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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
HW-688 DC 5V6A Buck Module 12V24V To 5V Power Supply USB Charging 5A High Power 30W, 24V / 12V To 5V 6A1. USB mobile phone smart charging, RZC7512 charging control IC can identify the charging protocol and automatically switch the charging mode 2. Support the power supply range of 9 36v, covering common 12v and 24v power supplies. Simply connect the module with a wire, and you can output a constant voltage of 5v as a 5v power supply. When using 220v AC, you can use a 12 24v transformer to convert the output first in the connection module 3. Socket
1. USB mobile phone smart charging, RZC7512 charging control IC can identify the charging protocol and automatically switch the charging mode
2. Support the power supply range of 9-36v, covering common 12v and 24v power supplies. Simply connect the module with a wire, and you can output a constant voltage of 5v as a 5v power supply. When using 220v AC, you can use a 12/24v transformer to convert the output first in the connection module
3. Socket modification can install a small transformer inside the socket, and then connect the output wire to the module. If there is enough space inside the socket, you can open the socket to expose the output port of the module to the socket for easy use.
4. The plug strip with USB socket also needs to be modified. The module comes with a charging identification chip, which can automatically switch the charging mode, and the charging efficiency is higher and safer.
5. Output voltage: 5v
6. Working voltage: 4.5-5.5v
7. Input voltage: 9-36v
8. Application scope: USB charging for electric car/motorcycle modification, car power modification, solar battery, portable USB charging, generator USB output, DIY application
Specification:
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4.3 ★★★★★
Based on 631 reviews
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Product Reviews
★★★★★ 5
Looks good works great
Item Package Quantity: 1, Color: Black
This paper towel holder is simple, sturdy, and works exactly as it should. It holds the roll securely and makes it easy to tear off sheets with one hand. The design is clean and attractive, so it looks great on the countertop without taking up too much space. No assemble required and a great value overall.
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Reviewed in the United States on June 3, 2026
★★★★★ 5
Functional and beautiful!
Item Package Quantity: 1, Color: Silver
This towel holder is a fantastic find! It is always great when a product exceeds your expectations and this towel holder is exactly that. At first, I was not sure if the price was worth it but when I opened the box, I was pleasantly surprised by the quality of the product. It is solid and well made with a heavy base that makes pulling paper towels with one hand a breeze. The mandrel is thick and provides excellent rotational ability. Overall A+. I highly recommend spending a few extra bucks on a functional piece that enhances the overall appearance of a kitchen.
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Reviewed in the United States on April 7, 2026
★★★★★ 5
Looks good works great
Item Package Quantity: 1, Color: Silver
This is a nice paper towel holder. I keep it on my counter and it looks great. Its easy to use although I haven't tried it one handed. I like it and I think it was a good price. It was very heavy and works great.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Great and Useful
Item Package Quantity: 1, Color: Silver
This is a great and very functional paper towel holder. It is heavy enough to stay where you put it and the tension arm holds the paper towels really well so that you can actually tear one off with one hand. There is a ring on the top of the holder so, if you have two hands free you could hold on to that for stablizing the holder but it really isn't necessary because it stays in place really well.
The only advise I would give is to be sure that the next paper towel on the roll is a bit past the tension arm so that you don't have to adjust the roll to get the arm to hold the next towel. This is a great invention and I'm so happy that I have found it.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Stable and attractive
Item Package Quantity: 1, Color: Black
Love the black, it matches my kitchen well. Very sturdy, more so than the Simple Human one that the tension arm broke. A very good product.
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Reviewed in the United States on May 21, 2026