Max 3 times or less only..impossible 4 times..unless u charge from 50%..then maybe can..

Ah i see, thank you for the info sir  Hm, but my Eneelop Power booster which is 2500mah can charge 2.5 times from 0% 

How much the rated power of Eneloop? how many Wh?

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.

So we use this value 35.84Wh/37.44Wh x 100% = 95.73%

I really can't believe even at high current output 2A it does give the efficiency above 95%

The unit did not getting warm when discharging @1A but it get hot when discharging @2A.
The aluminium case helps a lot to dissipate the heat to keep the component cool.

Anyone tested the Xiaomi powerbank can share with us.

95%it is good or bad??

95%it is good or bad??

So conclusion is.. Xiaomi powerbank is worth the money?

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.

nope. I would appreciate if someone can lend me a unit for test. 

So conclusion is.. Xiaomi powerbank is worth the money?

how do we calcalute the power rating of our phone battery?

let'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

They is a cable can buy to test the current..

only at rm25.

Hi, how do i check the powerbank MAH?

do what TS did to more accurately check the actual capacity.