If you own a late model Porsche and it sits in the garage for weeks or months, this is a Must Have item. This battery maintainer won't fix a defective battery.
The 4 Amp 12V/6V switchable WeatherTech Battery Charger is designed to lengthen the life of batteries through its high performance charging functions.
The manual states you should charge the battery via the terminal posts, under. Been trying to charge the Macan via one of the power outlets (ciggy. lead from the boot and connect it to the charger which stays in the garage.
Page: 71. Fig. 33: Battery terminals. A Positive terminal +. B Ground point â€“. Make sure to follow the manufacturer's instructions for the charger. Thaw a frozen .