Top View - Dell Latitude 5420 Rugged Setup And Specifications Manual

3 Service tag sticker
5 Battery -1 Latch
7 Battery -1 charge indicator button
9 Battery -2 charge indicator LED
11 Battery -2 Latch

Top view

1 Power button
3 Touch pad
8 Chassis Overview
4 Battery -1
6 Battery -1 charge indicator LED
8 Battery -2 charge indicator button
10 Handle
12 Battery -2 (Optional)
2 Keyboard
4 Fingerprint reader (optional)