Each Tesla Powerwall Battery system consists of one or more 13.5 kW rechargeable lithium-ion battery packs and software housed in a Gateway that intelligently dispatches electricity. Powerwall mounting can go on the wall, floor, indoors, or outdoors. They can be placed adjacent to each other or stacked front to back.

System size (number of Powerwall batteries) depends on the size of your solar system, the electric loads you want to run when the grid goes down, and the length of time you need to power them. We take care of everything from design and permits to testing and teaching you how to use them.

The solar battery backup installation takes 1 to 2 days for a Washington State residential system, longer for a more extensive procedure. When the installation is complete, our electrician will test the system. We will turn off-grid power to simulate a power outage and train you to use the Powerwall cell phone app. Watch a short video showing the energy flow in How Powerwall Works. Quantities are limited, so reserve yours today!

The Enphase system is efficient, modular, and affordable, making home battery backup more practical for more people than ever. Experience All-in-one solar plus storage as Enphase unites inverter, battery, and monitoring. One company on a single software platform.

Enphase’s AC-coupled system allows you to start small, go big, or grow over time. Enphase batteries use Lithium Iron Phosphate (LFP) battery chemistry to provide industry-leading safety and undergo the most rigorous industry testing and certification. Utilize Power Start™ technology to turn on energy-intensive appliances smoothly while reducing the risk of system crashes. Storm Guard alerts you to extreme weather events and automatically helps prepare your home to stay powered on during an outage.

Control your loads with IQ Load Controller and make your battery last longer in an outage by prioritizing and directing power to critical loads through Enphase’s battery app. Create your energy management system today with Enphase batteries and keep the energy constantly flowing.

Utilizing safe Lithium Iron Phosphate Technology (LifePO4), Fortress Power is opening up Off-Grid projects to battery backup solutions. Scale your battery energy storage systems with Fortress Power’s eFlex 5.4kWh batteries.

Fortress Power designs and manufactures batteries for off-grid applications. With a safe design, 15+ year lifespan, and zero maintenance. With a built-in proprietary battery management system, homeowners are assured that after installation, they can enjoy full power backup.

In DC-coupled mode, both solar and batteries share the inverter, and solar can directly charge the batteries. In AC-coupled, the solar has its inverter and sometimes distributes power to the house loads before giving the excess power to the batteries.

Plus, they have racking options, such as the FlexTower, which serves as the battery enclosure. Which protects and allows for easy wiring of the batteries maximizing the safety and efficiency of the installation!