What is bidirectional V2H charging, and what can I do with it?
Wallbox (WBX), the Barcelona, Spain-based charger maker, announced its second generation Quasar 2 bidirectional charger at CES this week, two years after the original Quasar won our best of CES 2020. The upgrades are many for this new charger, which we consider to be one of the most important new technologies in the EV ecosystem.
The idea of bidirectional DC charging is incredibly exciting for EV drivers, though only a few current models support the standard. If you were excited about the Ford F-150 announcement that the truck could power a worksite or your home in a blackout for days, consider that the Wallbox Quasar 2 basically makes any EV capable of doing this – so long as the EV is compatible.
With bidirectional DC charging and the right home setup, including gateway, EV owners can use their cars to power their homes during a blackout for days. They can also use the car to store energy accumulated via solar or in low-demand periods to power their homes during higher demand, more expensive blocks of time.
Quasar 2 upgrades
The original Quasar only worked with Chadamo, mostly on Nissan Leafs. It was also limited to 7.4kW. The Quasar 2 works for the more popular CCS Combo plugs at 11.5kW (or 240V and 48A). Quasar 2 connects to the myWallbox app through Wifi, Bluetooth, Ethernet, or 4G.
Being DC, the Quasar 2 bypasses the car’s internal inverter and will even charge cars that only charge at 7.4kW/32A at 11.5kW/48A, giving many EVs a 50% faster charge. For small-battery vehicles like the Harley Davidson Livewire, it will charge as fast as an Electrify America super fast charging station, filling up within an hour and change. A Chevy Bolt, for instance, should charge at 11.5kW instead of the 7.68kW that level 2 AC chargers top out at.
Read more: Electrek
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