Pirâmide 10 Amp 13,8 V Fonte De Alimentação - Converts Ac To Dc: The Pyramid Bench Power Supply Features Linear / Regulated Design. Provides Convenient And Reliable Ac-to-dc Power Conversion (12v Dc) W/ Constant Source Of Dc Voltage. Works W/ Cellular Phones, Cb Radio, Scanner, Ham Radio, Etc - Screw-type Terminals: Features Universal Hardwired Screw-type Connection Terminals That Ensure Compatibility With A Wide Range Of Devices, Equipments And Components. Used For Component And Device Equipment Testing, Operation And Performance - Plug-in Operation: The Simple Plug-in Operation Provides A Constant Source Of Dc Voltage, Allowing For Quick And Consistent Power Conversion. Switch-activated Power Control Eliminates The Need Of An External Battery Or Additional Power Source - Short-circuit Protection: Equipped W/ Built-in Electronic Overload And Short Circuit Protection To Ensure Safety Of The Operator And Any Connected Electrical Devices. Also Fuse Protected W/ Auto Reset. Perfectly Safe For Tabletop Or Desktop Placement - Built-in Cooling Fan: The Power Converter Features A Cabinet Heatsink And A Built-in Cooling Fan To Prevent The Device From Overheating. Constant Amperage Is 10a And Surge Is 12a W/ Power Output Of 13.8v Dc And 115v Ac 60hz 250w Power Input