OptiMate O100 Smartphone GPS Camera USB Battery Charger 12-16V
Connects to battery lead with industry standard SAE 2-pin connector – Seals perfectly when mated with OptiMate SAE! USB ON - 13.3V to 18V – unlimited USB output, USB LED on. USB 1 HOUR - 12.4V to 13.3V – 1 hour USB output, USB LED on.