"Croatia's EV Clinic built a bespoke battery range extender that can fit in pretty much any EV on the market, adding roughly 62 miles of range without touching the original pack. It's just a prototype at the moment, but it looks quite promising. As described in Bjorn Nyland's video above, the first iteration was made to fit in the deep part of the Tesla Model S' trunk, which means the car can retain most of its cargo capacity."
"The battery range extender has 17.1-kilowatt-hours of usable energy, courtesy of several brand-new Samsung SDI prismatic cells arranged in four modules. The cage also has a dedicated battery management system (BMS), a pyro fuse sourced from the Tesla Model 3, a custom-made cooling plate, and a coolant pump sourced from the Tesla Model S. According to EV Clinic's representative, the range extender will be wired in parallel with the car's original battery via Rapid Mate connectors."
Batteries degrade over time and older EVs often lose range compared with new condition. Replacing a full pack or repairing modules is expensive. EV Clinic built a bespoke battery range extender that adds roughly 62 miles of range without removing the original pack. The unit provides 17.1 kilowatt-hours of usable energy using new Samsung SDI prismatic cells arranged in four modules. The enclosure includes a dedicated BMS, a pyro fuse from the Tesla Model 3, a custom cooling plate, and a coolant pump from the Tesla Model S. The extender connects in parallel via Rapid Mate connectors, reducing system internal resistance and improving DC fast-charging curves while retaining most cargo space.
Read at insideevs.com
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