Just charge up CS FREE's internal battery and keep it with you wherever you go, and it'll stay fully charged for up to a year. CS FREE features our revolutionary Adaptive Boost technology to quickly get you going from a flat battery. CS FREE automatically analyses the state of your battery and adjusts to the battery's voltage level. It then works out the safest and quickest way to give your battery the power it needs to start your vehicle within 15 minutes. CS FREE works anywhere and can even be powered by solar or a 12V battery for longer term maintenance charging.

The CS FREE is the world's first fully portable battery charger and maintainer with Adaptive Boost to get your flat battery going quickly and safely – without the need for mains power. In other words, it's a 12V power bank for your vehicle that works with both lead-acid and lithium (12V LiFePO4) batteries. Plus, it'll keep your portable tech, like phones, laptops & cameras topped up too. So simply charge it up, take it with you and use it anywhere!

QUICK TO GET YOU GOING

The CS FREE is a portable Adaptive Booster that will get you going from a flat battery within 15 minutes.

CHARGE IT UP!

Just charge up the CS FREE's internal battery and you’ve got a 12V power bank that will stay fully charged until you need it – for up to a year. And with USB-C connectivity, you can fully recharge your CS FREE in just one hour!

NO POWER? NO PROBLEM!

If you have a car, a motorcycle, a boat or any other 12V vehicle and want to charge and maintain for longer periods of time... well no worries! We some optional handy accessories to enable charging via solar panel or a 12V service battery.

• Works with all types of 12V lead acid and lithium batteries.
• Suitable for use on motorbikes, cars, leisure vehicles and vans.
• Can be left safely connected for maintenance charging.
• Can be charged and used with 12V accessory socket, 12V service battery or solar panel.
• Easy to use, easy to operate, easy to understand.
• Easy to carry around or wall mount using the optional CS Wall Mount.
• Compatible with new CTEK CS FREE accessories.
• Protects your battery, safe and easy to use and fully automatic.

• Brand: CTEK
• Model: CS FREE
• Battery Capacity: 10-130 Ah
• Battery Capacity CEC-400: 10-130 Ah
• Changing Category: AC Charging; DC Charging
• Battery Voltage: 12V
• Battery Chemistry: Lead Acid; Lithium-ion
• 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
• Frequency: 50-60 Hz
• Input: USB-C, 5 VDC – 25 VDC, 3 ADC/60 W max
• Output: 12 V, 20 A/240 W max
• Battery types: 12 V:; WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO₄
• Rated voltage (Input): 100 VAC – 240 VAC
• Degree of protection: IP54
• Enclosure material: Plastic
• User interface: LED symbols
• Detachable charging cable length (output): 2m
• 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 lifespan: 300 cycles, 80%
• Internal battery shelf life: 1 year
• Internal battery weight: 0.5 kg
• Mains adapter cable length: 1m
• Mains adapter cable type: USB-C

IN THE BOX

• 1 x CTEK CS FREE
• User Manual is accessible online

SIZE & WEIGHT

• Product Dimensions (W x L x H): 98 x 248 x 78mm
• Product Weight: 1.4kg
• Carton Weight: 2 kg
• Carton Dimensions (L x W x H): 19 x 9 x 29cm