Power-up self test of a USB power bank

   
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Power-up self test of a USB power bank.
Загружен 26 июня 2015
I covered this power bank on a recent video, but while messing around with it I disconnected the lithium cells then reconnected them. The unit went into standby ...

Poundland's 2016 power banks. (not a good start)
Загружен 19 декабря 2016
Poundland seem to be having the same experience that Pound World did when they started stocking power banks. Dead units out the box and unusually low ...

Slight flaw with USB power banks.
Загружен 21 октября 2014
While doing a discharge test on a small USB power bank, I discovered that even though the booster circuit cuts out when the lithium cell's voltage drops to about ...

HACKED!: Powerbank gets a Fast Charge Feature
Загружен 20 мая 2018
Best & fast PCB supplier ($2 for 10 boards): https:// Previous video: https://youtu.be/5R_QCurh_iM Facebook: https://

Power Bank Inside a USB Cable
Загружен 19 апреля 2018
How to make a simple power bank, building tiny powerbank inside a USB cable. Watch my new video about charging https://youtu.be/5x6VlAL29W8 A couple ...

Nitecore LC10 Magnetic USB Charger/Power Bank: Review/Test
Загружен 21 июля 2018
An in depth look at test of the Nitecore LC10 magnetic USB charger. I look at the ultra compact charger and find out the stronger and weaker points of the product ...

Ultimate DIY 60,000mAh Power Bank (222Wh)
Загружен 24 мая 2018
A powerful DIY power bank that can output more than 200w for only $95 in raw materials, while all other commercial solutions cost 300+ dollars. Highly portable ...

Big yellow USB banana power bank.
Загружен 8 марта 2015
This is a bit of an oddity. It's a single 18650 USB power bank that is themed on a banana, and I bought it to see how well they had managed ...

50800mAh Jump Starter - Amazing Power Bank For All Uses!
Загружен 31 мая 2016
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Testing a USB powered wall hook and a look inside.
Загружен 15 сентября 2018
I'd like to thank John Harrison for sending me a link to these on Aliexpress. I've not had much luck getting stuff sent from AE to the Isle of Man so ...

Inside a LIDL mini USB power bank.
Загружен 27 октября 2014
I randomly bought this little USB power bank from a shop in the UK called LIDL a while ago, but with my newly aquired USB charge tester I decided to give ...

Poundland "disposable" phone charger.
Загружен 14 ноября 2018
Yet another of the single use chargers with a fully rechargeable cell inside. This one takes it one step further with a full power bank chip. It's literally just missing a ...

Test de la batterie de secours PowerBank XIAOMI 20000mAh QC3, 2 sorties USB jusqu'à 18W
Загружен 19 января 2019
Le site Banggood m'a proposé de tester cette batterie de secours très haute capacité et j'en suis ravi. Si vous cherchez une batterie USB très forte capacité, ...

DIY: Lithium 18650 Cells Charger By Using TP4056 Modules
Загружен 16 декабря 2015
This time I'll make a charger, which could charge 5 pcs of lithium ion 18650 cells at a time. Parts for this build cost only 5$ at ebay: 18650 battery holders ...

How to Make a 15600 mAh Power Bank from Scrap Laptop Battery - Homemade
Загружен 21 февраля 2017
Hello Friends, in this video i will show you how to make 15600 mAh Power Bank from Scrap Laptop Battery. I hope everyone like this video. Thank you for ...

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