Semi-OT: Laptop battery calibrations

Ok, before using a new laptop without power supply I wanted to dutifully calibrate its Li-Ion battery since the manual said so. This routine is part of the Phoenix BIOS. After 8hrs the routine still hung at "Step 1: Battery is being charged - Remaining capacity (%): 89". Drat. Called service and they said not to bother. If I wanted this BIOS routine to run right I may have to "re-flash" the whole drive, losing all data and programs. Weird, I thought a BIOS is in an EEPROM, not on the HD. But he said calibration isn't that important (their ads tout it though). Puzzling.

Isn't occasionally letting the laptop run until it does a low-battery shut-off almost the same as a calibration? IOW, is calibration really needed? My older laptops didn't need any.

--
Regards, Joerg

http://www.analogconsultants.com
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