Electrify America says it has selected charging equipment suppliers – ABB, BTC Power, Efacec and Signet – to deploy an electric vehicle (EV) charging system across the United States.

The charging equipment suppliers will share delivery of more than 2,000 chargers across 484 stations in the U.S. Electrify America says the charging systems will offer a cooled-cable 150/350 kilowatt (kW) DC Fast Charger. Electric vehicle chargers that offer this kind of power deliver energy for up to 20 miles of range per minute of charge at 350kW, which it says is faster than 50kW DC chargers.

Electrify America says its charging systems will have a range in power from 50kW, the most commonly used fast charging for electric vehicles today, up to 350kW for its highway stations. The Electrify America systems will also offer DC Fast Chargers ranging from 50kW to 150kW for metro locations. An L2 AC charger will also be offered at a majority of metro DC fast charging stations to accommodate plug-in hybrids and non-DC-charge capable EVs.

All charging stations will offer a CHAdeMO1 (50kW) connector, plus additional dual-handle chargers with CCS1 (50 to 150kW or 350kW) connectors, helping to ensure that all fast-charging-capable cars will be able to use the stations. Metropolitan charging stations will have three to six chargers with CCS1 connectors, while highway stations will offer four to 10.

The chargers have been custom-designed for Electrify America and have several advanced features including liquid-cooled cables, according to a statement. The cooling is a key factor in enabling higher-amperage charging without a significant increase in the cable thickness for charging power at and above 150kW from 350 amps.

Most of Electrify America’s ultra-fast charging systems will use the RADOX HPC (high power charging) System from HUBER+SUHNER which features a much smaller cable cross-section than a more traditional high-powered cable option. These cooled cables are said to be thinner, more flexible, lighter and easier to handle.

The chargers will also have a 15-inch touchscreen display to provide an expected “Plug-Pay-Charge-Go” experience, including opt-in text notifications and receipt delivery. Credit card readers also are included.

Electrify America says it will begin installing the charging systems this spring with the goal of all stations being operational or under construction at 484 sites in 17 metropolitan areas and on highways in 39 states by the end of 2019.

Electrify America LLC is based in Reston, Virginia, and plans to invest $2 billion over 10 years in Zero Emission Vehicle infrastructure, education and access.