Hellow guys, Welcome to my website, and you are watching 8V-40V to 13.8v 10A 138W Automatic Step Up/Down DC-DC Voltage Regulator Test and Review. and this vIdeo is uploaded by 4WheelKid at 2025-03-08T14:39:03-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.