2 PCS DC-DC Step-up Power Supply Module Adjustable Boost Converter Input 2V-24V to 5V-28V 2A MT3608

The 2 PCS DC-DC Step-up Power Supply Module Adjustable Boost Converter has garnered a significant amount of customer attention, albeit for largely negative reasons. Many users reported experiencing issues right out of the box, with the majority noting that their power supply modules did not function as expected. Common complaints highlight that the units provided little to no output voltage adjustment, particularly when users first attempted to fine-tune the output via the provided potentiometers. A recurring theme in the customer feedback is the confusion surrounding the adjustment methodology for the output voltage. Many were unaware that the trimmer pots were multi-turn, leading to disappointing first impressions when their initial adjustments yielded no results. However, some customers eventually found success after following guides to properly adjust the trimmer pots, suggesting that a more comprehensive user manual might improve user experience Considerably. Despite finding some operational success, many customers remained disappointed with the overall quality of the modules. The discrepancy between the two units in a pack, with one potentially functioning while the other fails to activate entirely, reflects an inConsistency in manufacturing quality that has frustrated users. Issues such as excessive heat generation were also reported, further casting a shadow on the reliability of these converters. Overall, while some customers reported a successful experience after troubleshooting, the prevalence of dead-on-arrival units and inadequate product support indicates that the product may not meet the reliability standards that Consumers expect. **