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Nairaland Forum / Science/Technology / Technology Market / How Do Power Banks Work??? (764 Views)
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How Do Power Banks Work??? by barackodam: 5:22pm On Sep 19, 2014 |
Okay, curiosity made me ask this question. I use a mobile with battery power of 1700mah, I then bought a power bank of 2600mah. Takes 2hr plus to charge and has never gave my mobile more than 50% But I guess 2600 is more than 1700 so it should charge my phone fully and still remain, otherwise is the case. I then bought 2800mah also. This only gives my fone an average of 80% only once did it charge fully 100% This made me wanna ask, is it that the banks are inferior or that's how they work? ?? Cc mayorall |
Re: How Do Power Banks Work??? by mayorall(m): 6:24pm On Sep 19, 2014 |
That's not how power banks is. Meet top brand mobile power banks. Have you heard of mayor source power banks?. |
Re: How Do Power Banks Work??? by initialize(m): 7:15pm On Sep 19, 2014 |
barackodam: Okay, curiosity made me ask this question. PowerBanks work similarly to the concept of Conduction or Diffusion, where by there's movement of "Power/energy" through a region of higher concentration to a region of lower concentration through a medium (usb cable). During the movement of energy, there's energy loss to the environment which is about 20% of the PowerBank's actual/real capacity. Hence, for a full capacity 2600mah powerbank, the actual energy it can discharge to a 1800mah battery will be 2600mah - (20% of 2600)mah = 2600 - 520 = 2080mah. At equillibrum, where energy in the powerbank = energy in the battery....Charge may seize To ensure your Powerbank serves its back-up purpose, get at least 5200mah PowerBank for your 1800mah phone battery. I sell Phones, Tablets, Powerbanks, Phones accessories et al Contact me for Quality purchases ....Init with Full Capacity 1 Like |
Re: How Do Power Banks Work??? by barackodam: 9:17pm On Sep 19, 2014 |
Thanks initialize |
Re: How Do Power Banks Work??? by initialize(m): 9:21pm On Sep 19, 2014 |
barackodam: Thanks initialize Welcome sir |
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