CTEK PRO15S 15A 12V Battery Charger Maintainer Workshop Automatic Lithium Smart

Risk-Free 14 Day Returns

If you change your mind, return it to us within 14 days of the date you received it, no questions asked.
T&Cs apply

The PRO15S is a powerful and fully automatic 15A battery charger and maintainer, compatible with any 12V battery, including lithium (LiFePO4, Li-Fe, Li-iron, LFP). Safe, strong & robust, it can handle heat, dust & humidity.

Combining fast and powerful charging with long-term maintenance capability, the PRO15S is the ideal charger for workshops, cars, caravans or boats. Advanced technology will ensure that a safe, fast charge is delivered to exactly meet the needs of the individual battery.

The PRO15S has a dedicated reconditioning programme to restore battery life & recondition flat batteries. SUPPLY mode can act as a secure 12V power source if the battery needs to be disconnected from the vehicle.

The PRO15S has low voltage & current ripple, so it’s safe for the battery & the vehicle’s delicate electronic systems. Fully automatic & easy to use, it’s also very simple to connect, spark proof and reverse-polarity protected to protect the user & also the battery.

Whilst the PRO15S is lightweight & portable, rugged, impact-resistant casing means it can also handle the toughest environments.


  • Brand: CTEK
  • Model: PRO15S
  • Input: 220–240VAC, 50–60Hz, 1.8A max
  • Output: 14.4/15.8/13.6V, 15A max, Lead-acid battery types.
  • 13.8V/14.4V/13.3V, 15A max, LiFePO4 battery type.
  • Back Current Drain: Corresponding to less than 1Ah/month
  • Ambient Temperature: -20ËšC to +50ËšC
  • Battery Types: WET, MF, Ca/Ca, AGM, EFB, GEL, LiFePO4
  • Battery Capacity: 20-350 Ah / Lead-Acid battery types. 20-300Ah / LiFePO4 battery type
  • Charge cables length: 2000 mm (DC cable)
  • Mains cables length: 1900 mm (AC cable)
  • Insulation Class: IP44
  • Warranty: 2 Years


  • 1x CTEK PRO15S Battery Charger
  • User Manual is accessible online


  • Carton Weight: 2.1kg
  • Product Weight: 1.8kg

SKU: CTEK-40-196

We accept Change of Mind returns for 14 days after you have received the item in cases where you have changed your mind or made an incorrect purchase and wish to return the product. This also applies to orders cancelled when the item has already been dispatched from our warehouse. The item must be in a re-saleable condition to qualify for a change of mind refund. Deductions may apply including Initial and Return Shipping, as well as restocking fee of 10% of the product price


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