This module is an upgraded version of the popular ZK-4KX, offering more power and active cooling.
Statistical threshold (0–99.59h). Automatically turns off output when reached if enabled. Over-Temperature Protection
The manual’s table of DIP switch settings is a wall of numbers. Here is the cheat sheet for the three most common use cases:
Turn to change values. Press the knob to move the cursor (jump from 0.1V to 1V increments). Zk-5kx Manual
Press: * Master Code # Example: * 123456 # → 2 beeps = success.
: Attach your primary DC source (such as a laptop power brick, battery pack, or fixed switching power supply) to the IN+ and IN- terminals.
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Default is 4.8V (User adjustable: 4.8V–36V).
Short press the to choose the digit you want to alter. Turn the knob to adjust the threshold values.
Press the button one final time to save and exit the adjustment screen. Switching the Display Statistics Press: * Master Code # Example: * 123456
The manual generally outlines a three-step installation process:
Once your targets are set, wait 6 seconds without touching any buttons, or long-press the encoder knob to save and exit back to the normal screen. 4. Advanced Settings and System Configuration
Find the nominal voltage, maximum charge voltage, and maximum charge current of your battery (e.g., a standard 18650 Li-ion battery requires max 4.2V, typically charged at 1A).
When you power the module, the LCD will show key parameters. In the normal operation interface, the top row displays either the or output voltage (Vout) depending on the setting. The bottom row cycles between output current (A) , output power (W) , capacity (Ah) delivered, and output time (h) . This cycling happens automatically if left untouched or can be manually controlled.