Thanks for the YZXStudio ZC916 review. That is very nice, but expensive.
How about this one: WITRN Car USB Desktop Charger Quick Charge PD+DC Dual Input VOOC PD3.0 QC4
for most products, higher quality have higher price
but for our goal , it is to make some higher quality products to sell lower price
So do you make a high efficiency and low noise 10-24V to USB-A QC3 / Type-C PD adapter for a low price then?
sorry, we don’t have
15W Adjustable DC-DC CC CV USB 5V to 3.3V 9V 12V 24V 30V Step Up/Down Power Supply Boost Buck Converter Module with Shell Case
https://aliexpress.com/item/33012277845.html
15W Adjustable DC-DC CC CV USB 5V to 3.3V 9V 12V 24V 30V Step Up/Down Power Supply Boost Buck Converter Module
https://aliexpress.com/item/33014830111.html
“This is a DC adjustable constant voltage constant current step up/down power supply module with LED digital tube display. Display output voltage, output current and output power. Adjustable output voltage and current. Set output current to meet the require. It can be used as ordinary buck power supply module, charger and LED constant current driver.”
Interesting, I have bought the covered one.
great 
More additions:
ZY12PDS Type-C PD to DC USB SurfacePro Decoy Fast Charge Trigger Polling Device
https://aliexpress.com/item/32911057550.html
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DC5.5/Type-C/USB3.0 tester 6-Bit High Precision Digital pd3.0 voltmeter ammeter Display power bank Meter For E-test App
https://www.aliexpress.com/item/4000088276912.html
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USB tester T18 digital dc power volt meter voltmeter ammeter Current voltage doctor 1.8” qc2.0 PD3.0 18 in 1 detector
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HIDANCE 1.77 inch HD diplay USB Color Tester Current Voltmeter QC4+ PD3.0 PPS quick Charging Protocol Capacity DC meter
https://www.aliexpress.com/item/32960692732.html?spm=a2g0x.12010612.8148356.35.51f25979SbyZFi
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PD quick charge trigger digital current voltage meter ammeter coulometer charger mobile power supply Type-c usb tester detector
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HiDANCE PD protocol type-c charger PD2.0 automatic voltage detector 5V9V12V15V20V for xiaomi PD charger trigger Fixed voltage
I have ordered a couple of the above devices.
A similar product is Magic Fox PD180: 京东(JD.COM)-正品低价、品质保障、配送及时、轻松购物！ (out of stock right now).
One of the reviews has a photo of the PCB:
From the description it looks like the WITRN unit doesn’t have boost capability, so you’d need ~21v DC input to get 100w USB-C.
Hi, HKJ - I was wondering if you might review the new XTAR PB2S powerbank with replaceable 18650 / 21700 cells?
https://www.aliexpress.com/item/4000107760986.html
I got it from Xtar and the review is nearly finished,
Thank you
Yesssss… Yeahhh… Thanks
did you read our post ? we will publish the new power supply , hope you like that , but now we did not sell to the world, we just test it at our country first, if there is no problem, I will publish it formally
https://budgetlightforum.com/t/-/58193#comment-1549897
Came by around here because I just found an interesting, inexpensive single long slot li-ion/Ni-MH/Ni-Cd charger (supports 2×700 cells), with up to 2A rate (for li-ion at least).
(Edited because of slip-up) Some sales:
- https://www.aliexpress.com/item/-/33023970536.html Cheapest with fast shipping.
- https://www.aliexpress.com/item/33025263819.html
- https://www.aliexpress.com/item/33031980968.html Absolutely cheapest.
Wed, 08/28/2019
I have ordered one, with the cheapest possible shipping (free).
I wonder why it is posted in my review thread, if RD want me to review it they can just ship one to me (Preferable with box and power supply).
I do like the frontpanel with both encoder and numeric buttons, this is the same as all my professional bench supplies and it usually makes it very easy to use.
there’s a dedicated thread for charger review requests from and for HKJ:
Review request for HKJ [Chargers] | BudgetLightForum.com
Thanks for pinpointing angerdan. The charger is USB powered anyway, so not entirely off-topic LoL. :-))
I just read this post and tell you this , for now we did not publish now