Dell Chromebook 11 3180 Disassembly And Reassembly Manual page 64

5 Type battery_test 1 into CROSH, and then press Enter.
6 Check the result to confirm that the battery is charging.
Check battery health
Follow the steps to evaluate the health of the Chromebook battery, and check the discharge rate:
1 Disconnect the AC adapter from the Chromebook.
2 Turn on and sign in to Chromebook.
3 Open the Chrome browser.
64 Diagnostic and troubleshooting