HCL Notebook Computer User Manual page 23

User's Guide Getting Started
Warning!
For safety reasons, DO NOT throw the battery in fire, DO NOT short circuit the contacts, and DO not disassemble the
battery. If there is any abnormal operation or damage to the battery pack caused by impact, turn OFF the Notebook
PC and contact HCL authorised service center
Note:
To achieve optimal battery performance, you may need to do a battery calibration at a 3-month interval. To do this:
Fully charge the battery.
Fully discharge the battery in idle mode till it shutdown.
Fully charge the battery again.
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