Do you know how to FAST CHARGE your phone? Fast charging and how it works.

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0:00 Why do phones charge faster using a bundled charger?
0:40 Why did old mobiles took long to fully charge?
1:19 What does duration of charge depend on?
2:06 What processes happen in battery when charging and discharging?
3:28 Why do manufacturers use built-in batteries?
3:58 How is li-polymer different from li-ion?
5:00 What do amper-hours mean?
5:48 Why does the charger current rating does not affect actual charging current?
6:40 How to transfer energy needed for fast charging into the phone?
7:38 How did Qualcomm QC2.0 come about?
8:22 How to activate QC2.0 mode in a charging cable?
9:08 Observing the QC2.0 mode using a testing rig and a USB tester.
12:46 The QC2.0 and its ammendments. DCP protocol.
14:13 How to push 8A of current inside the phone via USB cable?
14:53 Nikola Tesla's Alternating Current System. High voltage power lines.
16:12 How does USB PD work in modern chargers?
17:36 Why does the charger increases voltage gradually?
18:36 Why does the phone behave differently with different chargers?
19:00 What is the data exchange process between the phone and the charger in USB PD mode?
19:50 Observing the Macbook charger operation using USB tester.
20:39 Measuring wall outlet power of Macbook charger in fast mode.
21:16 How is USB-A 3.0 different from USB Type-C?
21:45 Building a testing rig to observe operation of Macbook charger.
22:51 How safe is our rig? :)
23:37 Monitoring voltage and current of Macbook Type-C charger.
24:23 Observing Galaxy S8 charging process using our new rig.
25:13 The latest additions to USB PD protocol. Increasing charging power.
26:11 What else can USB PD offer?
26:39 Danger of using non-original USB Type-C chargers.
27:14 How does Direct Charge mode work?
28:25 Interactive USB cables.

[@Zendukai]

Thanks Ron, excellent video of charging a phone. Getting the wrong cable is usually the problem.

[@markojuros6533]

Great video Ron, not even the equipment manufacturers explain it so well and completely, now I understand more about the load, the technical aspect of the video, sound, image, graphics are very good, you really deserve more subscribers.👍👍👍👍👍

[@RonMattino]

Thanks 👍

[@billogd]

Ron, you answered many mysteries about usb charging in this video. Your are a w s o m e ! ! ! Thank you.

[@920PC]

EXCELLENT INFORMATIVE VIDEO. WELL EXPLAINED . TY

[@HamedEmine]

- Lowering charging current prolongs the battery life and charges your phone slower.
- Increasing charging current reduces the battery life but charges your phone faster.
"It's clear that the user always wants their device to charge faster!"
With pretty much 90% (I made that up) of phones making it pretty much impossible to access and replace the battery without literally "destroying" the whole thing, I find that statement hilarious

[@RonMattino]

Well, actually 90% of phones have replaceable battery. RUclips has lots of videos on built-in battery replacement if you search by phone name. Things is, it's hard to do without special tools/skill. But generally it involves heating and using tools to gently lift the LCD. The battery is right underneath.

[@LeonardoMeireles05]

Amazing video 🤩

[@bron-sconcess.10]

Ron, really good video. Your presentation is on point i.e. accessible and clear. I will listen again. Very interesting video! Thanks!

[@efootballjemmer]

GOD BLESS YOU ❤❤❤

[@tatavenugopal3082]

Superb practically explained 🎉👏 Great Ron🙌👏 Can you share wireless charging info too🤝

[@nic7390]

Very informative but I got lost somewhere along the way. I'd like to just use 1 cable, wall charger and external battery that would meet all needs regardless of device? If so what and I'll just buy multiple of them.

[@VascovanZeller]

Hi. I think you forgot to put in the link to the tester, can it be?