Unfortunately, they are usually quite large, heavy, and expensive. As an alternative, [JP Gleyzes] has put together a DIY solar tracking system that aims to address these issues.

Anker’s new Solix home solar battery system is a modular version of Tesla’s Powerwall Anker can now power a whole house even when the grid goes down, while its DIY solar solution for balconies ...

The storage system is solar ready for up to 5 kW and is integrated with DC disconnects and a maximum power point tracker (MPPT) charge controller.