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How much is a Tesla solar powerwall?

The Cost of the Tesla Powerwall Powerwalls Installed Powerwall Price Discount 1 $11,500 $0 2 $18,500 $4,500 3 $25,500 $9,000 4 $32,500 $13,500 6 more rows •

architecturaldigest.com - How Much Does the Tesla Powerwall Cost? (2022) - Architectural Digest

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Tesla Powerwall: Key Features and Specs

The Tesla Powerwall 2 and Powerwall+ share several features but differ in power output, system compatibility, and more. Here’s how the models compare on key attributes.

Battery Capacity and Chemistry

The Tesla Powerwall is a lithium-ion battery that uses lithium nickel manganese cobalt oxide (NMC) technology. NMC batteries are the most common solar battery, lasting up to 12 years. They have a large internal battery storage capacity but a compact exterior. Both Powerwalls boast an internal storage capacity of 13.5 kilowatt-hours (kWh). They can provide an average of two days of power, depending on your panels’ sun exposure. The Powerwall can provide one day of backup power during winter or on cloudy days. Its capacity extends to 2.5 days during summer. With two Powerwalls, your backup power can reach 1.5 days on cloudy days and more than seven days with full sun exposure. Most homes need one or two batteries, but you can add up to 10.

Depth of Discharge

Solar batteries lose their efficiency as they’re charged and discharged over time. To preserve life span, many manufacturers limit how much of the battery you can recharge without damaging it, known as Depth of Discharge (DoD). The industry standard DoD is between 80% and 100%. The Powerwall models have a DoD of 100%. This means that both batteries can be recharged to their full capacity without impacting their life spans.

Installation Options

The Powerwall 2 was designed to work on existing solar systems with third-party solar inverters. The inverter converts direct current (DC) power from the sun into alternating current (AC) power for your home. The Powerwall 2 works with several top-quality inverters, including SMA, SolarEdge, and Enphase. The Powerwall+ includes an integrated inverter, making it best for new system installations.

Power Output

Weather conditions affect both Powerwall models’ power output, with sunny and cloudy days yielding different results. Here’s an overview of each model’s power output capabilities:

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