BestDealPlus
  1. Home
  2. Consumer Electronics
  3. Smart Electronics
Unfortunately, this product is no longer available.
ZK-4KX DC-DC Buck-Boost Converter Variable Voltage Regulator CC-CV 0.5-30V Power Module Adjustable Regulated Supply
ZK-4KX DC-DC Buck-Boost Converter Variable Voltage Regulator CC-CV 0.5-30V Power Module Adjustable Regulated Supply
ZK-4KX DC-DC Buck-Boost Converter Variable Voltage Regulator CC-CV 0.5-30V Power Module Adjustable Regulated Supply
ZK-4KX DC-DC Buck-Boost Converter Variable Voltage Regulator CC-CV 0.5-30V Power Module Adjustable Regulated Supply
ZK-4KX DC-DC Buck-Boost Converter Variable Voltage Regulator CC-CV 0.5-30V Power Module Adjustable Regulated Supply
ZK-4KX DC-DC Buck-Boost Converter Variable Voltage Regulator CC-CV 0.5-30V Power Module Adjustable Regulated Supply

ZK-4KX DC-DC Buck-Boost Converter Variable Voltage Regulator CC-CV 0.5-30V Power Module Adjustable Regulated Supply

(5.0)
US $ 8.35    27% off
US $ 6.09
Out Of Stock
 Shop More  Best Sellers

Cheap And Discounts ZK-4KX DC-DC Buck-Boost Converter Variable Voltage Regulator CC-CV 0.5-30V Power Module Adjustable Regulated Supply Wholesale. Buy Directly From Merchant MM 3C Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.

