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[Q] Does a usb powered battery "last less"?

21st May 2014, 06:17 AM |#1  
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I bought myself one of those portable batteries to charge my phone and tablet on the go. It always seems like when I charge my Nexus 5 from the wall charger the battery lasts longer than when I do it from my car usb, or the portable battery itself. I could get 90% from the wall charger and get to 90% from the portable battery and the latter seems to drain faster. Am I just am I imagining things?
 
 
21st May 2014, 09:42 AM |#2  
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The problem with using a battery pack is that you are filling up with poor quality electricity. If you charge from the wall you know exactly where it has come from, kind of like fair trade organic apples

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21st May 2014, 09:45 AM |#3  
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Quote:
Originally Posted by javiwankenobi

I bought myself one of those portable batteries to charge my phone and tablet on the go. It always seems like when I charge my Nexus 5 from the wall charger the battery lasts longer than when I do it from my car usb, or the portable battery itself. I could get 90% from the wall charger and get to 90% from the portable battery and the latter seems to drain faster. Am I just am I imagining things?

You are just imagining.

Tapatalk-kal küldve az én Nexus 5-el
21st May 2014, 10:55 AM |#4  
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Quote:
Originally Posted by javiwankenobi

I bought myself one of those portable batteries to charge my phone and tablet on the go. It always seems like when I charge my Nexus 5 from the wall charger the battery lasts longer than when I do it from my car usb, or the portable battery itself. I could get 90% from the wall charger and get to 90% from the portable battery and the latter seems to drain faster. Am I just am I imagining things?

is it possible that when you top up when out and about, you are more likely to be using your device a bit heavier (more screen-on or active time), while wall charger implies charging at home therefore implies using device a bit less?

Edit/OT: ooo this was post 666 for me!
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21st May 2014, 11:06 AM |#5  
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Quote:
Originally Posted by pepdavies

The problem with using a battery pack is that you are filling up with poor quality electricity. If you charge from the wall you know exactly where it has come from, kind of like fair trade organic apples

Sent from my Nexus 5 using XDA Premium 4 mobile app

You Sir, are a science genius !!

Sent from my Nexus 5 using XDA Premium 4 mobile app
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21st May 2014, 11:07 AM |#6  
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Happened to me and solved by Galaxy S4 charger
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