Whether getting a regular 40V battery or the more efficient ... Before you give up and throw out your $60+ Ryobi battery, it's worth seeing just what the real problem might be.

Test the charger with a different Ryobi 40V battery to see if it charges successfully. This will help determine if the problem is with the battery itself. If the battery is still not charging ...

Even models with slightly different naming schemes, such as the Ryobi 40V and 40V HP batteries ... manual included with the newer One+ battery chargers, you should "Charge only Ryobi lithium ...