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Home battery · Tesla · CEC approved October 2024
A 13.5 kWh home battery with backup power — smaller home size, the 10–15 kWh band.
The Tesla Powerwall 3 is Tesla's 2024 home energy storage system, featuring an integrated solar inverter and 11.5kW continuous power output. Suitable for Perth homes looking for an integrated battery solution with whole-home backup capability.
The numbers that matter for a home. The full datasheet is below.
Usable capacity
How much energy it stores for you to use
Continuous power
How much it can run at once — enough for a whole home, air conditioning included
Round-trip efficiency
How much of the energy you store comes back out
Depth of discharge
You can use the whole battery, not just part of it
Warranty
How long the manufacturer stands behind it
Battery chemistry
Lithium iron phosphate — the long-cycle-life type
Seven measures, each scored against every CEC-listed battery. The short bars are where it loses points. How it’s calculated
Depth of discharge
100% DOD - Full capacity is usable
15/15
Round-trip efficiency
97.5% efficiency - Top tier
15/15
Temperature performance
Max: 50°C | DOD@45°C: 100% | Eff@45°C: 95% | Liquid cooled - Excellent heat tolerance
13/15
Degradation rate
1.5%/year degradation - Excellent capacity retention
9/10
Warranty throughput
37.5 MWh | 10yr | 70% retention - Strong warranty coverage
15/20
Price per kWh
$1296/kWh (Premium) - Below tier expectations
4/10
Cycle life
No published cycle rating — scored at a conservative default
3/15
Works out to $0.48 per kWh over an estimated 36,563 kWh of delivered energy.
Every figure on file for the Tesla Powerwall 3, by section.
| Specification | Value |
|---|---|
| Technical specifications | |
| Dimensions | 1098 x 609 x 193 mm |
| Weight | 130 kg |
| Efficiency | 97.5% |
| Operating temperature | -20°C to 50°C |
| Warranty | 10 years |
| Cycles | Unlimited |
From the desk's notes on this model. Confirm against the manufacturer datasheet before relying on a value for a quote or installation.
10
years
37.5
MWh
50°
celsius
Level 2
Essentials
Tesla Australia
Direct manufacturer warranty. Australian consumer law applies.
Rated to 50°C, which covers Perth's hottest days.
Has active-liquid thermal management
CSIP-AUS compliant
Inverter must be CSIP-AUS compliant under the current WA framework.
Synergy SSL approved inverter
Needs pairing with a Synergy SSL approved inverter.
VPP activation ready
VPP activation requires a Synergy SSL approved inverter.
WA Battery Scheme rebate
Requires Battery Rewards participation under the current WA framework.
Synergy Battery Rewards
Requires a CSIP-AUS compliant system and reliable internet.
Interest-free loan
Not eligible for interest-free financing.
Under current WA rules, new rebate applications require VPP enrolment and CSIP-AUS compliance. How the scheme works · Estimate VPP earnings
11 years in the Australian market
Tesla's mobile app provides comprehensive monitoring of your Powerwall system with real-time energy flow, Storm Watch alerts, and intelligent time-based control to maximize savings. Integrates with Tesla vehicles for unified energy management.
$17,500
Typical installed price, before rebates
The WA rebate is $0 here: its built-in inverter isn't on Synergy's approved list. STCs assume about $39.9 a certificate. Estimates only; your quote will vary.
Usable capacity, for one battery system
This battery is one unit in the smaller home band. The WA rebate caps at 10 kWh, but that is a rebate limit, not a sizing guide.
Estimated federal rebate (STCs) for this 13.5 kWh battery
The Tesla Powerwall 3 against the closest-sized batteries from other brands.
| Specification | Tesla Powerwall 3Tesla | Freedom Won Freedom Won LiTE Home 15/12 52VFreedom Won | |
|---|---|---|---|
| Usable capacity? | 13.5 kWh | 13.5 kWh | 13.5 kWh |
| Continuous power? | 11.5 kW | Not verified | Not verified |
| Peak power? | 11.5 kW | Not verified | Not verified |
| Round-trip efficiency? | 98%best value | 92% | 92% |
| Warranty | 10 years | Not verified | Not verified |
| Chemistry | LFP | LFP | LFP |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
Other CEC-approved products from Tesla available in Australia.
1707000-10 kVA-13.5 (AS4777-2 2020)
10 kW · 1φ
1707000-10 kVA-27 (AS4777-2 2020)
10 kW · 1φ
1707000-10 kVA-40.5 (AS4777-2 2020)
10 kW · 1φ
1707000-10 kVA-54 (AS4777-2 2020)
10 kW · 1φ
1707000-10 kVA (AS4777-2 2020)
10 kW · 1φ
1707000-11.04 kVA-13.5 (AS4777-2 2020)
11.04 kW · 1φ
Get a quote from an installer from our network that covers your area. You choose whether to act on it. No obligation.
This model is one entry in the desk's index of solar batteries for Perth — every CEC-approved battery on one comparable dataset.
Product specifications, pricing, and availability are subject to change without notice. We make no warranties regarding product performance, longevity, or suitability for your specific needs.
Always verify specifications with the manufacturer and installer before purchase. Warranty terms are set by manufacturers and may have conditions not disclosed here. Battery performance degrades over time.