Charge Amps Dawn Professional vs Wallbox eM4 Twin Controller
Max. charging power (AC): Charge Amps Dawn Professional 22 kW, Wallbox eM4 Twin Controller 22 kW. The Charge Amps Dawn Professional is better on 2 of 12 comparable points.
Who wins where
- Charge Amps Dawn Professional
- Wallbox eM4 Twin Controller
Biggest differences
| Fact | Dawn Professional | eM4 Twin Controller |
|---|---|---|
| Weight | 4.2 kg | 10.5 kg |
| Number of outlets | 1 | 2 |
| Min. operating temperature | -35 °C | -25 °C |
Score per area = position (0–100) relative to all 67 models in this category; higher is better.
| Technical specifications | Charge AmpsDawn Professional | WallboxeM4 Twin Controller |
|---|---|---|
| General | ||
| Connector | Type 2 socket 1 | Type 2 socket 2 |
| Number of outlets | 1 1 | 2 ✓ 2 |
| Min. operating temperature | -35 °C ✓ 1 | -25 °C 2 |
| Performance | ||
| Max. charging power (AC) | 22 kW 1 | 22 kW 2 |
| Electrical | ||
| Phases | 3 1 | 3 2 |
| Max. current per phase | 32 A 1 | 32 A 2 |
| Min. charging current | 6 A 1 | – |
| Connectivity & smart | ||
| OCPP | 1.6J 1 | 1.5, 1.6 2 |
| Wi-Fi | Yes 1 | Yes 2 |
| Ethernet | Yes 1 | Yes 2 |
| 4G/LTE | Yes 1 | Yes 2 |
| RFID card reader | Yes 1 | Yes 2 |
| ISO 15118 / Plug & Charge | Yes 1 | – |
| Dynamic load balancing | Yes 1 | Yes 2 |
| Solar surplus charging | Yes 1 | – |
| Safety & metering | ||
| MID-certified meter | Yes 1 | Yes 2 |
| RCD protection | Type B 1 | Type A 2 |
| Built-in 6 mA DC leakage detection | Yes 1 | Yes 2 |
| IP rating | IP54 1 | IP55 2 |
| IK rating | IK10 1 | IK10 2 |
| Dimensions & weight | ||
| Width | 250 mm 1 | 428 mm 2 |
| Height | 378 mm 1 | 516 mm 2 |
| Depth | 145 mm 1 | 145 mm 2 |
| Weight | 4.2 kg ✓ 1 | 10.5 kg 2 |
| Warranty & lifespan | ||
| Warranty | 5 years 1 | – |
Sources
- Charge Amps Dawn Professional – product sheet, 250902 (09/2025) — Charge Amps AB · accessed 27 Sept 2026
- Wallbox eM4 Single / Twin – Technical Data Sheet, Wallbox_Datasheet_eM4_EN_b (04/25) — Wall Box Chargers S.L. · accessed 27 Sept 2026