Batmax 2-Pack NP-FW50 Replacement Rechargeable Batteries&USB Dual Charger for Sony Alpha NEX-5, NEX-3, NEX-C3, Alpha A55, Alpha A33
$21.99 (as of July 11, 2017, 12:52 pm)
Premium Lithium ion cells; High Energy Density; Memory Free; Extra Long Life; More Shots for Your Cameras
LED indicators to show each battery charging status; Charge 2 batteries simultaneously and independently from 5V USB power source
With a micro USB cable for easy charging.(The adapter is not included.)