Battery Brands Offered
Cromwell Solar is proud to offer our customers access to leading battery brands for their whole-home energy storage needs. Our installers are certified to install multiple brands of battery backup, including Tesla Powerwalls, and can talk you through the relative advantages of different options. Find some of our top-tier whole-home battery backup options below.
Tesla powerwall
Credit: Tesla
The Tesla Powerwall 2 is a state-of-the-art whole-home battery backup that stores 13.5 kWh and provides 5 kW of continuous power. Unlike many competitors, Powerwall 2 features a built-in inverter for solar systems and a liquid thermal management system, ensuring optimal performance across a wide temperature range (-4°F to 122°F). It can be mounted on the wall or ground, making it versatile for various home setups. Internet connectivity enables real-time optimization, letting you control the battery from the included Tesla app.
Generac PWRcell
The Generac PWRcell battery features a modular design with capacities ranging from 9 kWh to 18 kWh per cabinet, allowing for scalability up to 36 kWh when multiple units are connected. The system delivers up to 9 kW of continuous power, making it one of the most powerful options available. Generac offers an expanded PWRcell system including solar panels and inverters, giving you the option to integrate seamlessly into a solar panel system.
panasonic evervolt home battery
Credit: Panasonic
Panasonic’s Evervolt line of whole-home backup batteries come in 9, 13.5 and 18 kWh versions, and up to four units can be combined to offer as much as 72 kWh of power. The lithium iron phosphate battery supports both AC and DC power input, and can deliver up to 7.6 kW of continuous backup power with a single cabinet, and up to 30 kWh with four cabinets. An Evervolt can be mounted indoors or outdoors on walls or floors, and include hybrid inverters for integrating with home solar panels.
Sol-Ark
Credit: Sol-Ark
Sol-Ark makes a full range of whole-home battery systems and commercial energy storage solutions that pair with many leading battery brands. Their battery system components offer the ability to back up an entire home, connect solar panels and inverters from your home to the grid, and optimize energy storage and output for both residential and commercial properties. Customizable app-based controls let you monitor and adjust your home power setup from anywhere.
Enphase
Credit: Enphase
Enphase IQ Batteries offers modular energy storage solutions beginning at 5 kWh and allowing for additional batteries, allowing for scalable capacity based on household needs. The system features an all-in-one design integrating a battery and microinverters, providing seamless backup power during outages and optimizing solar energy usage. Enphase batteries use safer low-voltage DC power, and benefit from over the air software updates to enhance performance.