Dual Port Desktop Charger. Place your QCP 3035 phone in the front port and an extra battery in the rear port. Ports do not simultaneously charge, the first port filled is the first port to charge. The desktop charger used with the 3000 series Travel Charger (TXTVL00911) will charge the phone or battery in approximately 2 hours. To charge both the phone and spare battery, allow approximately 4 hours. Your phone display will indicate charging status, and the red and green light on the dual port charger will indicate charging status of extra battery. The red light indicates still charging, and green light indicates battery is fully charged.The Dual Port Desktop Charger when used with the Connectivity Toolkit, allows you to connect your phone to a computer to synchronize data (i.e. contact information - names, phone numbers, addresses, as well as schedule/calendar applications such as Microsoft Outlook or Meeting Maker).You can use your phone as a wireless modem, and simply connect your phone to your computer by plugging in the data cable of the Connectivity Toolkit into the back of the Dual Port Desktop Charger. Then connect the other end of the data cable to your computer's COM port.