2x Pack - Sony NEX-3 Battery - Replacement for Sony NP-FW50 Digital Camera Battery (1300mAh, 7.2V, Lithium-Ion) - Walmart.com
Kastar 4-Pack NP-FW50 Battery and AC Wall Charger Replacement for Sony ILCE-7SM2, alpha 7S II, α7S II, a7S II, ILCE-QX1, ILCE-QX1L, NEX-3, NEX-3N, NEX-5, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7, ZV-E10 - Walmart.com