1) Good quality 24~30W power adapter 2) 7.5V~30V, 0~3.0A, 24~30W Power Adapter 3) Wih 2 ... BJL-PA-30W SeriesProduct NamePower adapters with 7.5V~30V, 0~3.0A, 30W output powerSpecial Features* Ac input ... 0.8A (max)* Output voltage: DC7.5V-30.0V* Output current: 0-3.0A* Max power output: 30W* Surge ... UK, AU, CCC, JAPAN power plugMain Specification* 7.5V~30V, 0~3.0A* Full load efficiency≥75%* Ripple & noise ...