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What is the best portable battery for 3-4 recharges?Dell Inspiron 7559

When i bought this laptop i expected a battery life of 10 hours, but only with a browser on, it drains within an hour and barely goes on for 2 hours with battery saver on.

So now i wanted to go out and relax and use my laptop for at least 3-4 hours.

Can anyone suggest a good portable battery charger ?

Also how much should power battery should i get?

My specifications are :-

nstalled batteries

Information about each currently installed battery

BATTERY 1

NAME Dell

MANUFACTURER SIMPLO

SERIAL NUMBER 1642

CHEMISTRY PBAC

DESIGN CAPACITY 73,997 mWh

FULL CHARGE CAPACITY 70,589 mWh

CYCLE COUNT -

Let me rephrase : -

What battery should i select from Amazon with my specifications ? I don't understand the convention of mWH and mAH. They require voltage to be convertible and i don't know which one to take

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@gildesh my concern would be why your computer is using 6amps an hour if you are only using your browser. Sounds like you have a bad battery and instead of using a portable charger, I'd replace the battery. Something like this should work for you.

Update (10/20/2017)

@gildesh just did some research on your computer. It is far from your expected runtime of 10 hours battery. Here is some of the data that reflects why it does not last longer than 2hours max:

Power Consumption (in Watts)

Idle Minimum 9.4

Idle Average 14.4

Idle Maximum 15

Load Average 102

Load Maximum 120

So the Dell Inspiron 15 7559 has a battery runtime of ~232 min +/- 9% Information from here

The biggest challenge here seems to be the CPU/GPU combination. Your battery time will not get better. Also keep in mind that your AC adapter (I do not know how many Amps it delivers) may not be sufficient enough to cover the power usage of your computer and your battery may get drained even so you have your computer plugged in.

Something like this will give you about 3-4hours of time.

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Okay, this might sound amateur, but how can i be sure that it will work? I mean i brought this computer from Amazon with decent reviews (both number of and quality of) yet it has a crappy one.

One guy told me that it is the Dell Inspiron 7559's faulty structure which is the cause of this.

さんによる

oldturkey03, mate please!!! help

さんによる

@gildesh check the updated answer

さんによる

The charger actually works fine. IT charges really quick but iam looking at your suggestion. Thanks!

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Hi!

Dell themselves are selling some kind of portable battery for their laptops if I'm not mistaken. However it's not really large enough to charge your laptop more than once... You'd be lucky actually to get it to charge all the way with this thing. And it's fairly expensive, too. The link will be below. Laptops simply weren't built to be recharged using power banks.

http://www.dell.com/en-us/work/shop/dell...

PS: A great way to extend your battery life is to lower your screen's brightness (on your laptop you can do that with Fn+F11). If you drop it down to something like 50-60% you'll see a noticeable improvement.

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Kindly re-look the question. I added a small part at the end.

さんによる

Okay...sorry unable to comprehend the language. Can you post the english version and more importantly, confirm whether that power bank would go on for at least 3-4 hours? (if its a powerbank)

さんによる

@gildesh yes it is. It delivers 18000mAh and your computer. According to your computer draining the battery in one hour, this bank would last for about 3 hours.

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Abhay Saini さん、ありがとうございました!
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