1.
Descriptions:

ZK-4KX is a DC-DC adjustable constant voltage constant current automatic buck-boost power supply module with LCD display.HD display input voltage and output voltage, current, power, display status, capacity, energy and time.Adjustable stable output voltage and current.Set output current to meet the require.It can be used as ordinary buck power supply module, charger and LED constant current driver.Simple and efficient, practical.
It supports solar charging and can be connected to solar battery.

2.
Features:

1>.High quality heat sink
2>.Multiple parameters are displayed simultaneous
3>.Enabled/disabled output
4>.Automatic buck/boost voltage
5>.Constant voltage constant current output
6>.Solar charging
7>.Input anti-reverse protection
8>.Output anti-backflow protection
9>.Under voltage protection
10>.Over-voltage protection
11>.Over-current protection
12>.Over power protection
13>.Over temperature protection
14>.Timeout protection
15>.Over capacity protection
16>.Display input voltage
17>.Display output voltage, current, power
18>.Working status indicator

3.Parameters:

1>.Product Name:ZK-4KX DC-DC Step UP Down Power Supply Module
2>.Product Number:ZK-4KX
3>.Working Voltage:DC 5V-30V
4>.Output Voltage:DC 0.5V-30V
5>.Output Power:50W(Max and need fan.Default 35W)
6>.Output Current:4A(Max)
7>.Voltage Display Resolution:0.01V
8>.Voltage Display Resolution:0.001A
9>.Conversion efficiency:About 88%
10>.Work frequency:180KHz
11>.Working Temperature range:-20℃~100℃
12>.Working Humidity range:0%-95%RH
13>.Size:79*43*49mm

4.Normal Display Mode:

1>.Default normal display.
2>.Long press means need keep press for mo

• Date First Available ‏ : ‎ April 20, 2021
• Manufacturer ‏ : ‎ Lufasa