| Feature | Standard B22 Battery | SRT Service Reset Tool | |---------|----------------------|------------------------| | Energy storage | Yes (Li‑ion) | No | | Powers tool | Yes | No | | Resets shot counter | No | Yes | | Reads fault codes | No | Yes | | Field replaceable | Yes (user) | No (service center only) |

💡 The SRT tool is the bridge between physical maintenance and digital permission, ensuring pros stay on schedule.