I do the same with EGO 52 volt batteries. These also have no unedrvolt/over-discharge* protection but for me this is better because my controller handles that a

I do the same with EGO 52 volt batteries. These also have no unedrvolt/over-discharge* protection but for me this is better because my controller handles that and I can regen brake (p sure you can't with I assume you're talking about Ryobi 40v as they're the most common maker I've seen of that standard for power tools.) *This is also true for Dewalt 20v.