[elecena] DC converter, 5 VDC, 1 W, 1 output, 12 VDC, 80 % efficiency, ROE-0512S - zmiany ceny DC converter, 5 VDC, 1 W, 1 output, 12 VDC, 80 % efficiency, ROE-0512S - 3.70 EUR https://elecena.pl/product/29683821/dc-converter-5-vdc-1-w-1-output-12-vdc-80-efficiency-roe-0512s 2026-01-12 DC converter, 5 VDC, 1 W, 1 output, 12 VDC, 80 % efficiency, ROE-0512S - 3.32 EUR https://elecena.pl/product/29683821/dc-converter-5-vdc-1-w-1-output-12-vdc-80-efficiency-roe-0512s 2026-04-25