Feature: 1. CONSTANT CURRENT WITH PROTECTION: DIY a regulated power supply with constant current function, not afraid of short circuit during use, can protect the load. Can prevent the battery from overcharging and effectively protect the battery. Can drive high power LEDs and can be freely combined in series and parallel2. APPLICATION RANGE: Power supply for electronic equipment, various batteries, set charging voltage and charging current according to batteries of different voltages and capacities. For example, can be used as a car power supply to supply power to mobile phones, notebook computers or various digital products 3. INPUT OUTPUT PORT: Input port is 5.5mm×2.1mm DC socket and wiring terminal, each channel enables the module to work, and can also be connected at the same time; Output port is USB and wiring terminal, which can output power at the same time 4. HIGH EFFICIENCY TRANSFORMER: The module adopts new technology synchronous rectification, which significantly improves the conversion efficiency and expands the working voltage and current 5. MULTIPLE APPLICATIONS: As a USB 5V converter, a DIY mobile phone charger, a modified car charger, powering for 4b Specification: Item Type: Voltage Regulator Board Package List: 1 x Module 1 x Power Cord 1 x User Manual |