> As it is if you care you can get adapters on eBay/Amazon for cheap.
In my experience, that's usually from one proprietary format to another (e.g. I have an adapter to use older "18V" DeWalt batteries in newer "20V" tools. But I haven't had much luck finding an adapter that would let me use 18650s in my cordless drills.
In my experience, that's usually from one proprietary format to another (e.g. I have an adapter to use older "18V" DeWalt batteries in newer "20V" tools. But I haven't had much luck finding an adapter that would let me use 18650s in my cordless drills.