You can find detailed information online by searching for "ACA-DC88ML"! It cost around 6,000 yen at Monotaro. It didn't work with my computer, so I only opened it and never used it. Features: This is a 65W output multi AC adapter for laptops that supports various laptops with 7 different conversion plugs. It comes with 7 different connection plugs compatible with various laptop manufacturers, allowing it to be used with various laptops by changing the plug. The plugs are L-shaped to prevent them from sticking out sideways when connected to the computer. *Some plugs are straight. It can be used safely with various protection circuits such as overvoltage protection, overcurrent protection, short-circuit protection, and overheat protection. Note: Not compatible with laptops other than 19V. Specifications: ■ Plug shape: 2P ■ Insulation cap: None ■ Power cord length: 1m ■ Operating temperature range: 5～35℃ ■ Set contents: Main unit, AC power cord, conversion plugs x 7, instruction manual/warranty <Conversion plug sizes> 【D1】: Outer diameter 6.5mm, inner diameter 4.3mm, with center pin 【D3】: Outer diameter 5.5mm, inner diameter 2.5mm 【D6 black】: Outer diameter 3.0mm, inner diameter 1.1mm 【D6 blue】: Outer diameter 4.5mm, inner diameter 2.9mm, with center pin, insertion part reach 12mm 【D8】: Outer diameter 3.5mm, inner diameter 1.35mm 【FORDELL】: Outer diameter 4.5mm, inner diameter 2.9mm, with center pin, insertion part reach 10mm 【Square】: Square plug (11mm x 4.65mm), with center pin ■ Compatible models: Various laptop manufacturers that support charging with 65W (DC19V) specifications *Does not guarantee charging for all models. Charging may not be possible depending on the model you are using. ■ Rated input: AC100-240V 50/60Hz ■ Rated output voltage/current: DC19V/3.42A ■ Charging cable: Cable integrated type ■ Cable output terminal shape: DC plug ■ Total maximum output: 65W ■ DC maximum supported output: 65W ■ GaN (Gallium Nitride): Not adopted ■ High durability specification: Not supported ■ DC plug support: Multi-plug type ■ ON/OFF switch: None ■ Power-on confirmation LED: None