The published specs, side by side
| Spec | Leviton EV40P | ChargePoint Home Flex |
|---|
| Maximum output | 40 A / 9.6 kW | 50 A / 12 kW |
| Adjustable current | None published — specified as a fixed 40 A unit | 16, 24, 32, 40, 48, 50 A (set in the app) |
| Install | Plug-in: pre-attached 3 ft lead with a NEMA 14-50P | Hardwired on the listing we link (a 14-50 SKU is also sold) |
| Cable | 25 ft | 23 ft |
| Enclosure | NEMA Type 3R | NEMA 3R |
| Operating range | −30 °C to 50 °C | Not published on the datasheet |
| Warranty | 2 years | 3 years |
| Certification | UL 2594, 2231-1, 2231-2, 2251, 62, 991, 1998, 840; CSA C22.2 #280; OCPP 1.6; ENERGY STAR | UL/cUL listed, ENERGY STAR |
| Load management | None published | None published for the residential Home Flex |
The one spec that decides it
A 40-amp charger with no adjustable range can only be installed on a genuine 50-amp circuit. That is not a defect — it is a design decision, and for a great many houses it is the correct one. But it makes the EV40P a charger you buy after you know what is behind the receptacle, not before.
That matters because a NEMA 14-50 outlet is not a promise of a 50-amp breaker. Fourteen-fifties get re-used, re-wired and installed on 40-amp circuits, and in that case the continuous-load limit is 32 amps and a fixed-40 charger is simply the wrong product. The Home Flex drops to 32 A in the app and carries on. Our amp-setting guide covers how to read the real number off your own panel, and our 32-amp roundup is the list for a house where that number comes back as 40.
In the other direction, ChargePoint’s top two steps are the reason to pay the premium at all. If there is any chance you will hardwire onto a 60-amp circuit later, 48 A is there waiting; on a 70-amp circuit, 50 A is. Our 50-amp roundup explains what each of those circuits costs you, and it is a bigger jump than the two amps suggest.
Where Leviton wins
The install is genuinely shorter.Leviton ships the EV40P with a pre-attached 3-foot input lead terminating in a NEMA 14-50P. If the receptacle exists, the job is hanging the bracket and pushing the plug in — no conduit, no terminations, no electrician on the day. The ChargePoint listing our buy link resolves to is the hardwired build, so with that one you are booking a visit. ChargePoint does sell a plug-in 14-50 SKU; buy it deliberately rather than assuming the listing you land on is the right one.
A longer cable, and a published cold floor.Twenty-five feet against twenty-three is a modest edge, but a real one. More useful is that Leviton publishes an operating range of −30 °C to 50 °C where the Home Flex datasheet publishes a NEMA 3R enclosure and no temperature range at all. If the charger is going on a wall in a cold climate, that blank field is the thing to weigh — our outdoor roundup ranks on exactly this.
The certification list is in a different league.Leviton publishes UL 2594, 2231-1, 2231-2, 2251, 62, 991, 1998 and 840, plus CSA C22.2 #280, NFPA 70 Article 625 and OCPP 1.6. That depth is what a 100-year-old wiring-devices company sells, and OCPP 1.6 in particular means the charger can be spoken to by third-party back-end software rather than only by its maker’s app — which is a real hedge against the app being discontinued. Our guide to charger safety listings explains why we weigh a named listing so heavily.
It is the charger your electrician already stocks. Not a spec, but not nothing. Leviton panels, breakers and devices are in the van already.
Where ChargePoint wins
The range, which is the whole product. Six steps from 16 to 50 amps means one charger fits a 20-amp circuit in an apartment garage and a 70-amp circuit in a new build. Nothing else we cover publishes that span.
A year more warranty. Three years against two, on a device bolted to an outside wall for a decade.
The app is the mature one.Scheduling, reminders, usage history and a long record of firmware updates. Leviton’s My Leviton app is competent and has the advantage of also running Leviton’s load centers and switches, so if the house is already Leviton it is one app rather than two — but ChargePoint’s is the more complete charging app, and if time-of-use rates are the reason you are buying a smart charger, our time-of-use guide covers what you actually need it to do.
Two things neither of them does
Neither publishes home load management.This is worth saying plainly because both brands sell load management elsewhere. Leviton’s EV40P page states no load management, load shedding or circuit-sharing capability of any kind. ChargePoint’s own Power Management FAQ names only the CT4000 and CPF50 station families — both commercial — and does not mention the residential Home Flex anywhere. If an electrician has told you the panel has no spare capacity, neither of these chargers is the answer; our load-management roundup is.
Neither gives you clean access control.The EV40P’s description advertises “Optional RFID Control”, but the RFID card accessory on Leviton’s own page is specified for its EV320 and EV480 commercial stations and does not name the EV40P. Both of those statements are Leviton’s, we report both, and the resolution is to confirm against your own model number before buying cards. Leviton also publishes “Cover Locking Mechanism: Phillips Head Screws, No Padlock Option”. Our access-control roundup ranks the chargers that do this properly.
The verdict
If a 50-amp NEMA 14-50 is already on the wall, the Leviton is the better buy. The plug is attached, the cable is longer, the cold floor is published, the certification list is the deepest in our registry, and 40 amps is about 34 miles of range an hour — roughly 340 miles across a ten-hour night, which is more than almost any household puts back in a day. You are not giving up charging speed you will notice; you are giving up headroom you will probably never reach.
If the circuit is still a question, buy the ChargePoint Home Flex. Six current steps means the charger cannot be made wrong by whatever the electrician finds, or by a service upgrade three years from now. Add a year of warranty and the better app, and the premium is defensible. Just buy the SKU you mean — hardwired or 14-50 — because both exist and they are not interchangeable.
And if neither brand name is what you are paying for, buy the EVIQO 48A. It is less money than either, it is 48 amps rather than 40, it publishes 6 to 48 A from the app plus hardware DIP switches that cap the maximum, and it carries UL, ETL, FCC and ENERGY STAR listings with a 25 ft cable and a 40-inch input lead. What you give up is brand permanence — a shorter track record than either company here — and a hardwired-only install on a 60-amp circuit.