- External battery pack + power adapter 12800 mAh
- for Latitude 5420
- 7200 2-in-1
- 7400 2-in-1; Precision Mobile Workstation 3540
Charge your devices simultaneously with the world's first modular power. Its 2-in-1 design lets you carry the AC adapter or power bank or both modules for uninterrupted power at your desk and on the go.