Franzus Travel Smart 電池消除器 120/240 雙電壓 - 6 種輸出電壓設定

I was a bit skeptical about swapping out fresh batteries for a wall plug, but the 7 voltage settings meant I could finally use my old 9V radio without worrying about the dial. The 9-volt adapter clip is a nice touch—it’s been running steadily all week with no heat issues.

The voltage selector dial is very satisfying to click through, and I love that I can finally use my old mini fan without burning through AA batteries. It's nice having a single unit that covers everything from 1.5V to 12V.

Used it to power my old cassette player that takes 6V DC, and it ran perfectly for hours without any battery drain. The 9-volt adapter clip came in handy for a smoke detector test too. Being able to switch between 1.5 and 12V on one unit means I’ve finally retired my box of dying batteries.