Buy these two items:
This is a car plug with a female USB port on it.
For only $1.00 each when QTY 50+ purchased - Car Charger (Cigarette Lighter) to USB Female Converter - Black | Car Charger Accessories
Then just get any USB male A to male 5-pin Micro cable here - I got the 6 foot one.
For only $1.06 each when QTY 50+ purchased - USB 2.0 A Male to Micro 5pin Male 28/28AWG Cable - 6ft | USB 2.0 Cable - Micro-B Type
Works perfectly for charging or powering it while in the nav dock. Total cost $2.44 before shipping.
This is a car plug with a female USB port on it.
For only $1.00 each when QTY 50+ purchased - Car Charger (Cigarette Lighter) to USB Female Converter - Black | Car Charger Accessories
Then just get any USB male A to male 5-pin Micro cable here - I got the 6 foot one.
For only $1.06 each when QTY 50+ purchased - USB 2.0 A Male to Micro 5pin Male 28/28AWG Cable - 6ft | USB 2.0 Cable - Micro-B Type
Works perfectly for charging or powering it while in the nav dock. Total cost $2.44 before shipping.