If you're looking for rechargeable batteries for AirPods Pro, specifically models A2084, A2083, and A2190, these are the batteries used in earlier versions of the AirPods Pro. These models require specific Li-ion or Li-Po batteries with a compact form factor for use inside the charging case or the AirPods themselves.

Here’s a brief breakdown of these models:

• A2084: Typically refers to the battery in the AirPods Pro charging case.

• A2083: The battery used inside the left AirPod.

• A2190: The battery used inside the right AirPod.

These batteries are generally custom-sized and require precision to replace. If you're looking for replacement batteries, ensure you source them from reputable suppliers who specialize in original parts or certified replacements. It’s also important to note that these batteries might not be directly available through regular consumer channels, so you may need to reach out to manufacturers or component distributors.

Let me know if you need further guidance on where to source them or any more details on compatibility and installation!