Specifications: DC Input: 12V~24V, One DC Output: 20V (Max 90W) Compatible with HP laptop notebook car charger vehicle charger DC 12v-24v auto power adapter (Large and Small Circular Connector); Dual USB Output: 5V~12V (Max 30W) fast charging for table smartphone. Dimensions: 3x1.8x0.7(inch) / 7.6x4.5x1.8(cm), DC cables length: 59(inch) / 150(cm). Weights: 4 (oz) / 113 (g). Package: 1x BatPower CCH2 120W Car Charger, 2x DC cables and Manual. Warranty: 30 days money back or exchange, free 18 months warranty.