Suitable for both diesel and petrol engines from 1200cc to 1800cc. For use with 12 volt lead acid car batteries between 20 - 70Ah. Standard battery charge time from flat 70Ah - 18hours. Short circuit protection, reverse polarity protection and built-in auto reset breaker for overload protection. Full charge automatic switching to maintenance mode. LED showing charging status and reverse polarity warning. Charging rates 6 amps RMS. Conforms to CE safety regulations.