Battery Charger CTEK CS Free

12V | Adaptive Booster (Alternative to Jump Starter), Battery Charger & Maintainer

CS FREE is the ultimate all-in-one solution for quickly reviving discharged batteries and keeping your vehicle batteries in top condition — wherever you are.
Say goodbye to jumper cables! With its Adaptive Boost technology, CS FREE safely and quickly gets your flat battery started again without the risk of damaging your battery or vehicle electronics.

Far from a power outlet? No problem. CS FREE keeps your battery in perfect shape anywhere, giving you the freedom to charge and maintain all 12V lead-acid or lithium (LiFePO₄) batteries using a solar panel or a separate service battery.

Need power for your electronic devices? CS FREE also doubles as a high-tech power bank, letting you charge your USB devices whenever you need to stay powered and connected on the go.

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Features

• All-in-one solution to start discharged batteries and keep your vehicle batteries in optimal condition.

• Replaces jumper cables with Adaptive Boost – a safe and easy way to revive a dead battery.

• Recharge your CS FREE via mains power using the included USB-C power adapter, or via solar energy, a separate service battery, or your vehicle’s 12V socket using CTEK accessories.
  (Note: CS FREE is not compatible with CTEK CONNECT or INDICATOR accessories.)

• Charge and maintain all 12V lead-acid or lithium (LiFePO₄) vehicle batteries via solar panel or separate service battery.

• User-friendly interface with simple operation and clear, easy-to-read displays.

• No mode selection needed – just connect, and CS FREE does the rest automatically.

• Countdown timer shows when there’s enough power to start your vehicle and how long remains until the battery is fully charged.

• Equipped with USB-C and USB-A outputs for charging devices such as laptops, smartphones, and tablets.

• Modern, durable design with a tough and robust casing.

• 2-year peace-of-mind warranty.