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NP-FW50 Replacement Battery 2 Pack and Charger for Sony A6000, A6500, A6300, A6400, A7, A7II, A7RII, A7SII, A7S, A7S2, A7R, A7R2, A55, A5100, RX10
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Features
- * Widely Compatible. 100% compatible with Sony NP-FW50 Battery. It is compatible with the NEX 3/5/7 series, SLT-A series, Alpha series and more. Ship to US,IE,LT,LU,DE,EL,HU,LV,IT,CN,UK,NL,PL,PT,RO,SI,SK,SE,ES,FR,FI,EE,DK,CZ,BG,BE,AT,AU.
- * Versatile Charging Options. Smart Dual charger provides a Type-C charging port and a high-quality Type-C to USB-A cable. It can be charged via PC, car charger, USB adapter or power. You can charge the battery anytime and anywhere.
- * Fully decoded. Fully decoded FW50 replacement battery to triple your camera's runtime, 2 pack 1100mAh rechargeable replacement batteries prolongs your camera's runtime to capture more photos and shoot longer videos.
- * Original Standard.Original production standard, but larger capacity 1100mAh FW50 battery, can be charged inside the camera, or use 5V 2.1A Micro USB/Type C input charger to maximize charging efficiency.
- * Safe & Reliable.Built with multiple circuit protection automatic low charging system, effectively preventing battery from over-charging, short-circuit, high-temperature, and over current.
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Comparison
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| Rating | 86 reviews. | 82 reviews. | 94 reviews. | 58 reviews. | 88 reviews. | 21 reviews. |
|---|---|---|---|---|---|---|
| Price | C$38.99 | C$79.99 | C$79.99 | C$69.99 | C$59.99 | C$88.88 C$65.99 |
| Model | KF28.0004 | KF28.0001 | KF28.0002 | KF28.0003 | KF28.0005 | KF28.0018 |
Compatible Brand |
Sony/NP-FW50 | Nikon/EN-EL15 | Canon/LP-E6NH | Canon/LP-E17 | Sony/NP-FZ100 | Fujifilm/NP-W235 |
Battery Capacity |
1100MAH | 2100MAH | 2250MAH | 1250MAH | 2280MAH | 2200MAH |
Recharging Time (2 Batteries) |
2.5-3h | 5h | 5.5h | 2.5h | 4.5h | 4.5h |
Types of battery |
Lithium | Lithium | Lithium | Lithium | Lithium | Lithium |
Charging Port |
USB+Type-C | USB+Type-C | USB+Type-C | USB+Type-C | USB+Type-C | USB+Type-C |
Reviews (86)
- All Reviews
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Verified Purchase
You always need more than one FW50
I never knew K&F Concept made batteries. I’ve only ever used their filters and they were of great quality. So it’s good to see that they carried that care for quality into these batteries.
You get two NP-FW50 batteries a dual charger and a usb-c cable. You have to supply your own power adapter. The charger is not the best but it gets the job done correctly and safely. The charger gives you two usb options to charge with (usb-c & micro usb). The flexibility of the charging station allows you to charge on the go via a car charger or power power bank, keeping your batteries topped off while you work.
These FW50 batteries are on par with most good FW50 batteries I have tested from third parties. They hold up fairly well during activity and are a great replacement to any aging battery, even if they are the original Sony batteries.
You get two NP-FW50 batteries a dual charger and a usb-c cable. You have to supply your own power adapter. The charger is not the best but it gets the job done correctly and safely. The charger gives you two usb options to charge with (usb-c & micro usb). The flexibility of the charging station allows you to charge on the go via a car charger or power power bank, keeping your batteries topped off while you work.
These FW50 batteries are on par with most good FW50 batteries I have tested from third parties. They hold up fairly well during activity and are a great replacement to any aging battery, even if they are the original Sony batteries.
04/09/2025
Verified Purchase
Quality Replacement with Proper Fit for Sony Cameras
This review is for the Sony NP-FW50 version
I tested these for a couple weeks with several charge cycles. I have also owned various other brands of aftermarket chargers and batteries. Having had good luck with K&F camera to lens adapters, I was looking forward to try their batteries.
Packaging:
Good quality shipping box. Includes a USB type A to USB Micro cable. Does not include a USB-C cable just a USB-A to USB Micro.
Charging:
Batteries arrived charged to about 65 percent according to what my Sony A7 was reporting and they do fully charge to 100%, but this can take quite a while, perhaps longer than the 2.5 hrs claimed. The LED goes from Red to Green on full charge which is nice and intuitive unlike on/off or blinking LEDs that other companies employ.
Battery
The tolerances on these are excellent. They fit several of my Sony camera bodies just as well as the factory batteries, not loose nor tight. They also fit the Sony OEM charges quite well. Battery power is better than other aftermarket batteries, but I don't think they are a good as the Sony factory units, but then again you get two K&F batteries for the price of one Sony branded battery.
My only gripe is that on the first couple uses, the batteries were a rather tighter fit on the charger than what I expected, but they do seem to go in easier after several uses and after about a month it's fine.
