Tesla may be the automaker with the highest profile on energy storage, but they’re not the only ones. Now Mercedes goes public with its plans.

As the newest carmaker on the block, it’s perhaps not surprising that Tesla Motors likes to do things differently. That includes reaching beyond the automotive sector with its recently-announced plans to sell standalone battery packs for home and commercial energy storage. Yet that seems to be an idea the world’s oldest car manufacturer is pursuing as well.

Mercedes-Benz now plans to enter the energy-storage business as well. A division of parent company Daimler has been testing battery packs that can power houses, and plans to launch commercially in September, according to Australia’s Motoring.

Like Tesla, Daimler has tested quietly energy-storage systems for some time.

Read more: Green Car Reports