Amazon.com : Replacement for Sony Alpha NEX-3N Battery and Charger - Compatible with Sony NP-FW50 Digital Camera Batteries and Chargers (1300mAh 7.2V Lithium-Ion) : Electronics
2X NP-FW50 Batteries for Sony Alpha NEX-3, Sony NEX-5, Sony NEX-6, Sony NEX-7, Sony SLT-A33, Sony NEX3NL/B - Newegg.com
Battery Charger for Sony Alpha NEX-3, NEX-3N, NEX-5, NEX-5K, NEX-5N, NEX-5R, NEX-5T Mirrorless Digital Camera - AliExpress
NP-FW50 Battery & Slim Charger for Sony NEX-3 NEX-3N NEX-5 NEX-5N NEX-5R NEX-5T | eBay