Expansion Pack for Dashcam - Cellink Ext7+ ▷ Connector Discription ▷ IN/OUT : Connecting terminal for Expansion pack ▷ USB : USB 3.0 rapid charging ▷ IN/OUT : Connecting terminal for Dashcam battery ▷ Product Specifications Input PowerOutput PowerNominal VoltageCharging timeHours of useBattery usedProduct capacityDimensions and Weight 14.4V 9A Max 10V~14.4V 9A Max, 5V 2A(USB) 12.8V 45min (9A Charging) About 21hours (Based on 2-CH dashcam within 4Wh) LiFePO4 6,800mA / 87.04Wh 157[W] x 171[L] x 39[T] / 1.3kg ▷ Products List Neo5 Neo21+ Neo6 C Neo+ B7 Ext7+ Neo8+ Ext13 Neo9+ Ext21