AUTEL Maxi US AC LW12
AUTEL Maxi US AC LW12 is a Level 2 home EV charger from AUTEL with up to 50 A (12 kW) output and a J1772 connector — 25 ft cable, networked smart charging.
Our take
One of five closely related AUTEL entries in the 20-model 50 A class, and the differences between them are measured in tenths of a watt. This one draws 3.5 W at idle against a 3.47 W cohort median — effectively a tie. The substance is the 50 A rating: 12 kW, about 42 miles of range per hour, and a 65 A circuit, which is an unusual size that pushes many panels toward a service upgrade. Wi-Fi is included, as on 85% of the class, and the cable is a full 25 feet.
- Best for: Households already committed to AUTEL hardware and app ecosystem.
- Trade-off: The 65 A circuit is an awkward size to find panel capacity for.
| Connector type | J1772 |
|---|---|
| Max output current | 50 A |
| Max output power | 12 kW |
| Input voltage | 240 V |
| Wi-Fi / app connected | Yes |
|---|
| Cable length | 25 ft |
|---|
| ENERGY STAR certified | Yes |
|---|
| Standby power draw | 3.5 W |
|---|
How fast does the AUTEL Maxi US AC LW12 charge?
Real charging speed is the lower of the charger's 12 kW output and each vehicle's onboard AC limit. Full-charge times and range added per hour on the AUTEL Maxi US AC LW12:
| Vehicle | Real rate | 0–100% | Range/hr |
|---|---|---|---|
| Tesla Model Y | 11.5 kW | 6.5 h | 50 mi |
| Tesla Model 3 | 11.5 kW | 6.5 h | 56 mi |
| Ford Mustang Mach-E | 10.5 kW | 8.7 h | 37 mi |
| Chevrolet Equinox EV | 11.5 kW | 7.4 h | 43 mi |
| Hyundai Ioniq 5 | 10.9 kW | 7.7 h | 41 mi |
| Ford F-150 Lightning | 12 kW | 10.9 h | 29 mi |
EV compatibility
The AUTEL Maxi US AC LW12's J1772 connector plugs directly into 23 of the 29 EVs tracked in this database. The other 6 (Hyundai Ioniq 5, Tesla Cybertruck, Tesla Model 3, Tesla Model S, Tesla Model X, Tesla Model Y) work with it too — requires a J1772-to-NACS adapter (Tesla includes one with its vehicles).
Unsure which port your car has? See J1772 vs NACS for home charging.
Similar chargers
- KWEV KW11DAC/01C/XX/RF/WF/4G (48 A)
- Espen EVC/A48R/JXX/EW (48 A)
- SPAN IO SPAN Drive (48 A)
- MUSTART MT-AABGST4NOP-48A23FT-AT (48 A)
- Zerova EV Charger Station (48 A)
- Universal Wall Connector 1734412 (48 A)
Frequently asked questions
Is the AUTEL Maxi US AC LW12 ENERGY STAR certified?
Yes, the AUTEL Maxi US AC LW12 is ENERGY STAR certified for standby energy efficiency.
Does the AUTEL Maxi US AC LW12 have Wi-Fi or app control?
Yes, the AUTEL Maxi US AC LW12 is a networked charger with smart-charging connectivity.
What size breaker does the AUTEL Maxi US AC LW12 need?
At its maximum 50 A output the AUTEL Maxi US AC LW12 needs at least a 65 A circuit, per the NEC rule that continuous loads may use only 80% of breaker capacity.
Sources
- data.energystar.gov (retrieved 2026-08-17)