NP-FW50 FW50 Dummy Battery + USB Adapter Charging Cable for Sony A7 A7R A7S II A

Model: FW50. 1 X FW50 Dummy Battery. If less than 2A, the item does. 1 X USB Connector Cable. Input: USB 5V 2--4A. Output: 8.4V 1.5--3A.

eBay