Features The module can be remarkably efficient (maximum 97%), making it useful for lowering voltage Buck converter module is used for voltage lowering, so please make sure the input voltage is higher than the output voltage Widely used for lion- or lead-acid batteries, low voltage system power, 6V, 12V, 14V, 24V battery charging and regulated power supply This is a DC-DC step down converter module which converts 6.5V-60V to 1.25-30V, the maximum current is 10A Input and output are designed with screw terminals for convenient connection Features: Input: 6.5V-60V. Output: 1.25V-30V (adjustable). Efficiency: 97% (maximum) Module: 75 x 21 x 16 mm/2.95 x 0.82 x 0.63 inches. Operating temperature: -40℃~+85℃ Load capacity: 10A (maximum) Quantity: 1 Package includes: 1 x Module FAQ: Q: How to adjust the output power? A: Adjust the potentiometer. Package List