Sonnen and Tesla are two of the leading manufacturers of home energy storage systems, but there are several differences between the two.

One of the primary differences is that Sonnen batteries have a longer lifespan than Tesla Powerwalls. Sonnen batteries are designed to last for up to 27,000 cycles, which is equivalent to over 75 years of daily use. Tesla Powerwalls, on the other hand, are designed to last for up to 7,000 cycles or around 5-10 years.

Another advantage of Sonnen batteries is that they have a larger capacity range, which allows for more flexibility in designing a home energy system. Sonnen batteries come in several different sizes, ranging from 4 kWh to 16 kWh, while Tesla Powerwalls come in a single 13.5 kWh size.

Sonnen batteries also come with a built-in inverter, which can simplify the installation process and reduce costs. Tesla Powerwalls, on the other hand, require an external inverter to be installed separately.

Smart grid capabilities: Sonnen batteries can be integrated with smart grid systems, allowing them to communicate with the grid and provide grid services such as frequency regulation and load balancing. This helps to stabilize the grid and increase the reliability of the energy system.

The Sonnen Battery uses lithium-iron-phosphate batteries and comes with an integrated inverter and advanced energy management software that allows homeowners to monitor and control their energy usage.