Differences in price mean you can get 4 RAVPower or Neewer batteries for the price of 1 Sony battery.

Best NP-FW50 aftermarket battery. - Digital Photography Review Best NP-FW50 aftermarket battery. - Digital Photography Review

The Duracell multi-fit camera battery provides long-lasting lithium-ion power for a range of camera makes and models, allowing hundreds of photos to be taken on a single charge.

Extra lightweight battery case easily store with your equipment moisture proof case for your peace of mind A micro USB cable is required and not included. Charging requires 5V 2.1A USB power. USB chargers that powerful are not common. Most chargers will be 1A or less. Using a less powerful charger will still work, but charging will take longer than it would with a more powerful charger. Precision Designed For Sony Batteries Made to the exact specification of SONY NP FW50 battery the charger is compatible with NEX 3/5/7 series SLT-A series and Alpha series such as: Sony NEX-3, NEX-3N, NEX-5, NEX-5C, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7, NEX-C3, NEX-F3, SLT-A33, SLT-A35 , SLT-A37, SLT-A55V, Cyber-shot DSC-RX10, DSC-RX10M3, DSC-RX10M2, DSC-RX10, Alpha 7, a7, a7rii, Alpha 7R, a7R, Alpha 7S, a7S, a7sii Alpha a3000, Alpha a5000, Alpha a6000, a6300, a6500, DSC-RX10, DSC-RX10M3, DSC-RX10M2, ILCE-QX1, ILCE-6300, ILCE-7SM2, ILCE-7RM2, ILCE 5000, ILCE 5100, ILCE-6000, ILCE-7, ILCE-7M2, ILCE-7R, ILCE-7S, Digital Camera and more. If you’re cheap like me, you don’t want to pay the high-price for an OEM Sony NP-FW50 battery. The price isn’t terrible if you only need 1 extra battery. Unfortunately, one of the problems with the Sony A7 is the short battery life.

Sony NP-FW50 Battery - Duracell Direct

They work for >1 year without noteable difference to the original ones. Maybe even slight more capacity left. Always correct percentage-reading in the cam. But they are not really cheap, 24€. A lot less the original, but noch "cheap" My Sony A7 gets about 2 hours of life out of a battery. A 500mA load was used because it would drain the cells in approximately 2 hours. When the cell reaches 3V, it is considered fully drained. Discharging the cell past 3V can shorten the life of the cell. The cells are in series, so 6V was used as the cutoff for the batteries. If you need a USB NP-FW50 charger, this one charges batteries. I am going to continue to use it. If you want an adapter that plugs into an outlet, get a DigiPower TC-U450. Sony Cameras That Use NP-FW50 Batteries Opening the RAVPower and Neewer batteries did not reveal any information on the cells used. Internally, the battery protection boards appear to be the same. I would not be surprised if they were made at the same factory. The Best Third-Party NP-FW50 Battery Is…Batteries will slowly discharge over time. This is an issue with high drain rechargeable Ni-MH batteries. There was almost no change in charge of the FW-NP50 batteries over the course of a week. Self-discharge is not a problem you have to worry about. Energy stored in the battery is turned in to heat. The heat sink and fan are there to dissipate that heat. Testing Methodology The TEC-06 is a USB powered battery capacity tester. A test load can be placed on a battery. The measured capacity is displayed on the screen when the battery is fully drained. Sony NEX-3, NEX-5, NEX-5N, NEX-7, A33, A55, A5100, A6000, A6300, A6400, A6500, A7, A7 Mark II, A7R, A7R Mark II, A7S, A7S Mark II, RX10, RX10 III, RX10 IV Features and specifications are subject to change without notice. Non-metric weights and measures are approximate.

Sony NP-FW50 W-series Rechargeable Battery Pack

At the end of the week, all of the batteries read 0.02V lower. This is a negligible amount. You would not notice the difference in charge from a battery that sat for a week. All of the batteries started as showing a 100% charge in my Sony A7. Neewer & RAVPower USB Battery Charger Comprehensive safety features built with a high-quality fire-resistant construction and surge protection The charger has multiple circuit protection to prevent over-charging short-circuiting and overheatingRAVPower or Neewer are the best batteries. While they don’t meet their labeled capacity, they are close. What they do have is higher tested capacities than the labeled 1020mAh of a genuine Sony battery. After seeing that it worked, I took it apart. There’s not much inside. The case is either glued or plastic welded together. I would not recommend disassembling the charger. Extend your photoshoot shoot for longer with two large capacity replacement batteries (1100mAh/83 14W) and a dual slot Charger Versatile charging option wall car and power bank charging available (All sold separately) or recharge inside the camera using the 2 1A Input Charger to maximize charging efficiency