MySol 3.5k

University/SchoolUniversity of Turku
Lead DesignerChristoph Konheisner
Design TeamTomi Westerlund (Supervisor University of Turku), Raphaël Guiollot (ENGIE Energy Access), Max Schmidt (ENGIE Energy Access)
ClientThe project was done in cooperation with ENGIE Energy Access.

MySol 3.5k is a modular backup battery tailored for Africa’s energy needs. Designed for Manufacturing in Africa, it utilises 100% repurposed lithium cells, offering affordability and reducing electronic waste. Resource efficiency is heightened by second-life battery-management systems (BMSs) from older devices, improving sustainability. The compression-based electrical contact ensures easy repairability, extending its lifespan. The enclosure is extruded from recycled ABS plastic sourced from old devices, further underlining the commitment to a greener future.

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