ITEM NAME:10Pcs Mini 360 3A DC Converter Step Down buck Power Supply 3V 5V 16V MP2307 Chip.Output Current: Rated current 1.8A (3A MAX, Can Not Be Prolonged). Quantity: 10Pcs. Non-isolated step-down module with good performance. Load Regulation: Â ± 0.5%. Ideal to replace for the broken or worn-out parts, and make the device work well again.