Welcome to our
Cyber Security News Aggregator
.Cyber Tzar
provide acyber security risk management
platform; including automated penetration tests and risk assesments culminating in a "cyber risk score" out of 1,000, just like a credit score.
First slide label
Some representative placeholder content for the first slide.
Second slide label
Some representative placeholder content for the second slide.
Third slide label
Some representative placeholder content for the third slide.
Quickpost: An Inefficient Powerbank
published on 2022-09-14 00:00:00 UTC by Didier StevensContent:
I tested a small powerbank that I have, and it’s very inefficient.
It takes 10.07 Wh to charge:
And it delivers 5.95 Wh when I discharge it (5V at 0.250 mA).
So I only got 59% back of the energy I put in.
This powerbank is quite old, it might have become so inefficient over the years. Google searches tell me that you should get at least 85% efficiency.
Although this powerbank still works fine, and his very handy to me because of its small form factor, I’ll see if I can get a more efficient one with a similar form factor.
Quickpost info
https://blog.didierstevens.com/2022/09/14/quickpost-an-inefficient-powerbank/
Published: 2022 09 14 00:00:00
Received: 2022 09 14 00:09:47
Feed: Didier Stevens
Source: Didier Stevens
Category: Cyber Security
Topic: Cyber Security
Views: 1