Overall I would say these are high quality replacement batteries and better than most competitors. The high tolerances of the batteries make a big difference as fitment can be just as important as battery life.
I tested these for a couple weeks with several charge cycles. I have also owned various other brands of aftermarket chargers and batteries. Having had good luck with K&F camera to lens adapters, I was looking forward to try their batteries.
Packaging:
Good quality shipping box. Includes a USB type A to USB Micro cable. Does not include a USB-C cable just a USB-A to USB Micro.
Charging:
Batteries arrived charged to about 65 percent according to what my Sony A7 was reporting and they do fully charge to 100%, but this can take quite a while, perhaps longer than the 2.5 hrs claimed. The LED goes from Red to Green on full charge which is nice and intuitive unlike on/off or blinking LEDs that other companies employ.
Battery
The tolerances on these are excellent. They fit several of my Sony camera bodies just as well as the factory batteries, not loose nor tight. They also fit the Sony OEM charges quite well. Battery power is better than other aftermarket batteries, but I don't think they are a good as the Sony factory units, but then again you get two K&F batteries for the price of one Sony branded battery.
My only gripe is that on the first couple uses, the batteries were a rather tighter fit on the charger than what I expected, but they do seem to go in easier after several uses and after about a month it's fine.
Overall I would say these are high quality replacement batteries and better than most competitors. The high tolerances of the batteries make a big difference as fitment can be just as important as battery life.
02/09/2025
Verified Purchase
Charger accepts both USB C and A types
Batteries came half-charhed, so I have used charger overnight to give them 100% charge. I then left both batteries for another few days before I have tested them with my Sony camera. Both batteries shown 100% charge.
One of my previous sets of NP-FW non-Sony batteries had a habbit to slowly discharge about 1% per day of not being used and being out of camera, while another set died completely within a year of use. This one seems to hold the charge well for now. If I will see any problems, will update here.
As mentioned in the title of my review, the charger conveniently could be connected via typical usb, as well as newer format - usb C. The lights indicate correctly if battery is charged or not and accepts other brands of NP-FW50 batteries.
Overall, very decent quality and no issues so far.
One of my previous sets of NP-FW non-Sony batteries had a habbit to slowly discharge about 1% per day of not being used and being out of camera, while another set died completely within a year of use. This one seems to hold the charge well for now. If I will see any problems, will update here.
As mentioned in the title of my review, the charger conveniently could be connected via typical usb, as well as newer format - usb C. The lights indicate correctly if battery is charged or not and accepts other brands of NP-FW50 batteries.
Overall, very decent quality and no issues so far.
30/08/2025
Very good batteries
They hold their charge for a long time, good batteries
22/08/2025
Verified Purchase
A solid battery replacement
K&F is quickly becoming one of my favorite off brands for photography. Every product I've gotten from them has impressed me in some way or another. These batteries are no different.
The batteries themselves fit perfectly and worked the first time reporting their battery percentage. The casing is nice - a touch more texture than my sony batteries but it's a good feeling battery.
The charging cradle is where I'm most impressed though. While it comes with a micro USB cable, there's also a spot to use a USB C cable to charge the batteries through the cradle. Anything that can reduce the number of cables I have to bring with me is a win in my book. And the charging cradle helpfully has the red and green LED indicator to show when batteries are charging versus full. I much prefer that to the LED on/off style since I can't ever remember which means charging and which means full.
Overall, a solid battery replacement set for anyone still using a sony camera with W batteries.
The batteries themselves fit perfectly and worked the first time reporting their battery percentage. The casing is nice - a touch more texture than my sony batteries but it's a good feeling battery.
The charging cradle is where I'm most impressed though. While it comes with a micro USB cable, there's also a spot to use a USB C cable to charge the batteries through the cradle. Anything that can reduce the number of cables I have to bring with me is a win in my book. And the charging cradle helpfully has the red and green LED indicator to show when batteries are charging versus full. I much prefer that to the LED on/off style since I can't ever remember which means charging and which means full.
Overall, a solid battery replacement set for anyone still using a sony camera with W batteries.
13/07/2025
Verified Purchase
Great product
Great battery life and charges fast
08/07/2025
Excellent for professionals
This is excellent for professionals and hobbyist photographer like me. Charges battery all at once . Does the job perfectly. It fits into the pocket even if the batteries are docked. Easy to carry around. Value for money. 200%
06/07/2025
Rapid charging of two batteries, small and easy to travel with.
Good recharging unit fast and reliable, easy to use.
06/07/2025
Better than I had hoped
Excellent
05/07/2025
Great replacement batteries
Excellent value for money
04/07/2025
FAQs
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Description Of K&F CONCEPT NP-FW50 Battery Charger
Specification
| Camera Battery | |
|---|---|
| Compatible Brand | Sony/NP-FW50 |
| Battery Capacity | 1100MAH |
| Recharging Time (2 Batteries) | 2.5-3h |
| Types of battery | Lithium |
| Charging Port | USB+Type-C |
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