Question Will these Power Banks work to power this Mini PC ?

[shwick]

Hi I was wondering if these battery Power Banks will power this Mini PC.


Mini PC
https://www.aliexpress.com/item/1005005234838380.html

After reading it says idle power is 10.5w and 20w under load.
The power supply is 30 watts (DC 12v x 2.5A).
https://ae01.alicdn.com/kf/Ae26ef7e707cc43f89a035254c18b65f4y.jpg

Power Banks
https://www.amazon.ca/INIU-Slimmest-10000mAh-High-Speed-Flashlight/dp/B07G34JZG2

https://www.aliexpress.com/item/1005002233844317.html

https://www.aliexpress.com/item/1005006064400329.html

Will I need an adapter? thanks

Will my Dell Inspiron 3000 (19.5v) 65watt laptop mains adapter work?

 

[Ralston18]

Questionable:

The first red flag, to me anyway, is the use of mAh to make the "numbers" appear as large as possible.

So start by getting the units consistent.

Then do a bit of math:

https://www.enduropowerbatteries.co...volves multiplying amp,on its amp hour rating.

These calculators may prove useful:

https://footprinthero.com/milliamp-hours-to-watt-hours-calculator

https://calculator.academy/battery-reserve-capacity-to-amp-hours-calculator/

Then remember that power sources are tested using ideal conditons that tend to favor the end wattage.

And devices are often tested using ideal conditions that minimize power requirements.

The real question is how long is the mini-PC required to function with only power bank power available?

Take a look at some the UPS calculators - just use then mini-PC's wattage requirements along with the wattage requirement for any associated peripherals, such as a monitor, that must also be supported.

 

[shwick]

Thanks that looks good I still have to read through it all.

I managed to find a 12v Power Bank and am asking about the amps.
https://www.aliexpress.com/item/1005005866976371.html

 

[shwick]

Alright I did a calculation with the Baseus power bank (supports up to 3a at 12v).

20000mAh Baseus
20000mAh / 1000 = 20Ah
Wh = Ah x V
Wh = 20Ah x 12v
Wh = 240

Estimate runtime, 22w under load (adding 10% from 20w)
Runtime = Wh / load
Runtime = 240 / 22
Runtime = 10.91 hours

 

[kerberos_20]

you somewhat missed reading that first article mentioning that portable batteries uses 3.7V for its high mAh rating also with examples and comparisons with 12V batteries..so you cant really use 12V in your math since those batteries runs at different voltage
anyway
20,000mAh × 3.7V ÷ 1,000 = 74Wh (capacity)
74WH / 22W = 3H 21m 60s (runtime)

Why Convert Milliamp Hours to Watt Hours?​

Most often, converting milliamp hours to watt hours is useful for comparing the battery capacity of batteries with different voltages.


The total energy a battery can deliver in watt hours depends on its milliamp hours and voltage. So, if you have batteries with different voltages, looking at their amp hour or milliamp hour capacity alone can be misleading.


For example, consider the following 2 batteries:

1. Battery A is a 10,000mAh 3.7V battery
2. Battery B is a 10,000mAh 12V battery

If you only look at their milliamp hour capacity, you’d assume both batteries store the same amount of energy. However, because their voltages are different, we need to calculate their watt hours to be able to accurately compare them.

Battery A: 10,000mAh × 3.7V ÷ 1,000 = 37Wh

Battery B: 10,000mAh × 12V ÷ 1,000 = 120Wh

Now that we know the watt hours of both batteries, we can see that Battery B can deliver nearly 4 times as much energy as Battery A.


Another important reason to calculate a battery’s watt hours is to estimate how long it'll be able to power your devices. Most electronics and appliances list their energy consumption in watts (W), and you can do a quick and dirty estimate of battery runtime by dividing watt hours by watts.


To illustrate, let's say you're using a 30,000mAh 3.7V portable battery to power a 10W camping lantern. To estimate how long you'll be able to run your lantern, you first need to calculate the battery's watt hours.

30,000mAh × 3.7V ÷ 1,000 = 111Wh

Now that you know its watt hours, you can estimate its runtime by doing the following calculation:

111Wh ÷ 10W = 11.1 hrs

Your battery will be able to power your camping lantern for around 11 hours before needing to be recharged. You wouldn't have been able to estimate the runtime had you not converted milliamp hours to watt hours.

edit, found review on that mini PC and average wattage is 26watts

T8 Plus Mini PC Review: A Powerful Performance in a Tiny Package For $120 | Techxreviews

Discover the versatility of the T8 Plus Mini PC. Compact, powerful, and portable, it excels in office tasks, gaming, and multimedia streaming.

techxreviews.com

that reduces slightly runtime of your 20000mAh battery to something like 2H 50m

 

[shwick]

Alright thanks

Yeah I found a review on YouTube that said 8 to 27 watts for that mini pc so that looks good.