The PRO25S is a lightweight and portable car charger ideal for use by technicians in busy workshops and garages. It is fully automatic, making it easy to use, and its reliable 12V power supply keeps the vehicle's stored data safe, preventing damage to sensitive ECUs and the vehicle's electronic systems.

It features fast 8-step charging, temperature compensation for ambient conditions between -20°C and +50°C (-4°F to +122°F), and is suitable for use with any 12V battery, including lithium batteries.

The CTEK PRO25S charger has automatic parallel load compensation, ensuring that the power supply and current intensity are always stable and accurate, even if additional load is placed on the battery during diagnostic checks.

It is also equipped with a "Recond" function to revive deeply discharged lead-acid batteries and a "wake-up" function for lithium batteries.