CTEK PRO 120
Ultimate workshop charging power and precision.
- Up to 120A of battery support for intensive workshop diagnostics and ECU work
- Power supply mode with selectable 0.1V increments from 12.6V to 14.8V for precise manufacturer spec matching
- Silent fanless cooling system with no moving parts, stable from -20C to +50C
- Extremely low ripple output protects sensitive vehicle electronics during diagnostics
- Works with all 12V battery types including lead acid and lithium iron phosphate (LiFePO4)
- Multilingual LCD display with 8-step fully automatic adaptive charging
The PRO 120 is the most powerful charger in the CTEK range, designed specifically for professional workshops running intensive diagnostics, ECU programming and repair procedures. Its fanless cooling system delivers rock-solid 120A output with no derating, even in hot workshop environments. Selectable power supply voltage in 0.1V increments lets technicians match manufacturer minimum service specifications exactly, while extremely low ripple output protects the vehicle's most sensitive electronics throughout.
| Input | 220 to 240 VAC, 50 to 60 Hz, 9.2 A |
| Output | 12 V, 120 A |
| Power supply mode | Max 120A, selectable 0.1V increments from 12.6V to 14.8V |
| Battery types | WET, Ca/Ca, AGM, EFB, GEL, LiFePO4 |
| Battery chemistry | Lead acid, Lithium-ion |
| Battery voltage | 12 V |
| Battery capacity (lead acid) | 10 to 3,600 Ah |
| Battery capacity (LiFePO4) | 15 to 1,200 Ah |
| Temperature compensation | Built-in temperature sensor |
| Parallel load compensation | Automatic |
| Operating temperature | -20C to +50C |
| Degree of protection | IP40 |
| User interface | Multilingual LCD display |
| Warranty | 2 years |
- 1x CTEK PRO 120 Charger
- 1x Power Cable
- 1x Battery Clamps
- 1x User Guide
Select the required output voltage in 0.1V increments to match the manufacturer service specification.
Connect the clamps to the battery and the vehicle. The unit activates automatically.
Run diagnostics, ECU programming or repair procedures with stable, low-ripple power supply.
Once work is complete, disconnect from the vehicle and power down the unit.