Dexpt 19V 2.37A 45W Charger for Acer Chromebook 15 14 13 11 R11 CB3 CB5 CB5-132T CB3-431 CB3-531 CB3-532 CB3-131 CB3-111 C738T CB5-311 Laptop Adapter Power Supply with Extra Cord Compatibility -Acer Chromebook 15 14 13 11 R11 CB3 CB5 CB5-132T CB3-431 CB3-531 CB3-532 CB3-131 CB3-111 C738T CB5-311 Output Max - 19V 2.37A 45W (or 19V 2.15A 40W) Input Volt Range: 100-240V 50-60Hz Connector Size:3.0mm*1.1mm UL Listed Products - the product has successfully met stringent requirements. Package includes - 1 * power adapter Guarantee - Within 30 days of purchase, we offer a no-questions-asked full money back guarantee