Ineffective Energea Power Bank from Cellucity

Cellucity is the distributor of Energea cell phone chargers. I bought a MagPac Mini Power Bank at their shop in Tyger Valley Mall, Cape Town, but had to take it back within a week because of the little charging ability it provided, even when fully charged. I thought it must a a technical error of the specific one I bought. The store exchanged it, but unfortunately I discovered that it still only charges 50% of my iPhone, before it requires a recharge itself! This is insufficient backup support and this device should rather not be called a power bank. I wrote the same reveiw as the above on Cellucity's website about this Energea product but they refused to publish it. I am complaining about the quality of the device and not their service, however, it was disappointing that the distributor of this item blocks any bad reviews. This is misleading to consumers. Furthermore, I noticed this morning that Cellucity is currently advertising this item at a discounted price (less R100). Please be aware.