CTEK Battery Charger PRO15S - The ideal showroom and workshop companion The PRO15S from CTEK features the highest quality and most current advancements in 12v battery charging technology. The PRO15S is a powerful, fully automatic 15A battery charger and battery maintainer, compatible with any 12v battery from 20Ah to 350Ah. Thanks to its strong, robust construction and clever technology, it can withstand heat, dust, humidity, and anything else you can throw at it, making it a great charger to have around a bustling workshop or showroom floor. The PRO15S packs a bunch of features, with fast and powerful charging technology and long-term maintenance charge cycles, the PRO15S is the ideal 12v battery charger for so many applications. Thanks to its reconditioning programme, the PRO15S car battery charger can restore battery life and recondition flat batteries otherwise destined for the tip. The PRO15S 'supply' mode can work as a secure 12v power source to work in place of the battery during diagnostic or fault-finding work when the battery has been removed or disconnected. Charging a battery can be daunting for some, with cheaper battery charger posing the risk of injuring yourself or damaging the car you're working on but fear not as the PRO15S is packed with a bunch of safety features, including reverse polarity protection, to ensure safe operation.