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The JESSINIE ZK-4KX is a CNC-adjustable DC-DC buck-boost converter offering 0.5-30V output voltage and up to 4A current. Featuring a clear LCD display for real-time monitoring and multiple built-in protections, itโs ideal for DIY solar charging, LED driving, and custom power supply solutions.


| ASIN | B0B7MBNP4G |
| Best Sellers Rank | #171,256 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #668 in Power Converters |
| Brand | JESSINIE |
| Color | grey,silver,blue |
| Customer Reviews | 4.4 out of 5 stars 38 Reviews |
| Input Voltage | 30 volts |
| Item Type Name | Power Converter |
| Item Weight | 0.07 kg |
| Manufacturer | JESSINIE |
| Mfr Part Number | ZK-4KX |
| Model Number | ZK-4KX |
| Number of Items | 1 |
| Output Voltage | 30 volts_of_direct_current |
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