Thinkware Dashcam Ivolt Pronn - Increase the duration of the Parking Surveillance mode of your Thinkware Dash Cam with the iVolt PRO External Battery.n - With its 8.5 A high-speed charging, the external battery is capable of operating a dash cam for up to 27 hours on approximately 50-minute charge. Max recording time will vary by the Thinkware Dash Cam in use.n - Supports parallel installation of two external batteries to expand battery capacity.n - Compatible with all Thinkware Dash Cam models.nn - Do i need to use a dash cam Battery Packn - Thinkware Dash Cams offer a few different methods in which the device is powered.n - All Thinkware Dash Cams come standard with a built-in voltmeter and battery protection settings to ensure you will not return to your vehicle with a dead battery. These Voltage Settings can be utilized with the Hardwiring Kit or OBD-II Harness to protect your battery when using Parking Mode.n - However, If you wish to record an extended amount of Parking Footage, or if you h - C