Attwood 142646 12V Adapter w/Dual USB Ports & Battery Charge Display

It's easy to add the convenience of using and charging electronic devices on any boat. Compatible with mobile devices and marine equipment. For 1/4" USB blade connections. Protected against reverse polarity, thermal overload, and short circuiting. Charger: 12V 4-1 Power Pannel Description: 12V 4-in-1 Power Panel with Battery Charge Display