Features: 1. Replace for Milwaukee 48-59-1201 M12 power converter, compatible with all Milwaukee 10.8-12V lithium batteries. 2. The 5V 2.1A USB output can quickly charge electronic devices through the battery. 3. The 12V 2A DC port output can charge 12V electric heating vests. Product information: Product name: Converter Input parameters: 12V Output parameters: 12V 2A/5V Product material: Plastic Color: Red Package Includes: 1 x Converter