How long a full charge on a new M6400 battery last?

Hello world!

I recently bought a used Dell M6400. A former model, I know, but it came with 12 GB of RAM, a 120 GB SSD, which I guess uses less power than a HARD drive with a rotating disk and upgrading the Q9300 chip.

Currently, when fully charged, the battery lasts about 100-120 minutes. I have considered buying a new battery for it, but batteries for the M6400 are much more expensive than the 6, 9, or even 12 batteries that can be purchased for the E6500 or models similar.

So, before you spend money on a new battery, that I would like to know is: how long a new battery to full charge last?

I know it means a lot on what you use it for. Note that I am * NOT * a gamer: no heavy graphics. I simply use it to more 'normal' stuff, standard e-mail on a browser, reading, articles and forums online, Google Docs stuff, social media (Facebook, for the most part), that sort of thing. YouTube stuff, but not a lot of video streaming (without NetFlix or something like that).

If I can get six hours 'normal use' of a new fully charged battery, it would be worth me spending $45 - $60 for a new battery. But if I only get three hours (that is, an extra hour or almost), I'll probably wait until my current battery is down to maintain a charge for only about 30 minutes before taking the plunge.

Thanks is advance for any advice on this!

Greg

The CPU only QX9300 draws 45W of power when they are in full operation - there is no way you will ever see runtime on a single six-hour battery in a power like this hungry system.  If you get three hours of a new battery even that is probably exceptional for this configuration.  Most reasonably expect is all around 2 hours - or everything that your see.

Tags: Dell Laptop

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