Recommends

HOT
Watch Protective Case Smart Watch Protector PC Shell Watch Protector Compatible for Verge A1801 (Black)
US $ 1.78
US $ 3.23
-45%
(5.0)
HOT
5PCS 2.5 3.5MM Headphone Jack PJ-342 Audio Video Female Dual Channel Stereo Jack Jack Socket Stereo Solder Panel Mount PJ-342B
US $ 2.86
US $ 2.95
-2%
(5.0)
HOT
LIGE New Smart Glasses UV Detection Heart Rate Blood Oxygen Health Monitor AI Intelligent Translation Bluetooth Call Sunglasses
US $ 92.14
US $ 484.95
-81%
(5.0)
HOT
EB-BR760ABE 380mAh Smart Watches Batteries for Samsung Gear S3 Frontier SM-R760 SM-R765 SM-R770 + Free Tools
US $ 18.41
US $ 36.81
-50%
(5.0)
2025 New NFC Smart Ring For Xiaomi Smart Ring 5ATM Waterproof Men Women 24H Health Monitor Gesture Control Multi-sport Function
US $ 21.67
US $ 30.51
-29%
(4.0)
HOT
Popular Style 43 Inch LCD Industrial Wall Mount USB 10 10.4 12.115 17 19 21.5 Inch Capacitive Touch Screen 4:3
US $ 374.77
US $ 604.48
-38%
(5.0)
Smart Curtain Motor with Remote Control And Gateway 3in1 Track 15kg Load Bearing Suitable for Bedroom Living Room Hotel
US $ 58.16
US $ 121.17
-52%
(5.0)
HOT
APP00222 3.8V 370mAh Watches Batteries for Apack Fossil Explorist Gen 3 ART5004 Fossil Q Explorist 3rd Generation +Tools
US $ 26.29
US $ 52.59
-50%
(5.0)
New Diamond Fashion Various Colors Available Women Smart Ring With Box Waterproof Lady ring Heart Rate Health Monitor Sport Ring
US $ 27.73
US $ 55.46
-50%
(4.7)
Smart Curtain Motor with Remote Button Control 3in1 Track for Home Automation Window Treatment Pull-to-start ,15KG load capacity
US $ 51.17
US $ 106.60
-52%
(5.0)
HOT
14 Inch Capacitive Open Frame Touch Screen Industrial Metal Case LED/LCD Available PC
US $ 371.38
US $ 436.92
-15%
(5.0)
HOT
High-Quality Replacement 240mAh PL471822GH EVE Battery For Huami AMAZFIT GTS 2 2e A1969 A2021 Smart Watch
US $ 18.12
US $ 38.56
-53%
(5.0)
HOT
19.5 Inch TFT LCD Desktop Touch 1024 * 768 Capacitive Touch Screen for Supermarket POS System
US $ 297.65
US $ 480.08
-38%
(5.0)
The newly upgraded smart ring features a digital display. It offers step counting, sleep monitoring, and multiple sports modes.
US $ 21.98
US $ 66.62
-67%
(4.1)
HOT
QINO R01 2025 New Smart Ring Men Women,Heart Rate Blood Oxygen Sleep Monitor Smartring IP68 & 5ATM Waterproof, Multi-sport Mode
US $ 21.53
US $ 27.61
-22%
(5.0)
HOT
AI Smart Glasses 1200W Pixel 8K HD Camera Video Recording Outdoor Cycling Skiing Windproof Eye Protection Photography Sunglasses
US $ 61.53
US $ 123.06
-50%
(5.0)
HOT
Watch Protection Shell Pc Case Compatible for Verge A1801 Durable Lightweight Smartwatch Protective Cover
US $ 1.76
US $ 3.90
-55%
(5.0)
HOT
G2 AI Smart Glasses 800W Pixel Intelligent Glasses HD Shooting Video Recording Voice Call Translation Glasses Photochromic Lens
US $ 39.90
(5.0)
HOT
355/650mAh battery For GARMIN Fenix 5/5s/5s Plus/5X/ViVOACTIVE3 GPS watch 361-00096-00 361-00097-00 361-00098-00 361-00108-00
US $ 20.28
US $ 32.71
-38%
(2.5)
Intelligent Charging Robot Voice Control Conversation Recording Induction Touch Early Education Programming Induction
US $ 14.26
US $ 29.10
-51%
(5.0)
HOT
New L801 Smart Glasses 8MP 4K HD Video Sunglasses 32GB Wi-Fi Transfer Audio Record AI Assistant IP68 Waterproof
US $ 543.46
(5.0)
[2024 ] COLMI R02 Smart Ring Military Grade Titanium Steel Shell Health Monitoring IP68 & 5ATM Waterproof Multi-sport Modes
US $ 20.24
US $ 43.06
-53%
(4.5)
HOT
OLED Display 5.5 Inch AMOLED 1080x1920 FHD IPS Screen MIpi Driver Board H546DLB01.1 Wide Temperature DCI-P3 sRGB WISECOCO
US $ 38.95
US $ 55.65
-30%
(5.0)
HOT
APP00278 340mAh Watches Batteries for Montblanc SUMMIT S2T18+Free Tools
US $ 16.13
US $ 35.06
-54%
(5.0)
Zigbee Smart Curtain Driver Robot Automatic Curtain Motor Curtain Puller Zigbee Electric Switch Robot Motor Google Home Alexa
US $ 49.96
US $ 111.02
-55%
(5.0)
HOT
7" 8" 10" 10.4" 12" 14" 15" 17" 19" 22" Inch Industrial Lcd Touch Open Frame Screen for Kiosk
US $ 369.16
US $ 595.42
-38%
(5.0)
HOT
RGB Matrix Bonnet for Raspberry Pi LED zero PI0 Raspberry pi Zero V1.3/PI ZERO
US $ 23.16
(5.0)
5 Antenna WiFi Camera - Full Color HD Home Security 360° Surveillance Webcam Baby Monitor
US $ 19.29
US $ 39.36
-51%
(5.0)
HOT
Waterproof Dustproof 21.5inch HD Resolution 1920*1080 Touch Screen Cashier Menu Display
US $ 454.14
US $ 534.29
-15%
(5.0)
R05 Smart Ring with Charging Case NFC Function Touch Gesture Control Heart Rate Sleep Monitor Sports Fitness Tracker Finger Ring
US $ 30.67
US $ 66.66
-54%
(5.0)
HOT
Nfc Smart Ring 8Mm Transparent Multi-Functional Wearable Digital Finger Ring For No Charge
US $ 2.16
US $ 4.50
-52%
(5.0)
New Smart Ring R11 Heart Rate Blood Pressure Sensory Game Waterproof Multi-sport Modes Fitness Tracker Smartring For Men Women
US $ 19.12
US $ 38.24
-50%
(5.0)
HOT
4-Wire Brushless DC Motor PWM Speed Controller 8-24V 5A Violent Fan Speed Controller 0-100% Duty Cycle Adjustable with Switch
US $ 1.14
US $ 2.48
-54%
(5.0)
NFC Sport Smart Ring Waterproof Health Monitor Ceramic SmartRing Sleep Monitor Smart Control Photo AI FamilyRing for Ring
US $ 20.06
US $ 40.12
-50%
(5.0)
HOT
DC Motor PID Learning Kit Encoder Position Control Speed Control Development Guide WHEELTEC
US $ 141.22
US $ 148.65
-5%
(5.0)
HOT
New PL432224 280mAh Watches Batteries for Huami Amazfit EVE PL432224 + Free Tools
US $ 18.41
US $ 36.81
-50%
(5.0)
HOT
GS4 MAX Smart Glasses Intelligent Recognition 8MP Video Recording Al Translation Smart Wearable Headset
US $ 400.22
(5.0)
HOT
Hi-Link Original OPENWRT MT7628NN Wireless WiFi Router Module with 64M/128M/256M+16M/32M/64M HLK-7628N HLK-7628NL HLK-7628NS
US $ 6.59
US $ 7.40
-11%
(5.0)
HOT
B030FE 3.8V 315mAh Smart Watches Batteries for Samsung Galaxy Gear1 V700 SMV700
US $ 18.84
US $ 37.69
-50%
(5.0)
HOT
340mAh BS02WA Bluetooth Watches Batteries for Mi for Blackshark+Free Tools
US $ 22.35
US $ 44.70
-50%
(5.0)
HOT
ESP32-R8 Development Board with 1.9 Inch TFT Screen - T190 Module for Hash Rate Calculation (388KH/s) WiFi BT & Type-C
US $ 17.51
US $ 35.02
-50%
(5.0)
HOT
PL582624 Watches Batteries for Amazfit GTR 3 GTR 3 Pro 3Pro + Free Tools
US $ 19.72
US $ 39.44
-50%
(5.0)
Remote Control Robot for Kids - Rechargeable Talking Robot with Music, LED Eyes & Walk Functions
US $ 39.53
US $ 79.07
-50%
(5.0)
HOT
HM104 10 Inch Industrial Capacitive Touch With High Brightness 1000nits
US $ 390.22
US $ 629.39
-38%
(5.0)
HOT
78mAh 3.87V 391220 Watches Batteries for Fitbit Inspire 3+Free Tools
US $ 20.59
US $ 41.19
-50%
(5.0)
HOT
RAK2270 RAK Sticker Tracker
US $ 13.90
(5.0)
HOT
W610 Smart Glasses with BT Call 800W Video Wi-Fi Transfer Outdoor Sunglasses Audio Record AI Smart Wearable Headset
US $ 399.19
(5.0)
HOT
New 3 in 1 Smartglasses & Translator & Headset with Microphone Voice Assistant Bluetooth Call Fashion Smart Bluetooth Glasses
US $ 15.95
US $ 31.27
-49%
(3.5)