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. 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.