Features: Compatible with Gopro AHDBT-301, Gopro AHDBT-201. Charger is designed with a foldable A/C plug that can work with any US power socket! Charger comes with a EU power plug adapter to convert charger to work with EU power sockets. Charger ALSO comes with a D/C car charger adapter, so you can charge your batteries anywhere in the world! Smart LED indicator shows charging status. Smart charger prevents overcharging, short circuit, and electronic shock!