I've had my HP EliteBook 8440p for several years now, and while it may be 'outdated' it still does what I need it to without issue, with the exception of the original battery being about useless - dying within 5 minutes.My luck with aftermarket batteries has generally been pretty negative, but this one seems to be the exception. Under normal fairly light usage (Web browsing, quickbooks, email, etc) I get a little over 2 hours of battery life. About the same I got with the OEM battery when it was new. No complaints.
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