Okay, so I finally got these P100 replacement batteries for my old Ryobi tools. Here's the real tea:

First off, they DO work! My ancient yellow drill came back to life like Frankenstein's monster (but in a good way). Saved me from buying a whole new tool.

The runtime seems decent - not quite OEM level but close enough for DIY projects. They fit all my Ryobi stuff: drill, circular saw, even that weird flashlight I never use.

BUT... the charger situation is whack. Had to buy a special third-party charger because my original wouldn't recognize them. Seller should've warned about this.

Price is meh - not terrible but not amazing either. At this point I'm just praying they last half as long as my OG Ryobi batteries did (RIP to those legends).

Final verdict? Solid 4/5 if you're willing to deal with charger headaches. Would buy again... maybe.