INCREASE THE POWER MODULE AMPLIFICATION MODULE DC DC ADJUSTABLE POWER SUPPLY MODULE LM2596S BOOSTER MODULE LM2577S MODULE POWER MODULE STEP UP Size: 52 x 38 x 15 mm (with fixed column). Input: 3,5-28 V. Output: 1,25 V-26 V. Maximum input current 3A. Maximum output power 3A. Rated input 1A, output 1A. Designed do use with solar panels, it is also suitable do other applications. LIST OF PACKAGES 1 x DC-DC converter module AMPLIFICATION MODULE DC DC Just set the output voltage, and then regardless of the input voltage wave, it will automatically rise or fall to maintain a stable output voltage. Designed do use with solar panels, it also fits do other. ADJUSTABLE POWER SUPPLY MODULE Size: 52 x 38 x 15 mm (with fixed column). Input: 3,528 V. Output: 1,25 V 26 V. Maximum input current 3A. Maximum output power 3A. Rated input 1A, output 1A. Designed do use with solar panels, also fits do other .