Appareo Stratus Power. Plug in with the most affordable TSO-Certified charging port. Enjoy the convenience of USB power in your aircraft — delivered by the durable, high-quality engineering that you expect with the Stratus name. 2.5 AMPS PER PORT. With enough power to charge two full-size iPads while they’re in use, Stratus Power™ can be used with any combination of portable electronic devices. NO RADIO NOISE. Stratus Power is radio-shielded, so you won’t experience NAV/COM interference like you do with cheap electronics. EASY TO INSTALL. Like all Stratus products from Appareo, Stratus Power was designed for quick and easy installation. Features: + Dual 2.5A USB-A charging ports + FAA certified to TSO-C71 + Cylindrical shape for easy, drill-in installation + Designed and built in the USA + Two-year product warranty