DC-DC Buck-Boost Adjustable Converter CC/CV 4A ZK-4KX
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Prices updated: 13 Oct 2026
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About this product
The ZK-4KX is an adjustable DC-DC converter that can step voltage up or down, with constant-current and constant-voltage (CC/CV) regulation rated for 4 A. It suits bench power adjustment, battery charging experiments, and powering loads from a source whose voltage is either higher or lower than the required level.
Specifications
- Converter type
- Buck-boost (step-up and step-down)
- Regulation
- Constant current / constant voltage (CC/CV)
- Output current
- 4 A
- Adjustable output
- Yes
Frequently asked questions
How do I set the output voltage and current?
Connect a multimeter to the output with no load, then turn the adjustment potentiometers until the desired voltage and current limit are displayed. Set the values before connecting your load or battery.
Can I use it to charge a battery?
Yes, the CC/CV regulation is suited to charging. Set the output voltage to the battery's full-charge voltage and the current limit to a safe charging rate for that battery, and verify both before connecting it.
