The ryobi bcl14181h one43 super charger has dual chemistry capacity which charges all ryobi 18v one43 batteries both ni cd and li ion this fast charger can charge the rb18l13 in 45 minutes and the rb18l15 in 1 hour featuring led charge indicators and a maintenance mode so that the batteries stored on charger are conditioned for peak performance specifcation voltage 14 18 volt battery chemistry ni cd and li ion