Stationary Battery Backed Charger2025-06-17T13:50:35+02:00
Power
400 – 1700 kW
Voltage
500 – 850 VDC
Weight
18 – 35 t

How does battery backed megacharging work?

Electrical energy is drawn from the power grid, converted into direct current by an AC/DC converter and then temporarily stored in batteries. The DC voltage of the battery buffer is adapted to the voltage of the vehicle via another DC/DC converter. Thanks to the battery buffer, higher power can be delivered during a charging process than would be possible with a mains connection.

Functional principle of battery-supported Mega Charging

Interactive view

SBC / MBC

Device variants
Single Standard 500 Dual Standard 1000 Single Maxi 2000 Dual Maxi 1000 Dual Maxi 2000
DC charging connection 1x CCS 400 kW 2x CCS 400 kW 1x CCS 400 kW and
1x MCS 1250 kW		 2x CCS 400 kW and
2x MCS 1250 kW*		 2x CCS 400 kW and
2x MCS 1250 kW*
Battery buffer 500 kWh 1000 kWh 2000 kWh 1000 kWh 2000 kWh
AC supply 400 VAC 200 kW 400 kW (2x 200 kW) 400 kW (2x 200 kW) 400 kW (2x 200 kW) 400 kW (2x 200 kW)

*The power is reduced in parallel operation.

Extensions
1D MCS extension to 1700 kW 4A EMS interface for connection to customer load management
1E CCS charging with 680 kW 4B Bidirectional AC feed-in (only in combination with 4A)
2B Expansion of battery buffer by 170 kWh 4C Monitoring
3C Extension of AC feed-in to 400 kW 4D Off-grid capability, AC grid independence
4E Identification and billing capability for backend (OCPP)
4F CCS charging below 500 V
4G calibration law compliant with payment terminal
Charging times for selected vehicles
Vehicles Range Released kWh Standard charge SBC/MBC-1400-2000
Designwerk HC Semi 1000E 6x2T 650 km 864 kWh 13 h 45 min @44 kW 40 min
Designwerk MC Logistics 1000E 4x2R 730 km 864 kWh 13 h 45 min @44 kW 40 min
Mercedes Benz eActros 600 500 km 600 kWh 9 h 35 min @44 kW 35 min
Car Ferry 150t 66 km 3240 kWh 22 h 25 min @150 kW 2 h 35 min
Eviation Alice Aircraft 869 km 782 kWh 19 h 45 min @44 kW 40 min

* Standard charge 100% and fast charge 10-80% of the battery capacity approved by the manufacturer

Megawatt Charging System Charging Park Designwerk
Mobile DC fast charger for electric vehicles

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Impressions

SBC | Delivery to Galliker Transport AG

Bis zu 2 Megawattstunden Batteriepuffer ermöglichen zeitversetztes Laden und vermeidet Lastspitzen im Netz.

SBC | View Batteries

Bis zu 2 Megawattstunden Batteriepuffer ermöglichen zeitversetztes Laden und vermeidet Lastspitzen im Netz.

SBC | On pedestal at Galliker Transport AG

SBC | Presentation at Galliker Transport AG

SBC | Launch Event

The partnership-based demonstration project is attracting interest on the market

SBC | Stationary Battery Backed Charger

Charging station user interface

SBC | Launch Event

From left: Andreas Burgener, Director of auto-schweiz, and Adrian Melliger, CEO of Designwerk Technologies AG, in front of the Mega Charger from Galliker Transport AG

SBC | Launch Event

More than 80 experts took part in the Mega Charger Event organized by Designwerk Technologies AG

Vorstellung des Mega Charger

SBC | Launch Event

Daniel Rosenberger, Project Manager at Designwerk, presents the Mega Charger

Blog posts about the Mega Charger

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