Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
For Your Every Summer RSVP, with Code: SUMMER15
Description
ZK-4KX CNC DC-DC Buck Boost Converter Module CC CV 0.5-30V 4A Adjustable Step Down Up Voltage Regulator, 0.5-30VFeatures 1. Made of high quality material, solid, durable and strong conductivity. 2. Large LCD can display input output voltage, output current output power output capacity output time, easy to read. 3. CNC adjustment is very accurate and fast, and it also can boost and step down voltage. Output voltage can be adjusted from 0. 5 30v, while the current can be adjusted 0 4A as you desired. 4. It features anti reverse connection protection of input end,
Features1. Made of high quality material, solid, durable and strong conductivity.
2. Large LCD can display input/output voltage, output current/output power/output capacity/output time, easy to read.
3. CNC adjustment is very accurate and fast, and it also can boost and step down voltage. Output voltage can be adjusted from 0.5-30v, while the current can be adjusted 0-4A as you desired.
4. It features anti-reverse connection protection of input end, which will not burn out, safe to use.
5. Anti-reverse irrigation at the output end, no additional anti-reverse irrigation diode is needed to charge the battery;
6. The module can be set to open/close by default, easy to use.
7. It has multiple software protection mechanisms are available, and the protection threshold is adjustable.When the working parameters of the module exceed the protection threshold, the output will be automatically closed.
8. Output ripple is small and PI filter is available.
9. Thicken radiator fins helps the module to dissipate heat quickly, long service life.
Specification
1. Input Voltage: 5.0-30v
2. Output Voltage: 0.5-30v
3. Output Current: It can work stably at 3A for a long time, and can reach 4A under enhanced heat dissipation.
4. Output Power: Natural heat dissipation 35W; Strengthen heat dissipation 50W
5. Voltage Display resolution: 0.01V
6. Current Display resolution: 0.001A
7. Conversion Efficiency: About 88%
8. Soft Start: Yes (The soft start may fail when it starts with high power and load module.)
9. Material: Fiber glass board, Electronic component
10. Size: 7.9 x 4.3 x 2.6cm
Protection Mechanism
1. Input Anti-reverse Connection;
2. Output Anti-reverse Irrigation;
3. Input Under voltage Protection (4.8-30V adjustable, default 4.8V)
4. Output Over voltage Protection (0.5-31V adjustable, default 31V)
5. Output Over current Protection 0-4.1A (adjustable, default 4.1A)
6. Overpower Protection (0-50W adjustable, default 50W)
7. Over temperature Protection (80-110 degree C adjustable, default 110 degree C)
8. Timeout Protection (0-100h adjustable, OFF by default)
9. Super Capacity Protection (0-60AH adjustable, OFF by default)
10. Operating Frequency: 180KHz
Specification:
| Package Weight |
|
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1107 reviews
Sort
Product Reviews
★★★★★ 5
Buena calidad precio
Style: 28Pack Eufy Omni C20 Accessories
Precio beneficio me parece un paquete bastante completo para hacer los mantenimientos. En cuanto a tamaño calidad y funcionamiento no hay queja (salvo por del atornillador que es como de mentira y se desarmo al tratar de aflojar el tornillo y no es de la medida correcta).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 8, 2025
★★★★★ 5
Excellent Long Term Value & Perfect Compatibility with Eufy Omni C20 Robot Vacuum
Style: 28Pack Eufy Omni C20 Accessories
This set is of great quality and value for the money. It fits perfectly with the vacuum and base station and includes extra tools like a small screwdriver if you need to make any repairs. I love how it functions and provides the user with an easy experience with all the maintenance tools in one kit, lasting for many months or even a year or two with the primary vacuum. I absolutely recommend this product. Everything you need!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 29, 2025
★★★★★ 4
Great value pack
Style: 28Pack Eufy Omni C20 Accessories
I've used each type of item in my vacuum and they all work just as well as the originals. The fit is precise and they last just as long as the original items. It's a great value pack and I love that I have so many extras in the house. I did ding one star because the included screwdriver is the wrong size to install the side brush. If you aren't paying attention during installation you could easily strip the screw. The other items are very easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
★★★★★ 5
Solid Purchase
Style: 28Pack Eufy Omni C20 Accessories
Fits perfectly for my Eufy!
My only suggestion would be to include the little filters too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 24, 2025
★★★★★ 5
Great replacement parts
Style: 28Pack Eufy Omni C20 Accessories
I love my Eufy floor cleaning robot. This replacement parts kit is just perfect for keeping it running perfectly. I am so happy that someone has made cost-friendly options to help keep it that way. This package of 2 Main Brushes, 6 Hepa Filters -( also known as dust filters), 6 Side Brushes, 6 Mops, and 6 Vacuum Bags should keep you going for about 6 months in an average sized home.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 14, 2025