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- Battery capacity - Compaq vs HP
July 25, 2005, 10:25 pm
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My Compaq Presario V1000 comes with a battery with these rating : 10.8V
4.4AHr. It has enough juice for about 2.5hours of office usage (word
My colleague has a HP laptop which looks almost the same as mine (the
placement of all the ports, speakers, etc etc are identical; only some
buttons are round instead of rectangular). I think both are based on
the same design. Anyway this laptop comes with a diferent battery pack
with rating of 18V (and around 4AHr IIRC). My colleague said he can get
more than 3hours usage from each charge.
Both machine came with identical charger (DC output is 18.5V/3.5A).
a) Is the 18V rating on the HP pack for real or a typo?
b) Is it normal to have such high voltage for a laptop?
c) If I plug the HP battery into the Compaq, will it fry the Compaq?
d) Is it fair to assume that the Compaq does have some form of