Defining RPH: Miles of Range Per Hour an EV Charging Station Delivers

Campbell, Calif. Last week, we unveiled the ChargePoint Express 100, a new 24 kW output DC fast charger that allows electric vehicle (EV) drivers to recharge their cars in just 20 to 40 minutes.

Wondering what the “100” refers to? It’s the estimated, maximum number of miles of Range Per Hour, or “RPH,” that the charging station can deliver. RPH is the new metric by which we’re measuring the power of our EV chargers and by which drivers can estimate how far they can go after plugging in. And with the ChargePoint mobile app, drivers can see how many miles they’ve added in real time.

The amount of range a charging station can deliver depends on a number of things including but not limited to the car’s state of charge, its on-board charger and the battery’s temperature. RPH is just an estimate, but it can give you an idea of how many miles you’ll add during a charging session on different stations.

Our commercial level 2 stations and the new ChargePoint Home both can deliver up to 25 RPH. The Express 100, up to 100 RPH and the Express 200 DC fast charger up to (you guessed it), 200 RPH. Check out the graphic below for reference: