Battery Tender Quick Disconnect Plug with USB Charger 12V Input and Maximum 2.1 Amps Output it's Quite Portable and Perfect for Charging your iPhone, iPad, iPod, GPS, Camera or any Smartphone or Device that be Charged via USB. It's Designed for Use on Most 12-Volt Batteries on Your Motorcycle, Golf Cart, ATV, etc. It Attaches to Existing Battery Tender Quick Disconnect. The Rubber Flap will Protect the Charger Connectors.