Charging any battery just got a whole lot simpler with the CTEK CS One. Its revolutionary APTO (adaptive charging) technology takes the trickiness out of charging a vehicle’s battery system.
With dedicated app control to unlock additional features it may be the most advanced charger available today.
APTO technology automatically recognises the type of battery in use and then automatically delivers a customised charging program, displaying key information including the likely duration of the charge period.
There are no buttons to press or modes to select, just connect the CS One to any 12V battery and charge.
Polarity-free clamps mean there isn’t even a need to make sure the right clamp goes on the right battery post.
The clamps are spark-free too, meaning there’s no issue with them accidentally making contact with each other.
Users can unlock additional features using the Bluetooth-enabled CTEK App.
Select ‘Recond’ to restore and recondition a battery. Choose ‘Wake up’ for lithium batteries with under voltage protection or to bring deeply discharged lead-acid batteries back to life. Select ‘Supply’ to turn the CS One into a useful 12-volt energy supply.
It is also easy to monitor the voltage and amps being delivered by the charger.

The CS One difference:
• Ease of use.
• No requirement to figure which is the positive (red) and negative (black) terminal , any will do.
• It requires no mode selection like previous chargers. Just connect and the CS One will do the rest and figure out what battery it is, what condition the battery is in and then plan the charging sequence.
• Information: the charger displays the amount of time remaining until full charge.
• The CS One will also advise if the battery is faulty.