Ctek 8A battery charger CTEK CS ONE 40-330

CTEK CS ONE – smart 12 V / 8 A battery charger with APTO™ technology

Fully automatic charger using APTO™ adaptive charging technology – it recognizes the type and condition of the battery and automatically adjusts the charging algorithm. Suitable for most 12 V lead-acid and LiFePO₄ lithium batteries for cars, motorcycles and boats.

Key benefits

• APTO™ adaptive charging – no need to select modes, the charger does everything itself
• 12 V / 8 A power for fast and safe charging
• Suitable for both daily charging and long-term maintenance
• Non-polarity terminals – can be connected in any order, without the risk of mixing up plus/minus
• Very easy to use – no buttons and complicated settings
• Bright LED indicators show how much time is left until full charge

Compatible batteries

• 12 V lead-acid batteries: WET, MF, Ca/Ca, AGM, GEL, EFB
• 12 V lithium batteries: LiFePO₄

Safety and ease of use

• IP65 protection – dust and splash water resistant, suitable for use both in the garage and outdoors
• Spark-free operation, with reverse polarity protection
• Low voltage and current ripple levels – safe for modern car electronics
• Compact, easy-to-carry case

CTEK app and additional modes

Using the free CTEK app on your smartphone, you can open additional functions:

• RECOND – for restoring deeply discharged lead batteries
• WAKE UP – for “waking up” lithium and deeply discharged batteries
• SUPPLY – power supply mode for ECU programming or voltage maintenance
• ADVANCED SETTINGS – additional settings for advanced users

Technical data

• Voltage: 12 V
• Max. charging current: 8 A
• Protection class: IP65
• Dimensions (L × W × H): 235 × 88 × 52 mm

Warranty: 5 years