Will this attempt to provide 20 volts when the input is lower, or will it only negotiate an output less than the input?

It's buck only, no boost. So same or less than input voltage.

Do i need to use a seperate C2C cable for each voltage or does this work with different devices allowing them to negotiate their own power?

Device negotiate the voltage, also it's one directional, meaning you can not charge the battery it's soldered to, you'll need another circuit for that.

Why does it keep turning off? I'm using a 18 volt drill battery. Starts off charging just fine then shuts off after about 15 seconds. Anyone know why?

Have you checked to see if your solder points are good on the board

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ACEIRMC 60W 6-35V DC to USB Type C PD 3.0 QC4 Type A QC3.0 DC Fast Charge 12V 24V Step-Down Power Module USB Type-C Mobile Phone Quick Charge Adapter (1pcs)

ACEIRMC 60W 6-35V DC to USB Type C PD 3.0 QC4 Type A QC3.0 DC Fast Charge 12V 24V Step-Down Power Module USB Type-C Mobile Phone Quick Charge Adapter (1pcs)

Product ID: 411608885

Details

Brand
ACEIRMC
Color
1pcs
Compatible Devices
Laptops
Connector Type
USB Type C
Included Components
60W 6-35V DC C
Input Voltage
12 Volts (AC)

⚡60W peak power output

🔋6-35V wide DC input range

🔌Supports USB PD 3.0 & QC4 fast charge

€ 18.17

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Description

⚡ Charge smarter, faster, everywhere — don’t get left behind!

COMPACT PORTABLE - Sleek 50x17x12mm design fits effortlessly into any tech setup or on-the-go kit.
WIDE VOLTAGE RANGE - Operates efficiently with a flexible 6-35V DC input, perfect for diverse power sources.
SMART LED INDICATORS - Blue and red LEDs keep you informed with real-time power and fast charge status.
POWERHOUSE PERFORMANCE - Delivers a robust 60W output to keep your devices charged at lightning speed.
UNIVERSAL COMPATIBILITY - Seamlessly supports all major fast charge protocols including USB PD 3.0, QC4+, QC3.0, and Apple FCP.

The ACEIRMC 60W Step-Down Power Module is a compact, high-efficiency USB Type-C fast charger supporting a broad 6-35V DC input range. Compatible with all leading fast charge protocols like USB PD 3.0, QC4+, and Apple FCP, it ensures rapid, reliable charging for smartphones and laptops. Featuring smart LED indicators and a portable design, it’s engineered for professionals who demand speed and versatility in their power solutions.

Specifications

ASIN	B09D98799T
Best Sellers Rank	#240,412 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,045 in Power Converters
Brand	ACEIRMC
Built-In Media	60W 6-35V DC to USB Type C PD 3.0 QC4
Color	1pcs
Compatible Devices	Laptops
Connector Type	USB Type C
Customer Reviews	4.2 out of 5 stars 78 Reviews
Included Components	60W 6-35V DC to USB Type C PD 3.0 QC4
Input Voltage	12 Volts (AC)
Manufacturer	ACEIRMC
Mfr Part Number	60W 6-35V DC to USB Type C PD 3.0 QC4
Model Number	3c8595a3-f091-4ea6-ae33-c15685d97b77
Number of Items	1
Output Voltage	6 Volts
Plug Type	type a,type c,type-c
Portable	Yes
Total Usb Ports	3
UPC	701715479616
Warranty Description	1
Wattage	60 watts

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€ 18.17

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Netherlands.

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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