Tesla Powerwall 3 Expansion Unit – Add-on Battery for Energy Storage

Tesla Powerwall 3 Expansion Unit – Add-on Battery for Energy Storage | CSE Solar USA

Product Description

Expand your home’s energy capacity with the Tesla Powerwall 3 Expansion Unit, engineered to pair seamlessly with your existing Powerwall 3 system. This add-on battery delivers an additional 13.5 kWh of usable storage—perfect for homeowners who need more backup power, greater solar utilization, or support for growing energy demands.

The expansion unit does not include an inverter, as it connects directly to the main Powerwall 3, using its integrated inverter for operation. For installation, a Wall Mount & Harness Kit is required and sold separately. Whether you’re preparing for longer outages or upgrading your system capacity, this expansion module is designed to scale effortlessly with your home energy needs.

Key Features & Benefits

• ✅ 13.5 kWh Additional Energy Storage – Expand your total system capacity

• ✅ No Additional Inverter Needed – Uses Powerwall 3’s built-in inverter

• ✅ Wall Mount & Harness Kit Available – Required for installation (sold separately)

• ✅ Modular, Stackable Design – Add multiple expansion units as needed

• ✅ Reliable Whole-Home Backup Support – Extend protection during outages

• ✅ Sleek, Matching Design – Aligns perfectly with Powerwall 3 aesthetics

• ✅ Backed by a 10-Year Warranty – Long-term performance assurance from Tesla

Specifications

Shipping Info

• Dimensions: 43.25 in (H) × 24 in (W) × 6.25 in (D)

• Weight: 287 lbs