Pass-Through Charging Explained
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- Опубликовано: 23 фев 2022
- Watch this video to learn more about pass-through charging in power banks.
If you want to know what pass-through charging is and how it works then this short video should give a good idea. Basically, with this feature, you can simultaneously charge your power bank and have the power bank charge another device.
Now, you should know that not all portable chargers come with pass-through charging. So if you're after one of these, then you need to make sure it comes with the feature.
This is why we put a list together of the best power banks with pass-through charging right here: www.powerbankexpert.com/power... 
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Hi. Thanks for this. Pass-through charging means that the voltage and current supplied does not change when a power bank is connected to, and disconnected from wall power. For those of us just recharging portable devices, a brief interruption as we connect or disconnect wall power is acceptable. For those of us powering small compute devices (like a Raspberry Pi, Arduino, IP camera,travel router, etc.) "true" pass-through charging is required. No blips, no momentary cut-outs. The output power should be unrelated to the input power--an interruption means that the device will reboot, or possibly experience data corruption.
A few years ago I had a much easier time finding power banks with true pass-through charging. Maybe I was just lucky, I'm not sure, but I've been having a harder time finding small packs with no output interruption. I have a few small banks (meaning 10Ah or less,) that claimed to support pass-through, but don't. I'd love to see an updated video showcasing banks that provide true, uninterrupted pass-through.
I understand what you're saying. There are some power banks that also have a UPS feature. I think that's what you're looking for. Zendure X6 seems to be one such option, for example. As far as I can tell, there's also one created by Raspberry, the PiJuice. I hope this helps :)
Thanks for the info!
what if the port meant to charge it broke is their a way to charge it through the usb cable using a different cord like usb to usb ?
Thank you
What about bypass charging? Does any powerbank support bypass charging?
I use a power bank as a backup battery for an indoor security camera. I've tried with different power banks and all of them give power to the camera while they are charging, but the problem with all of them is that when their charger gets connected or disconnected, the power to the camera gets briefly disconnected making it go through a restart cycle. Is there any powerbank capable of keeping the power output undisrupted while it's own charger gets connected or disconnected?
I think you need a power bank that has a UPS feature. Unfortunately, there are not a lot of power banks that offer this and it's quire rare. One such power bank is Zendure X6, for example. But maybe a traditional UPS could also be a solution for your use case?
@@PowerBankExpert I really appreciate your answer. Power banks with such capability seem to be quite expensive. I've found a few mini UPS devices at reasonable prices. I'll give those a try. Thank you!
@@valentin1166what are you using now mate? I am also searching for a Power Bank to use as a ups for my indoor camera for power cuts and to get bon stop recording.
What is the problem caused by the power to the device getting briefly interrupted? Does it negatively affect the device's battery?
With the pass through power bank, what happens when you cut off the power to the power bank? Does the power automatically continue to charge the speaker ?
If you cut off the power to the power bank, and it's at least partially loaded, then it will continue to charge the speaker.
Aukey is way to go!!
Hey, I wanted to ask if the Aukey power bank has auto-off function?
As i suppose that the powerbank gets started once the device connected with the powerbank. Please share the Aukey Power Bank details, like model number. Please
Here's the user manual for the Aukey: manuals.plus/aukey/20000mah-wireless-charging-power-bank-manual
It does go into some details about the auto-off functions for wireless charging.
@@PowerBankExpert Thank you for your comment. As i am concerning about the wired charging. For instance, my device is connected thru the USB A cable and once upon disconneting, will it still be on or will be off automatically. That's what i wanted to ask.
Due to pass-through feature can we charge another powerbank as well? Is it safe to do so?
You can charge another power bank as well, yes. It's safe. But keep an eye on them. Don't let them charging overnight or something like that.
Is it less efficient though? or it's just the extra load causing extra heat?
When charging via pass-through, charging speeds are generally slower. So yeah, you could say that it's less efficient, even without the heat factor.
In my case I wish to have a ups for my PI400 to run it for 2 or more hours.
Not mentioned, is that when you charge it? You are limited to how much you are charging it at, so if it's a 50. What charger you're only going to get fifty watts out of the battery
Hw 2 know dat z full charged
Hi, i have a usb-c laptop charger. Can i charge a power bank using the laptop charger?
Yes, that should work
They are hard to find because nobody seems to advertise them as such.
I agree Everyone should have passed through charging and the funny thing is is every cell phone has the capable of pass through charging this means that you can use your phone while charging it at the same time and no one says anything about your battery overheating in your phone and people use it all the time funny thing is people don't like this technology It gives you too much liberty only the high Tech people will understand what I mean
"Every cell phone has the capa.." Tell that to Samsung lol
Who needs pass-through charging? If you want to use a power bank as a UPS, buy a UPS. If you want to charge a power bank and at the same time charge one or more devices that are powered by built-in rechargeable batteries, buy a wall charger with two or more outputs.
I am trying to run a small t-mobile hotspot off one with a solar panel to charge the power bank so yes there are needs for it