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 What is the powerbank?, Updated with Xiaomi Powerbank

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SUSnordingh
post Jun 10 2014, 07:57 PM

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QUOTE(x-treme @ Jun 10 2014, 06:46 PM)
Slow charging ?
Do you mean the time required to charge the powerbank ? 11200mAh is really big capacity. 1A charger required more than 12 hours while 2A charger required more than 6 hours charging time.

Do you mean the time required to charge the phone? Because if you are using data cable, the charging rate will be slower. That is USB charging. If you are using charging cable to charge the phone (data pin shorted), it will provide AC charging, which is fast.
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slow to charge the phone.
Lineage
post Jun 10 2014, 09:12 PM

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QUOTE(x-treme @ Jun 10 2014, 06:46 PM)
Slow charging ?
Do you mean the time required to charge the powerbank ? 11200mAh is really big capacity. 1A charger required more than 12 hours while 2A charger required more than 6 hours charging time.

Do you mean the time required to charge the phone? Because if you are using data cable, the charging rate will be slower. That is USB charging. If you are using charging cable to charge the phone (data pin shorted), it will provide AC charging, which is fast.
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For Pineng Powerbank, the input only 1A max..so even use 2A charger, still need over 12 hours to charge full from flat.. shakehead.gif
TSx-treme
post Jun 10 2014, 09:14 PM

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QUOTE(Lineage @ Jun 10 2014, 09:12 PM)
For Pineng Powerbank, the input only 1A max..so even use 2A charger, still need over 12 hours to charge full from flat..  shakehead.gif
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my pineng PN910 input 2A max biggrin.gif
Lineage
post Jun 10 2014, 09:17 PM

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QUOTE(x-treme @ Jun 10 2014, 09:14 PM)
my pineng PN910 input 2A max biggrin.gif
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So good.. blink.gif
Today purposely go get Xiaomi powerbank..but too bad..unable to get it before sold out.. sweat.gif
TheWandererX
post Jun 10 2014, 09:20 PM

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Thank you for the informative thread TS.

Any idea why the 1A output statistics look weird for the Xiaomi powerbank? Please do share.
TSx-treme
post Jun 10 2014, 09:26 PM

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QUOTE(TheWandererX @ Jun 10 2014, 09:20 PM)
Thank you for the informative thread TS.

Any idea why the 1A output statistics look weird for the Xiaomi powerbank? Please do share.
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ya it really look weird for the statistics.
May be the next test I attach 2 multimeter to monitor the voltage and current flowing. thumbup.gif
TheWandererX
post Jun 10 2014, 09:41 PM

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QUOTE(x-treme @ Jun 10 2014, 09:26 PM)
ya it really look weird for the statistics.
May be the next test I attach 2 multimeter to monitor the voltage and current flowing. thumbup.gif
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Sounds good! Great to have a knowledgeable person contribute to forum discussions. MechEng student here, secretly interested in EEE but no balls to take up EEE. laugh.gif
cactuscch
post Jun 18 2014, 10:42 AM

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I'm interested to know how good is xiaomi 5200mAh powerbank. I read somewhere that 10400mAH has up to 93% efficincy while the 5200mAh has up to 85% efficiency. It'll be great to include testing of the 5200mAh version powerbank.
obs5279
post Jun 18 2014, 11:58 AM

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Would like to ask, I own a xiaomi powerbank 3 weeks ago, the output amp stated 2.1A but my phone (ip5) only 1A, will it spoil my phone battery?
WhitE LighteR
post Jun 18 2014, 11:59 AM

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QUOTE(obs5279 @ Jun 18 2014, 11:58 AM)
Would like to ask, I own a xiaomi powerbank 3 weeks ago, the output amp stated 2.1A but my phone (ip5) only 1A, will it spoil my phone battery?
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no.
TheWandererX
post Jun 18 2014, 12:03 PM

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QUOTE(obs5279 @ Jun 18 2014, 11:58 AM)
Would like to ask, I own a xiaomi powerbank 3 weeks ago, the output amp stated 2.1A but my phone (ip5) only 1A, will it spoil my phone battery?
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It would've helped if you actually went to the website that sells this product to find out. brows.gif

user posted image
ben5173
post Jun 18 2014, 01:53 PM

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thank you TS for sharing all these valuable information. Keep up the good work. =)
soulhunter87
post Jun 18 2014, 01:59 PM

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have u done test on philips 20000mah power bank?
obs5279
post Jun 18 2014, 02:57 PM

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QUOTE(TheWandererX @ Jun 18 2014, 12:03 PM)
It would've helped if you actually went to the website that sells this product to find out.  brows.gif

user posted image
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lol, anyway appreciate and thanks for your explanation rclxms.gif .
TSx-treme
post Jun 20 2014, 11:39 AM

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QUOTE(soulhunter87 @ Jun 18 2014, 01:59 PM)
have u done test on philips 20000mah power bank?
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nope. I would appreciate if someone can lend me a unit for test. rclxms.gif
TSx-treme
post Jun 20 2014, 11:40 AM

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QUOTE(obs5279 @ Jun 18 2014, 11:58 AM)
Would like to ask, I own a xiaomi powerbank 3 weeks ago, the output amp stated 2.1A but my phone (ip5) only 1A, will it spoil my phone battery?
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Actual charging current might be vary according to how much current can be absorbed by phone.
It is not necessary must be 2.1A during charging. biggrin.gif
TSx-treme
post Jun 20 2014, 11:41 AM

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QUOTE(cactuscch @ Jun 18 2014, 10:42 AM)
I'm interested to know how good is xiaomi 5200mAh powerbank. I read somewhere that 10400mAH has up to 93% efficincy while the 5200mAh has up to 85% efficiency. It'll be great to include testing of the 5200mAh version powerbank.
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Ya, i will spend my time to do the test if i get the 5200mAh unit. rclxms.gif
NoKusshon
post Jun 20 2014, 02:12 PM

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If 5200mah, i think can re-charge 4x times of ip4s hehe wink.gif
soulhunter87
post Jun 20 2014, 02:40 PM

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QUOTE(x-treme @ Jun 20 2014, 11:39 AM)
nope. I would appreciate if someone can lend me a unit for test.  rclxms.gif
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my hand is itching to buy one. if only u have tested, i would not think twice sweat.gif
Lineage
post Jun 20 2014, 03:47 PM

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QUOTE(NoKusshon @ Jun 20 2014, 02:12 PM)
If 5200mah, i think can re-charge 4x times of ip4s hehe wink.gif
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Max 3 times or less only..impossible 4 times..unless u charge from 50%..then maybe can..

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