The CTEK PRO25S 25A Battery Charger and Power Supply is designed to meet the needs of the automotive professional. Combining power and advanced technology with safety, portability, and flexibility to work with any 12V vehicle battery, including lithium (LiFePO4, Li-Fe, Li-iron, LFP), the PRO25S is ideal for professional battery charging, in the workshop, or the showroom. Fully automatic and easy to use, it’s also simple to connect, spark-proof, and reverse-polarity protected to protect the user and the battery.