Eurocom D900F Panther Workstation - Manual (Page 74)

Power Management
3 - 16 Battery Life
3
How do I fully charge the battery?
When charging the battery, don’t stop until the LED charging indicator light changes
from orange to green.
How do I maintain the battery?
Completely discharge and charge the battery at least once every 30 days or after
about 20 partial discharges.