SKU: 30935543887

ZK-4KX CNC DC-DC Buck Boost Converter Module CC CV 0.5-30V 4A Adjustable Step Down Up Voltage Regulator, 0.5-30V

Sale price$9.00 Regular price$10.00
Save 10%

Pay in installments of $2.50 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours Β· Estimated delivery Jul 18 - Jul 23

Promo Codes Available:

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,

Features
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, 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
One Package Weight 0.10kgs / 0.23lb
One Package Size 12cm * 8cm * 7cm / 4.72inch * 3.15inch * 2.76inch
Qty per Carton 200
Carton Weight 21.00kgs / 46.30lb
Carton Size 50cm * 42cm * 37cm / 19.69inch * 16.54inch * 14.57inch
Loading Container 20GP: 343 cartons * 200 pcs = 68600 pcs
40HQ: 796 cartons * 200 pcs = 159200 pcs

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 30935543887

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 β˜…β˜…β˜…β˜…β˜…
Based on 11 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
M
Verified Purchase
Mensa Mama
Houston, US
β˜…β˜…β˜…β˜…β˜… 5
GORGEOUS OVER THE TOP RING
Gem Type: Amethyst, Ring Size: 10, Gem Type: Amethyst, Ring Size: 10
Nice gold weight, Beautiful stone, comfortable on finger, nice workmanship!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2019
A
Verified Purchase
April Lawrence
Phoenix, US
β˜…β˜…β˜…β˜…β˜… 5
Gorgeous ring!
Gorgeous ring!!!! Love πŸ’œ
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 22, 2020
M
Verified Purchase
Miss Tish
Charlottesville, US
β˜…β˜…β˜…β˜…β˜… 5
Beautiful forever ring
Ring Size: 8.5, Ring Size: 8.5
This ring is absolutely beautiful great workmanship perfect size fit. I love it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
A
Verified Purchase
A lady in Colorado
Los Angeles, US
β˜…β˜…β˜…β˜…β˜… 5
Lovely
Ring Size: 6.25
The only word for this ring is "lovely." It took a long time to get to me as I ordered it January 30, 2026 and it arrived the third week of February but to be honest, it was worth waiting for.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
A
Verified Purchase
Amazon Customer
Battle Creek, US
β˜…β˜…β˜…β˜…β˜… 5
Perfect fit, both literally and figuratively.
Perfect fit (after I got my ring size correct!) and looks great next to my large engagement ring. Doesn't take away from the engagement ring, but enhances it with the simple, but delicate two-tone white and yellow gold design,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026

recommand products