Ordered a powerbank from jumia, after a day of usage it wasn't charging my phone as i anticipated..so I decided to dismantle the powerbank...low and behold....this is what I saw...
Why.........

You taste am to confirm say na sand?

I think you should lodge your complaint
Anyway
Many people complaints is that my transportation takes up to 50% of my salary & apart from dat, I pass through lots of stress before I resume to work.
See these great opportunities u will derive 4 staying close to ur office.If u know your office is around these axis in LAGOS then you can enjoy d benefit
Ogba,Ikeja,berger,Oshodi etc send mail dammylaray@gmail.com

no dey somethings because of the cheap price, real lithium batteries are a bit pricy so the Chinese man had a little since you look at weight. sometimes you will see some powerbank they will write 20k mah and you will wondering how come and when you tell the owner its impossible they tend to argue.

recently i brought in some powerbank from china 24mah battery, buying alone is almost 10k each, before mine could arrive a friend bought one for 7k and guess what it was rated 23mah but it cannot give 2 full charge lol