The Tesla Mobile Connectors (UMC Gen 1, 2, 3) are portable charging solutions for Model S, Model X, and Model 3.
With interchangeable plug adapters they supports both 110โ120ย V and 208โ240ย V outlets, delivering up to ~32ย A / 7.7ย kW on compatible 240ย V circuits. Ideal as a primary Level 1/Level 2 solution or a travel backup.
| Category | Detail |
| Compatibility | Tesla Model S / X / 3 (NACS port) |
| Input Voltage | 110โ120ย V (Level 1) and 208โ240ย V (Level 2) |
| Max Current / Power | Up to ~32ย A (adapter dependent), ~7.7ย kW @ 240ย V |
| Cord Length | ~20ย ft (approx.) |
| Connector | NACS (Tesla vehicle inlet) |
| Protection | GFCI, temperature monitoring, fault/LED indicators |
| Plug / Adapter | Voltage / Amps | Max Power | Typical Range Added* | Notes |
| Household (110โ120ย V) | ~12โ15ย A | ~1.4โ1.8ย kW | ~3โ5 mi/hr | Convenient Level 1; overnight top-ups |
| 240ย V (NEMA 14-50) | Up to ~32ย A | Up to ~7.7ย kW | ~20โ30 mi/hr | Popular Level 2 choice; RV/garage outlets |
| Other 240ย V Adapters | 15โ30ย A (varies) | Up to ~3.6โ7.2ย kW | ~12โ28 mi/hr | Amps limited by plug/circuit rating |
*Actual miles per hour vary by model, temperature, and state of charge.
For 240ย V use, ensure an appropriately rated receptacle and breaker (e.g., 50ย A circuit for NEMA 14-50 with continuous-load derating).
Keep the control brick off the ground, avoid extension cords, and periodically inspect plugs for heat discoloration.







