Cooperation between California-based charger company FreeWire Technologies and GM Energy enables business customers of the car manufacturer’s energy unit to purchase, install, and maintain ready-to-use direct current (DC) battery chargers. The partnership aims to facilitate access to FreeWire chargers, which advertise themselves as devices that can reduce installation costs by 20% and operation costs by 70% compared to standard DC chargers that require high-current connections.
What sets FreeWire Boost Charger apart from most fast EV chargers is its integrated 160 kWh battery pack. This innovative solution eliminates the need for costly infrastructure upgrades, which is important for commercial clients.
With the battery packs, FreeWire chargers can be connected to both three-phase alternating current (AC) voltage of 400 V and single-phase AC voltage of 240 V. Both options are popular in the industry and other large-scale operations. After connection to the grid, the energy management software in the charger can be programmed to charge the vehicle’s batteries during off-peak hours when electricity is cheaper (typically at night when cars are not in use). Then, before starting work in the morning, the chargers can quickly transfer the accumulated energy to the connected electric vehicles, preparing them for the day ahead.
The FreeWire Boost Charger is equipped with two cables: one with a CCS connector that can deliver up to 200 kW and another with a CHAdeMO plug that can deliver up to 100 kW. From mid-2024, a NACS Tesla plug will also be available to accommodate most modern EV charging sockets. When two vehicles are simultaneously connected to one charger, the power supplied is divided in half, with a maximum power of 100 kW transmitted to each vehicle.
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