CTEK CS Free Smart Maintainer Booster and Battery Charger 20A 12V Max - 40-462
Buy now, Pay later options
12V | Adaptive booster (jump starter alternative), battery charger and maintainer
The CS FREE is the ultimate all-in-one solution to quickly power up flat batteries and keep your vehicle batteries in peak condition wherever you are. Adaptive Boost: Say goodbye to jump cables and jump starter packs. CS FREE powers up your flat battery swiftly and safely, without risk of damaging your battery or vehicle electronics. Charge and Maintain: Whether you’re connected to a mains power source, or going off-grid, CS FREE keeps your battery in optimal condition. Giving you the freedom to charge and maintain any 12V lead-acid or lithium battery, while utilizing mains power, a solar panel or a separate leisure battery, the CS FREE handles all your battery charging needs. Hi-Tech Power Bank: Going beyond vehicle needs, CS FREE doubles as a high-tech power bank, allowing you to charge your USB-devices, whenever they need it, ensuring you are always connected on the go.
Features:
- All-in-one solution to power up flat batteries and keep your vehicle batteries in peak condition.
- Replaces jump starters and boosters with Adaptive Boost – the safest way to revive your flat battery.
- Connect to a power source and turn the CS FREE into a 5A smart battery charger.
- Charge and maintain any 12V lead-acid or lithium vehicle battery through mains power, solar panel or separate service battery.
- User-friendly, with straightforward operation and clear, easy to read displays.
- No need to select modes—simply connect, and the CS FREE will handle the rest.
- Countdown function shows you when you have enough power to start the vehicle and the remaining time until your battery reaches a full charge.
- Charge it up, and the internal battery will remain fully charged for up to a year, always ready for when you need it.
- Equipped with USB-C and USB-A outputs to charge devices such as laptops, smartphones, and tablets.
- Features a new modern design encased in a robust and durable housing.
Charging category | AC charging; DC charging |
Input | USB-C, 5 VDC � 25 VDC, 3 ADC/60 W max |
Output | 12 V, 20 A/240 W max |
Battery chemistry | Lead acid; Lithium-ion |
Battery types | 12 V:; WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO? |
Battery capacity | 10-130 Ah |
Battery capacity CEC-400 | 10-130 Ah |
Battery voltage | 12 V |
Ambient storage temperature | -20 °C to +45 �C (-4 �F to +113 �F) |
Ambient operating temperature | -20 ?C to +50 ?C (- 4 �F to +122 �F) |
Cooling | Natural convection |
Start voltage | 3.0 V |
Frequency | 50-60 Hz |
Enclosure material | Plastic |
Rated voltage (Input) | 100 VAC � 240 VAC |
Degree of protection | IP54 |
Dimensions (L x W x H) | 248 x 98 x 78 mm |
Net weight (unit with cables) | 1.4 kg |
User interface | LED symbols |
Detachable charging cable length (ouput) | 2 m |
Internal battery capacity | 66 Wh |
Internal battery cell chemistry | Polymer Lithium-Ion |
Internal battery cell type | Pouch Cell |
Internal battery charge temperature | 0?C to +45?C (32?F to 113?F) |
Internal battery discharge temperature | -20 ?C to +50 ?C (- 4 �F to +122 �F) |
Internal battery life span | 300 cycles, 80% |
Internal battery shelf life | 1 year |
Internal battery weight | 0.5 kg |
Mains adapter cable length | 1 m |
Mains adapter cable type | USB-C |
Mains adapter input | 100vacTo240vac5060hz60Wmax |
Mains adapter output | USB-C, 5 VDC � 20 VDC, 3 ADC, 60 W max |
USB | USB-C input |
USB-A Output | 5 VDC, 2.4 ADC/12 W max |
USB-C Output | 5 VDC, 9 VDC, 12 VDC, 15 VDC, 20 VDC, 3 ADC/60 W max |