CTEK CS FREE Portable Battery Charger - 12V

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$199.99
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$199.99
Regular price
$209.99
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CTEK CS FREE Portable Battery Charger - 12V

Accessories Available to Take Your CS Free Charger to the Next Level (Sold Separately)

CS Free Storage Bag (40-468)

CS FREE STORAGE BAG. Keep your CS FREE with you wherever you go in this practical, lightweight padded bag. The CS FREE STORAGE BAG is tough, durable, and lightweight to protect your CS FREE and keep it safe from the elements – wherever you take it. Designed and tested in Sweden, the CS FREE STORAGE BAG is made from heavy-duty 600D water repellent nylon with a protective padded interior and a practical carrying handle. The smooth metal zip gives you quick access to your CS FREE so it’s ready to go whenever you need it.

CS Free USB-C Charging Cable, 12V plug (40-464)

Quickly charge your CS FREE in just one hour using your vehicle’s 12V cigarette lighter or accessory socket, so it’s ready whenever you need it. The USB-C CHARGE CABLE 12V PLUG makes it safe and easy to charge your CS FREE’s internal battery while you’re on the move, or when your vehicle is parked. Simply plug it into your vehicle’s 12V cigarette lighter or accessory socket* and connect the USB-C plug to the CS FREE’s charge input port. The USB-C CHARGE CABLE 12V PLUG has a tough, hardwearing and flexible cable designed and rigorously tested in Sweden. *Please note that the socket must be powered even when the ignition is in the ‘OFF’ position.

CS Free Solar Panel Charge Kit (40-463)

The CTEK SOLAR PANEL CHARGE KIT lets you recharge your CS FREE’s internal battery using just solar power. You can also use it to power the CS FREE without connecting to a power outlet, so you can charge and maintain your vehicle battery wherever you are. The SOLAR PANEL CHARGE KIT pairs perfectly with the CS FREE. It delivers fast, reliable solar power so you can recharge or even independently power your CS FREE wherever you take it. Made from super tough fiberglass, you simply unfold it and connect it to your CS FREE in seconds, giving you the ultimate freedom from power outlets. Charge and maintain your vehicle battery or charge up portable tech like smart phones, pads and laptops, even when you’re nowhere near a power outlet. The SOLAR PANEL CHARGE KIT features intelligent and efficient silicon cells with a specially developed safety box so the kit delivers exactly the right

CS Free USB-C Charge Cable Clamps (40-465)

CTEK CS FREE USB-C CHARGE CABLE CLAMPS. Use a separate 12V service battery to power your CS FREE without being connected to a power outlet. The USB-C CHARGE CABLE CLAMPS have been designed in Sweden to power your CS FREE quickly, safely, and easily from a 12V service battery. The clamps let you charge and maintain your vehicle battery wherever you are and without having to connect to a power outlet. Simply attach the red and black clamps to the service battery’s corresponding positive and negative terminals, and connect the USB-C plug to the CS FREE’s charge input port. The USB-C CHARGE CABLE CLAMPS have tough, hardwearing, and tangle-free cables that have been rigorously tested in Sweden.

Product Description

CTEK’s CS FREE is the world’s first multi-functional portable battery charger and smart maintainer with Adaptive Boost technology. You can charge and maintain any 12V lead acid or lithium battery anywhere using a power outlet, solar or leisure battery power. If your battery’s dead, CS FREE’s revolutionary Adaptive Boost technology will work out the safest and quickest way to power up your battery to get you going within 15 minutes. Use it as a portable charger to top off your battery plugging into a power outlet, or hook it up to a solar panel kit or 12V battery for complete charging freedom anywhere you go. CS FREE also features our revolutionary Adaptive Boost technology so if your vehicle won’t start, just connect it up and CS FREE will automatically analize the state of your battery. The CS FREE will work out the safest and quickest way to give the battery the power it needs to start your vehicle within 15 minutes. Unlike most ‘boosters’, CS FREE is sensitive and safe, avoiding damage to your battery or vehicle’s electronics by only giving it the charge it needs to get you going. CS FREE is also a smart maintainer and hi-tech powerbank to keep your battery and tech powered up so they’re always ready to go.


Product information

Technical Details

Manufacturer ‎CTEK, Inc.
Brand ‎CTEK
Model ‎CTEK CS Free
Item Weight ‎3 pounds
Product Dimensions ‎9.8 x 3.9 x 3.1 inches
Country of Origin ‎China
Item model number ‎2005
Batteries ‎1 Lithium Ion batteries required. (included)
Is Discontinued By Manufacturer ‎No
Manufacturer Part Number ‎40-462
Voltage ‎20 Volts


CTEK CS FREE Technical Specifications

INPUT USB-C, 5 VDC – 25 VDC, 3 ADC/60 W max
OUTPUT 12 V, 20 A/240 W max
START VOLTAGE 3.0 V
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
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
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