Tesla Powerwall 2 – Home Battery Storage System

Elevate your home’s energy resilience with the Tesla Powerwall 2 a sleek, wall-mounted lithium-ion battery system that seamlessly integrates with solar panels or the grid. Designed to store 13.5 kWh of usable energy, it offers backup power, time-of-use savings, and energy independence with the reliability and innovation Tesla is known for. 

Key Features

• 13.5 kWh usable capacity (14 kWh total) — ample storage for nightly loads or outages. 

• 5 kW continuous / 7 kW peak output — provides power for daily household use and short burst loads. 

• AC-coupled design — installs easily in new or existing PV systems and supports whole-home backup. 

• Wall-or-floor mountable — compact 1150 × 753 mm footprint for versatile placement. 

• 10-year warranty — backed by Tesla’s reliability for long-term performance. 

Typical Specifications

• AC Voltage: 120/240 V nominal (US split-phase) 

• Round-trip efficiency: ~90% (AC to battery to AC) 

• Operating temperature: –20 °C to 50 °C (for 50 Hz version) 

• Scalability: Up to 10 units per system for expanded storage 

Applications

• Backup power during outages — seamlessly switches over with minimal interruption.

• Solar self-consumption — store solar excess and use it later to reduce grid dependency and lower bills.

• Time-of-use shifting — charge during low-cost hours, discharge during peak pricing.

• Large-load support — handles motors, HVAC, EV chargers with sufficient power capacity.

Why Choose Tesla Powerwall 2?

With proven reliability, sleek design, and full ecosystem integration via the Tesla app, Powerwall 2 is ideal for homeowners who want a high-performance, future-ready energy solution. Whether paired with rooftop solar or used as a stand-alone battery for backup and grid management, it delivers smart energy independence.

Document: Specification Sheet