ADS-TEC Energy today debuted ChargePost, a compact battery-based EV charging system that enables ultra-fast charging without the need to extend the existing grid.
ChargePost is an all-in-one design that integrates the battery, electronics, cooling system, and charger in a compact container that ADS-TEC Energy says requires less than 21.5 square feet (2 sq m) of ground space.
Each ChargePost, which is 100% made in Germany, is equipped with two charging points that give drivers up to 300 kW DC power with one charging point and 150 kW with two charging points in use at the same time. It has a configurable 143 or 201 kWh battery capacity. Battery modules can be swapped out as needed, which increases the charger’s longevity. ADS-TEC says it only takes five minutes of charging at ChargePost for more than a 100 km (62-mile) drive.
The integrated charging cable with uncooled CCS1/CCS2 connector is at least 3 meters long. It has a 10-inch touchscreen interface and an “easy-to-use” payment terminal. Each charger also has the option for video advertising displays on the side panels.
From the first half of 2023, ChargePost will be capable of feeding stored energy back into the grid, and it can also be paired with solar.
ADS-TEC says that ChargePost can be set up quickly with a forklift and that its instillation is plug-and-play. Because it’s battery-based, it can connect directly to any existing, power-limited, low-voltage grid. That means it can be installed in a variety of locations, including inner cities and rural areas where high-voltage grids often aren’t available.
Top comment by sparky123
Let's assume:
*50 kW grid-connection to the battery-charger
*An IONIQ 5 charging for 15 minutes at an average speed of 175 kW (max a little over 200)
That's 43.8 kWh delivered, ~140 mi of driving range added, good for typical DCFC.
In those 15 minutes, it's still pulling 50 kW from the grid, so 12.5 kWh are added. 43.8 – 12.5 = Net effect is a consumption of ~32 kWh.
Let's also assume the battery-charger started full at 200 kWh.
Assume some very aggressive conditions: there's a line of 5 more IONIQ 5 waiting, there's NO gap time between charges, and they are ALL at low SOC, warm batteries, and need to add 140 miles.
It can charge six IONIQ 5s back-to-back-to-back-to-back-to-back. That brings it down to 200 - (6*32) ~8 kWh of juice left. (Ok, maybe the battery-charger can’t push a full 200 kW at a low SOC, so call it FIVE IONIQ 5 in a row plus a ID4).
Once depleted, it takes the 50 kW connection 38 minutes to replenish the 32 kWH needed to provide another IONIQ with maximum charging performance.
Note this is a very aggressive scenario. Now introduce gap times between the cars, higher SOCs, cars that max out at 125 kW, etc.
Hopefully this example shows that it could potentially get a LOT of use out of just 50 kW connection.
ChargePost is on the market now in Europe, and it’s expected to be launch in the United States in 2023.
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