The portable charger CTEK CS FREE 12V 20A is the intelligent and versatile solution for sailors seeking maximum freedom and energy security on board.
Innovative Operation
This device leverages Adaptive Boost technology, allowing you to charge or reactivate 12V batteries quickly and effectively, even without traditional power sources.
Main Advantages
- Full Portability: Compact design with no permanent cables.
- Multifunctional: Charges AGM, lead-acid, GEL, and lithium (LiFePO4) batteries.
- Integrated Safeguards: Protection against reverse polarity, short circuits, and overload.
- Easy to Use and Transport: Ideal for emergencies in port or while underway.
Recommended Applications
Perfect for pleasure boats, inflatables, sailboats, motorboats, and even land applications like caravans or cars.
Compatibility and Maintenance
- Compatible with 12V batteries up to 130Ah for charging and up to 20Ah for starting.
- Use in dry environments; protect from excessive splashes.
- Check terminal conditions and keep connections clean to extend service life.
Technical Specifications
| Input Voltage | 100-240V AC or 12V DC external |
| Maximum Charging Current | 20A |
| Output Voltage | 12V DC |
| Battery Compatibility | Lead-Acid, AGM, GEL, LiFePO4 |
| Approximate Weight | 1.4 kg |
If you need advice on specific compatibilities, our team will be happy to assist you.