I have ruined the battery on a rMBP 13" laptop in the past using an inverter while on the road before I knew better. The power coming out of those things is not good unless it is a Pure Sine Wave inverter. So now, I see Belkin has a USB-PD Certified USB-C Car Charger. Supports 5V and 9V USB-PD up to 3A, total 27W output http://www.theverge.com/circuitbreaker/2016/6/8/11886506/belkin-usb-c-car-charger-power-delivery http://www.prnewswire.com/news-rele...ger--cable-with-power-delivery-300281277.html How safe is it for my MBP to use to charge it over USB-C? My laptop uses the 61W wall charger. https://support.apple.com/en-us/HT204360 If this car charger is not good, which one would you recommend as a power solution while on the road?