This is a waterproof DC-DC converter. With 16-36V DC input, it converts to 9V 5A which is a good supply for robots. Features * Overvoltage protection * Overcurrent protection * Overheat protection * Short-circuit protection * Waterproof and shockproof case * High efficiency and less heat Specification * Input Rage: 16-36V DC * Output: 9V DC * Output Current: 5A * Size: 58 X 40.5 X 22mm(2.28x1.59x0.87") * Efficiency: 96% * Weight:0.09Kg * Maximum working temperature:80 ℃ Shipping List * 45W DC-DC Converter(FIT0169) x1 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2023-03-06 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2023-12-27 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2024-05-01 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2024-09-19 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2024-11-29 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2024-11-30 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2025-02-14 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2025-04-11 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2025-08-05 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2025-11-28 https://elecena.pl/product/22714456/45w-dc-dc-converter-9v-5a 2025-11-29