I bought a 9,000,000mAh power bank from eBay, and I got what I deserved
OK, the opposite day somebody urged that I head over to eBay and, for amusing, search for the most important marketed energy financial institution I may discover.
Inside minutes I would discovered one which claimed to be a whopping 9,000,000mAh, superb because it’s small, and a chunky energy financial institution just like the Zendure SuperTank Pro is just 26,800mAh.
Oddly, the capacities topped out at 9 million mAh, and I could not discover a 10 million mAh energy financial institution. I am undecided whether or not that will simply be too ridiculous, or 9,000,000 seems greater than 10,000,000.
Anyway, I had to purchase one. I anticipated it to be dangerous. And £14 (about $20) and some days later, I received what I deserved.
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Earlier than I present you the ability financial institution, it is was curious how the eBay itemizing goes to lengths to clarify why the ability financial institution would not have a capability ranking printed on it.
OK, the ability financial institution. It is the standard cheapo energy financial institution with a photo voltaic panel and a few rubber across the edges to make it look rugged. Past this, there’s nothing concerning the energy financial institution that is designed to forestall water or filth ingress.
It has a single microUSB port for charging, together with two USB-A output ports. It has a 9-LED flashlight on the again, and a few low cost rubber flaps cowl the ports.
On stripping it aside, I discovered the standard circuit board for these sorts of energy banks (the board has a 2015 date screen-printed on the board. The battery did not have any markings, however it’s the dimension I would anticipate for a 10,000mAh cell (and discharge checks confirmed that it was certainly a 10,000mAh cell, to inside 10 %).
The ability financial institution promised a most output of two.1A at 5V, however once I put it beneath a 2A load the voltage dropped to 4V and the ability financial institution stop inside a couple of seconds.
So, what I ended up with was an influence financial institution with lower than 1/900th of the rated capability that wasn’t able to delivering the utmost rated output. The LED flashlight was OK, however the on/off change was poor and have become unreliable after a couple of presses
Oh, and the ability financial institution additionally got here with a compass on a keyring, sadly, the compass factors to the steel ring within the keyring, so even that is junk.
It’s virtually like this energy financial institution’s whole life’s objective was to take $20 out of my checking account.
Now, as is the case with merchandise like this which are offered within the UK, I liaise with UK buying and selling requirements officers to get merchandise like this faraway from sale.
Backside line: do not waste your cash.
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