The Tesla Powerwall 3AC Solution is a flexible AC battery system designed for standalone energy storage or AC-coupled solar installations. With 13.5kWh of usable storage, 5kW of AC output and modular expansion capability, Powerwall 3 AC delivers a simple, scalable and intelligent home battery solution for Australian households.
Manufactured in the USA, Powerwall 3AC is designed for fast installation, flexible system design and reliable backup operation. Classified as an Energy Storage System, it provides greater design flexibility for homes with existing solar, new AC-coupled solar systems, or customers looking to add battery storage without replacing their current inverter.
Key Features
Flexible AC Battery Design
Purpose-built for standalone storage or AC-coupled solar configurations, Powerwall 3AC integrates easily with new or existing solar systems without requiring DC-coupled solar input.
Energy Storage System Classification
With a 5kW maximum output and no DC-coupled solar inverter, Powerwall 3AC is classified as an ESS, supporting greater inverter capacity flexibility in suitable system designs.
Reliable Home Backup
13.5kWh of usable AC battery energy and 5kW continuous AC output help keep essential household loads powered during outages, with support for both whole-home and partial-home backup configurations.
Automatic Backup Control
Backup Gateway 2 provides energy management, monitoring and backup operation. It detects grid outages, controls connection to the grid and enables Powerwall 3AC to provide backup power when required.
Modular Expansion Capability
Start with 13.5kWh of storage and expand using Powerwall 3 Expansion units. A Powerwall 3AC can be configured with up to three expansion units for up to 54kWh of storage, with system designs supporting up to four Powerwall 3AC units and up to seven total units where permitted.
Built for Australian Conditions
Powerwall 3AC is indoor and outdoor rated, with an operating temperature range of -20°C to 50°C. The battery and power electronics are IP67 rated, with an IP55 enclosure and wiring compartment protection, making it suitable for a wide range of Australian environments.
Smart Energy Management
The Tesla App provides real-time monitoring and control, including solar self-consumption, time-based control and backup reserve management to help households get more from their stored energy.
Premium Tesla Engineering
Powerwall 3 AC features Tesla’s refined glass-front design, compact wall or floor mounting options, integrated communications via Wi-Fi, Ethernet and cellular, and revenue-grade AC metering.
Long-Term Manufacturer Backing
Powerwall 3AC is backed by a 10-year warranty and designed to integrate with Tesla’s broader residential energy ecosystem.
Why Choose the Tesla Powerwall 3AC Solution?
Powerwall 3AC is ideal for households that want a flexible battery solution for existing solar, AC-coupled solar or standalone energy storage. It delivers reliable backup capability, smart energy management and simple modular expansion without the need to replace an existing solar inverter.
For Australian homes looking to improve energy independence, prepare for outages and support the shift toward electrification, Powerwall 3AC offers a future-ready storage platform backed by Tesla’s global energy technology and proven product design.
Tesla Energy
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