2x NP-FW50 battery for Sony NEX-3 | NEX-3A | NEX-3D | NEX-3K | NEX-5 | NEX-5A | NEX-5D | NEX-5H | NEX-5K | NEX-6 | NEX-7 | Sony Alpha 33 (SLT-A33) | 37 (SLT-A37) | 55 (SLT-A55) (Electronics)
For now, I have not experienced them enough to confirm, but their autonomy is very close to the original in my possession. They do their job. To see past fifty charging cycles.
