesla Powerwall 3, installed by Lightning.
Not stock imagery — real Tesla Powerwall 3 systems we have designed and installed across Victoria.
What it means for you
What a battery actually saves.
Indicative of what Tesla Powerwall 3 does for a typical solar home. Your numbers depend on usage, tariff, and system size.
~80%evening self-use
Peakrates avoided
Backupincluded
Day → nightenergy shift
~$1,200+saved / year
10 yrwarranty
Designed to work with
Honest comparison
How Tesla Powerwall 3 stacks up.
We fit every option below, so we have no reason to oversell one. Here is how Tesla Powerwall 3 compares against the rest of our range.
| Battery | Usable | Power | Warranty | Best for |
|---|---|---|---|---|
| Sigenergy | 8–48 kWh | 15 kW | 10 yr | Scalable, solar built-in |
| Tesla Powerwall 3 | 13.5 kWh | 11.5 kW | 10 yr | All-in-one, big backup |
| GoodWe ESA | 6.6–19.9 kWh | 6 kW | 10 yr | Flexible value stack |
| SolarEdge | 5.2–20.7 kWh | 7 kW | 10 yr | Modular value |
| Enphase | 9.7–19.4 kWh | 5 kW | 10 yr | Panel-level ecosystem |
| Anker | 5–20 kWh | 3.84 kW | 15 yr | Longest warranty |
Choose Tesla Powerwall 3 if
- Tesla Powerwall 3 matches the capacity and backup you actually need.
- You want to use more of your own solar and dodge peak tariffs.
- You want essential circuits to ride through blackouts.
Consider another option if
- You have little daytime solar surplus to store.
- You need a specific inverter-brand ecosystem match.
- Whole-home backup for long outages is the priority over daily savings.
How we install it
Specified inside a complete system.
Tesla Powerwall 3 is never sold as a box on its own. It is designed, installed, and handed over as part of your whole energy plan.
Assess
Usage, backup priorities, solar surplus, and switchboard mapped first.
Design
Tesla Powerwall 3 sized to your home, with backup circuits and code-compliant placement planned in.
Install & hand over
Commissioned, app connected, backup behaviour set and tested, warranty registered.
Available times
Talk to us about Tesla Powerwall 3.
Pick a time that works. We'll confirm whether Tesla Powerwall 3 is the right fit, size it to your home, and walk through rebates and the install.
