Ryobi OP404VNM 40V Lithium Battery Charger

Ryobi 40V Lithium battery charger. It's a model OP404VNM with input/output of 42V, 1.5A. Features charge LED indicator lights. Works great, only used it to charge a. Few batteries and that's it but works. Well and nothing's wrong with it. *Only used to charge the new 40v.. lithium Ion Ryobi batteries. Thanks