Upgrading from the EV-ACS4005T portable to the EV-ACT5006T wallbox raises your home charging ceiling from 9.6 kW to 11.5 kW and replaces a plug-in unit you can carry with a fixed point that stays on the wall. Whether it is worth doing turns on one check: if your car accepts no more than 9.6 kW of AC power, it will charge at exactly the same speed on the wallbox, and the upgrade buys convenience, not time.
Key Takeaways
- The upgrade raises the ceiling from 9.6 kW to 11.5 kW and fixes the charger to one wall.
- 48 A needs a hard-wired install on a 60 A breaker; the plug-in variant is capped at 40 A continuous.
- A car that accepts 9.6 kW or less gains no speed — check its AC acceptance first.
- The portable keeps a second life as the travel and spare unit.
What Actually Changes
| EV-ACS4005T | EV-ACT5006T | |
|---|---|---|
| Form | Portable, carried between outlets | Wall-mounted, fixed in place |
| Maximum output | 9.6 kW at 40 A | 11.5 kW at up to 48 A |
| Current settings | Adjustable: 16 / 24 / 32 / 40 A | Set by the installation, up to 48 A |
| Supply | NEMA 14-50P plug | Hard-wired, or NEMA 14-50P |
| Cable | 25 or 28 ft | 25 ft |
| Marks stated | CE, FCC | ETL, FCC, CE |
Both units serve a NACS inlet and both are rated IP66 for the portable and IP65/IP66 for the wallbox. The real differences are the ceiling, the permanence, and the circuit behind the wallbox.
The Circuit Is the Real Project
The portable asked for an outlet; the wallbox asks for electrical work. EV charging is a continuous load, and the NEC sizes the breaker at 125% of the charging current — 48 A of charging pairs with a 60 A breaker. A licensed electrician confirms the panel can carry that before anything is ordered; the wallbox installation guide works through what the assessment covers. One honest note on the plug-in variant: on a 50 A circuit, a NEMA 14-50 outlet carries 40 A continuously under the same rule — so a plugged-in EV-ACT5006T runs at the outlet’s ceiling, not at 48 A. The full 48 A belongs to the hard-wired installation. Installation costs vary with the panel and the cable run; your electrician’s quotation is the figure to plan on.
The Check That Decides: Your Car
A charger offers power; the car decides how much it takes. If your car’s onboard charger accepts 11.5 kW, the upgrade is real: as labelled arithmetic, eight hours at 11.5 kW delivers about 92 kWh before losses, against about 77 kWh at 9.6 kW. If the car accepts 9.6 kW or less, both units deliver the same session at the same speed, and the portable’s own explainer on how portable charging speed depends on the outlet and the car applies unchanged. Check the car’s AC acceptance in its manual before pricing the wallbox — it is the only number that can veto the upgrade.
The Portable’s Second Life
The upgrade does not retire the EV-ACS4005T. It stays useful as the travel charger, the spare while the wallbox is serviced, and the unit that serves a second property or a guest with a suitable outlet — the roles a fixed EV-ACT5006T cannot fill. Many households run exactly this pairing: the wallbox does the nightly work, the portable covers everything away from that wall. What the outlet itself involves is covered in our NEMA 14-50 outlet guide.
Frequently Asked Questions
Will my car charge faster after the upgrade?
Only if its onboard charger accepts more than 9.6 kW of AC power. The wallbox raises the offer to 11.5 kW; a car capped below that takes the same power from both units.
Can the wallbox just plug into my existing 14-50 outlet?
A NEMA 14-50P variant exists, and it is the quick install. But a 50 A circuit carries 40 A continuously, so the plug-in wallbox runs at 40 A — the same ceiling as the portable. The 48 A rate needs the hard-wired installation on a 60 A breaker.
Should I sell the portable after upgrading?
Most owners keep it. It remains the travel and spare unit, and it is the charger that works anywhere a suitable 14-50 outlet exists — the fixed wallbox only works at home.
Related Reading
- Wallbox Home Charger Installation Guide 2026: Costs, Amperage, and What Determines Charging Speed
- Do Portable EV Chargers Work? How Speed Depends on the Outlet
- What Is a NEMA 14-50 Outlet? A Guide for EV Owners
