What is the powerbank?, Updated with Xiaomi Powerbank
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 Jun 20 2014, 11:40 AM
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#141
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Junior Member
264 posts Joined: May 2006 
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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? 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.  |
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Jun 20 2014, 11:41 AM
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#142
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Junior Member
264 posts Joined: May 2006
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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. Ya, i will spend my time to do the test if i get the 5200mAh unit.  |
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Jun 20 2014, 04:27 PM
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#143
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Junior Member
264 posts Joined: May 2006
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QUOTE(NoKusshon @ Jun 20 2014, 03:57 PM) Ah i see, thank you for the info sir How much the rated power of Eneloop? how many Wh? Hm, but my Eneelop Power booster which is 2500mah can charge 2.5 times from 0%  |
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Jun 21 2014, 09:30 AM
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#144
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Junior Member
264 posts Joined: May 2006
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QUOTE(NoKusshon @ Jun 20 2014, 04:29 PM) oh i forgot already..the only i know is the capacity is 2500mah FYI the mAh is not the correct rating to represent the capacity of the battery.  That's why we need to refer the power rating. |
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Jun 22 2014, 09:42 AM
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#145
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Junior Member
264 posts Joined: May 2006
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QUOTE(HuiEn @ Jun 21 2014, 03:44 PM) 95%it is good or bad?? It din't represent the actual efficiency. Since i did not open the case, i assuming the total capacity of the battery is 10400mAh. Based on what i am getting for the result, I think the battery they are using are more than 2600mAh per cell. It shouldn't be so high for the efficiency. I will carry out the test for 1A output to confirm the result.  |
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Jun 22 2014, 02:53 PM
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#146
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Junior Member
264 posts Joined: May 2006
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QUOTE(kimuxaki @ Jun 22 2014, 02:36 PM) So conclusion is.. Xiaomi powerbank is worth the money? ya i am pretty sure that most of the people here agree with this. But the problem is a lot of people don't even have chance to buy the powerbank, limited stock. |
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Jun 27 2014, 01:36 PM
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#147
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Junior Member
264 posts Joined: May 2006
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QUOTE(labtec @ Jun 24 2014, 02:17 PM) how do we calcalute the power rating of our phone battery? times with the voltage. Lithium battery is around 3.6-3.7Vlet's say samsung S5 battery is Li-Ion 2800 mAh, how do we convert it to wH? cuz i'm not sure what voltage to use |
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Jun 27 2014, 01:37 PM
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#148
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Junior Member
264 posts Joined: May 2006
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QUOTE(sunnychai99 @ Jun 26 2014, 11:11 PM) They is a cable can buy to test the current.. mind to share where to get the cable ? only at rm25.  |
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Jul 2 2014, 01:37 PM
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#149
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Junior Member
264 posts Joined: May 2006
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QUOTE(WhitE LighteR @ Jul 2 2014, 11:26 AM) do what TS did to more accurately check the actual capacity. i need some time. weekdays busy for work. weekend may have activities. |
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