CTEK CS Free 4-IN-1 Car Battery Charger

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Adaptive Booster to power up dead batteries, and Portable Battery Charger to charge your vehicle battery wherever you are. Say goodbye to jump cables and jump starters.
CS FREE® powers up your dead battery safely, without risk of damaging your battery or vehicle electronics. Charge and maintain any 12V lead-acid or lithium battery anywhere using a power outlet, solar or leisure battery power.
CTEK CS FREE® Four cutting edge products in one portable unit – Adaptive Booster, battery charger, smart maintainer, and hi-tech power bank.
The CS FREE® is the ultimate all-in-one solution to quickly power up dead 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 dead battery swiftly and safely, without risk of damaging your battery or vehicle electronics.
Charge and Maintain: Whether you’re connected to a power outlet, 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 a power outlet, 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.
TECHNICAL DATA:
INPUT | USB-C, 5 VDC – 25 VDC, 3 ADC/60 W max |
OUTPUT | 12VDC, 20 amps/240 W Max |
START VOLTAGE | Minimum 3VDC |
AMBIENT OPERATING TEMPERATURE | -20 ̊C to +50 ̊C (- 4 °F to +122 °F) |
AMBIENT STORAGE TEMPERATURE | -20 ̊C to +45 ̊C (- 4 °F to +113 °F) |
BATTERY CHEMISTRY | Lead-acid, Lithium |
BATTERY TYPES | 12 V: WET, MF, Ca/Ca, AGM, EFB, GEL, LiFePO4 |
BATTERY CAPACITY | 10-130 Ah |
DEGREE OF PROTECTION | IP54 |
WARRANTY | 2 years |
NET WEIGHT (UNIT WITH CABLES) DIMENSIONS (L x W x H) | 3 lbs |
DIMENSIONS | 9.8 x 3.9 x 3.1 inches |
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 |
POWER ADAPTER:
INPUT | 100VAC–240VAC, 50Hz–60Hz |
OUTPUT CABLE | USB-C, 5VDC – 20VDC, 3ADC, 60 W max |
CABLE LENGTH | 3.28 ft. |
CABLE TYPE | USB-C |
INTERNAL BATTERY:
CAPACITY | 66 Wh |
CELL CHEMISTRY | Polymer Lithium-Ion |
CELL TYPE | Pouch Cell |
DISCHARGE TEMPERATURE | -20 ̊C to +50 ̊C (- 4 °F to +122 °F) |
CHARGE TEMPERATURE | 0 ̊C to +45 ̊C (32 ̊F to 113 ̊F) 1 year |
SHELF LIFE | 1 year |
LIFE SPAN | 300 cycles, 80% |
NOTE: External artwork updates may have been made. Internally, the product remains the same.
Part Number: 40-462
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