USB PD

Sir Apfelot Blog


10 March 2021

The difference between USB PD 2.0 and 3.0 clearly explained

With USB Power Delivery (PD) it was not only possible to charge the battery of smartphones, tablets and similar devices in a short time using the quick charge function. Thanks to the maximum output of 100 watts (20 volts at 5 [...]
7 March 2021
RAVPower RP-PC144 USB C power supply in the test

Review: RAVPower RP-PC144 30 watt USB-C and USB-A power supply

Lately I have been seeing a lot of USB-C power supplies that I have received for testing purposes. It is currently a small mini power supply from RAVPower with a USB-C and a USB-A port. It is the RP-PC144 [...]
1 October 2020
Power bank test: Anker PowerCore III 10K wireless

In the test: Anker PowerCore III 10K Wireless - new 10.000 mAh power bank with Qi and USB-C PD

A few weeks ago I already introduced you to the Anker PowerCore 10K Wireless. This model has Qi charging and a USB-C port as well as two USB-A ports. However, the USB-C port on the "old" model is only [...]
15 September 2020

Finally USB-C multiport: Ugreen 65W PD power supply with 3x USB-C and 1x USB-A

The USB-C standard is considered a panacea, not only for Apple's Thunderbolt 3 port, but also for chargers. Fast charging technologies such as Power Delivery (PD) rely on the port. But chargers with more than two slots for charging several devices [...]
1 April 2020
USB load resistance

USB load resistor: what can it do, what is it intended for?

In my power bank tests, like recently the Charmast power bank, a USB load resistor is regularly used. In this article I would like to explain to you what kind of thing it actually is and what - in my [...]
10 December 2019
Petrol station Pro in the test

In the test: tizi Tankstation Pro with 90 watts and 2x USB-C PD and 2x USB-A

Today there is again a small test report on a charger that I have been using in the previous version for a long time: The filling station or the new filling station Pro from tizi (here on Amazon [...]
2 November 2019
Lightning USB-C charging cable from Veelink

[Update] In the test: Veelink Lightning USB-C charging cable for less than 8 euros

I ordered the first USB-C to Lightning charging cable from Apple years ago. At that time it was still for 30 or 40 euros - so with the typical penalty that Apple likes to charge for such adapter cables. And it must [...]
31 October 2019

USB-C to Lightning cable: an overview of all brands and offers

To quickly charge the iPhone and / or to connect it to a Thunderbolt 3 port of an Apple Mac, there are various USB-C to Lightning cables. When buying, in addition to the price, it is of course important to ensure that the respective [...]
29 September 2019
The Anker PowerPort III works with gallium nitrite instead of silicon. This makes it significantly smaller than other chargers.

In the test: Anker PowerPort Atom III USB-C power supply with 60 watts

The Anker PowerPort Atom III is the first gallium nitrite power supply from Anker that I have reviewed. Anyone who does not know what to do with the term gallium nitrite (GaN) might like to read my article about the advantages of [...]
12 June 2019
The workmanship of the mfi-certified USB-C to Lightning cables from tizi is very good. The plugs are tight and the cable looks very robust.

In the test: tizi flip Ultra USB-C to Lightning cable for fast charging of iPhone and iPad

The manufacturer Equinux recently provided me with two copies of their new USB-C to Lightning cables for a test. The cables are called "tizi flip Ultra" and allow iPad and iPhone to be charged [...]