Amazon.com: Synergy Digital Camera Battery, Compatible with Sony Alpha SLT A68 Digital Camera, (Li-Ion, 7.4V, 1700 mAh) Ultra High Capacity, Replacement for Sony NP-FM500H Battery : Electronics
Kastar Replacement Battery for Sony NP-FM500H & a68 a68 SLT-A68 ILCA-68 | eBay