K&F CONCEPT NP-FW50 battery and dual slot battery charger kit for Sony Alpha 7, A7, Alpha 7R, A7R, A7R II, A7 II, A7S, A7S II, A7M2, A7SM2, A7RM2, A5000 A6000 A6300 A6500, a3000 , NEX-3, NEX-3N, NEX-5, NEX-5C, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7

5 112 112 Review(s) kf28.0004
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Brand: K&F Concept
  • K&F Concept K&F Concept Np-Fw50 Battery And Dual Slot Battery Charger Kit For Sony Alpha 7, A7, Alpha 7R, A7R, A7R Ii, A7 Ii, A7S, A7S Ii, A7M2, A7Sm2, A7Rm2, A5000 A6000 A6300 A6500, A3000 , Nex-3, Nex-3N, Nex-5, Nex-5C, Nex-5N, Nex-5R, Nex-5T, N
  • kf28.0004
  • SKU: kf28.0004
  • 26.34
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Features
  • * 【Compatibility】Ireland expected to ship in 2 weeks, other areas normal,K&F CONCEPT's NP-FW50 battery is compatible with Sony cameras that use NP-FW50 battery, such as Sony Alpha 7, A7, Alpha 7R, A7R, A7R II, A7 II, A7S, A7S II, A7M2, A7SM2, A7RM2, A5000 A6000 A6300 A6500, a3000 , 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, etc. (Note: The above are only some of the models listed)
  • * 【Safety】 Using high-quality batteries, strict inspection standards, safe and reliable, rest assured that charging and use, with multiple circuit protection to prevent battery overcharge, over-current protection, over-discharge protection, over-voltage protection, short-circuit protection, over-power protection, high-temperature protection, recovery protection. - Two batteries fully charged at the same time time time: about 2.5h - Operating temperature: less than 60°C.
  • * 【High capacity Long lasting life】2pcs 7.4V 1100mAh high capacity batteries. High-quality cells, CE/RoHS/FCC certified; no memory effect, long-lasting battery life.
  • * 【Convenient and quick】Charging kit includes two 7.4V 1100mAh Sony NP-FW50 replacement batteries and Micro USB/Type C dual interface charger, supports wall charger, car charger or mobile power charging. Easy to carry when you go out and record exciting moments at any time without worrying about power failure.
  • * 【Intelligent charging】LCD dual charger accurately displays the battery charging status, the charging process uses an intelligent chip to better protect the battery; dual-slot charging port can quickly charge two batteries at the same time, greatly saving your time and is the best choice for traveling.
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Comparison
Rating 112 reviews. 146 reviews. 114 reviews. 80 reviews. 156 reviews. 79 reviews.
Price £49.99 £26.34 £46.99 £25.49 £73.99 £42.49 £39.99 £25.49 £67.99 £48.44 £51.99 £42.49
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 (112)
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VIP1
Verified Purchase
5
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.
16/09/2024
VIP2
Verified Purchase
5
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.
Charger accepts both USB C and A types
14/09/2024
VIP3
Verified Purchase
5
Great product
Great battery life and charges fast
Great product
11/09/2024
VIP1
Verified Purchase
5
You Can Never Go Wrong
Works amazing. Fits my Sony A7iii with no issues. They work just like the original Sony batteries. Love these and love that they come with their own charging station. I highly recommend these to anyone.
31/08/2024
VIP2
Verified Purchase
5
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 always need more than one FW50 You always need more than one FW50 You always need more than one FW50 You always need more than one FW50
31/08/2024
VIP1
Verified Purchase
5
Fine batteries when new, but only time will tell
Totally fine, no major complaints off the bat with these. The charger isn't the best design- it only tells you if it's charging or charged, without indication of exactly how charged the batteries are.

Time will tell if the actual batteries hold up- it's been about a month and they haven't gone bad, so at least I didn't get any particularly terrible ones. I had another set from a different brand where one battery took 6 months before it became unusable, and the other battery took a year. Meanwhile my original Sony branded battery is 2 years strong and shows no strange behavior, just *maybe* slightly lower capacity than my newer Sony branded batteries. It seems to be a trend that these non OEM batteries just aren't made with high quality cells, so hopefully K&F Concept's batteries will be a change from that. I've liked K&F's other products, so hopefully these won't be an exception.

I keep all my batteries labeled (A, B, C...) including their first use date, and I evenly cycle between all my batteries (after A is done, I move to B, then C, etc... until looping back to A). That way, none of my batteries get used harder and more often than the others. In turn, that allows me to catch a bad battery early, and know that it wasn't because I used it far more than the others. Hopefully I'll remember to update this when these batteries finally go kaput (or at least start acting funny).
02/09/2023
5
They work and the box charges the original battery
I got this and a battery grip for my Sony a6000. Went on vacation and only shot photos and the batters lasted all day. It was 90degrees outside and no issues.
02/08/2023
5
Rapid charging of two batteries, small and easy to travel with.
Good recharging unit fast and reliable, easy to use.
03/01/2023
4
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%
03/01/2023
5
Amazing value for money
As good as the original and charges from the car!
Perfect
02/01/2023
FAQs
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A
one year 
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A
Battery life varies with different video camera quality settings 
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A
No, it has to be inside the camera to display the battery level 
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A
No, it has to be inside the camera to display the battery level 
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A
The LED light will turn green when there is no battery in the charger or when the battery is fully charged. The LED light will be red while the battery is charging. 
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NP-FW50 battery Set
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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