I recently bought a used Nikon D3300 for use with some AF-P wide angle and telephoto zoom lenses as my older DSLR D7000 will not work with any of these lenses. The OEM battery that came with the D3300 is EN-EL14a and the battery is showing its age. So I ordered these extra batteries and charger set. I really don't need two batteries as I don't use this camera often as I use my other two mirrorless FF and APS-C cameras. But those extra batteries come in handy when I take the camera on vacation and don't have to worry about charging for days.

I have purchased a number of K&F Concept products over the years and they have all been of excellent quality. Those batteries and charger also look great. It came with a charger, two batteries and a generous 3ft charging cable with USB-A and USB-C end connectors. Note, however, that a wall charger is not included in the box. The charger has USB-C and Micro-USB input ports. The batteries were delivered fully charged. The charger works fine, but it has yet to be determined how long it takes to charge either or both dead batteries.

Just like the OEM battery, these batteries can be easily inserted and removed from the camera. Works as expected. These batteries should last a while. One day I'll update this review for the number of shots I get on each full charge. I am happy with this set and given the past history of the products I have owned from K&F Concept I would definitely recommend this set.

I have been using this brand's products for a long time, and I used their battery for the first time. I am very satisfied with it. It also comes with an adapter, and the fact that it charges via Type-C is an added advantage. I highly recommend this product. The customer service was also outstanding.

This combo of charger and batteries is the best! My husband shoots video with A7iii and A7C cameras for different types of events and video content for small business owners, and he's in constant need of an arsenal of batteries ready to use. He goes through batteries very fast. So I ordered this combo to test it out and so far he's been very pleased, especially because they charge pretty fast. That's what he likes the most, and also that they last for at least two consecutive shoots in a day.

The set of a USB charger with 2 batteries

I've been using these batteries in my A9II without any issues, minus the warning at the startup that says I'm using a third-party battery.

For the price, I think this a good value as you're getting two high-capacity batteries and a dual battery charger at more than half the price of an OEM battery. It works as great as the OEM, and I haven't had any issues. One minor thing is I wish it had a battery cover similar to other batteries I've bought in the past, as this is usually how I mark if my battery is freshly charged or needs charging.

I shoot a Sony A7r4 for photo and a bit of video - When I do indoor shoots with a tripod, I use a wired battery adapter. But then there's every other time, which is how I got here.

I've already got a few other pieces of K&F gear which I consider well balanced for quality vs price. Photography has never been inexpensive, so I look for opportunities where I can. Let's dive in.

As of this review, we're at around $50 for this bundle, which is quite drastically lower than the Sony equivalent. Sony gear is quality, yes, and you pay for that, yes, and typically don't regret it, yes. But I have a thing with batteries. I don't want dubious ones, but overpaying for proprietary ones, also nah.

Refer to the photos.

Packaging: perfectly adequate for the contents. No styrofoam. I despise styrofoam. Check.

Included items: some reviewers received type A to micro usb cables. Mine arrived with a type A to usb c. Not sure why, but I'm always glad to get a C these days. The cable isn't fancy. I don't really care. Check.

The batteries themselves: slightly lighter than OEM, build quality, perhaps a negligible tad less. Claim 2280mAh at 7.4v,16.8wh. OEM 2280mAh at 7.2v, 16.4wh. So, on paper that might sound better. It actually isnt. Other reviewers performance notes accurately measure slightly lower runtime. The camera doesn't need 7.4v, those 2280mAh expend quicker for no appreciable gain. However, the difference is minor. Don't worry about it. Instead, appreciate that K&F managed to produce a battery that doesn't throw a warning when you power up the camera, and are forced to "accept the risk". Lots of after-market batteries have that issue, these don't. For me, this is a big plus. Good job K&F.

The charger: light, not robust, but not janky either. The USB options are a compromise. Sony's standard single bay is an AC plug and you get a lot more juice for "quick" charging - It's also a reliable source. USB is more versatile and convenient, but less input. So. 700mA for a single battery, dropping to 500mA for dual. It's gonna be slow, and your USB input, well. Who KNOWS what you're going to try charging with. Something embarrassingly inadequate, perhaps. Anyway, that's the trade-off. I'm fine with it. Observe the difference in size. Do I miss the meter from the OEM? Yeah, somewhat. But the two chargers are interchangeable, I tested that. Cool.

Durability, we'll see. My other K&F gear has held up quite well, I do treat it respectfully and I don't use it all day every day. I'm waxing optimistic.

Conclusion: this bundle is like... Less than a quarter of the OEM price. Haha! Five stars. Hope this review was helpful to you, happy shootin'.

I've been a Sony shooter for years and have always used Sony batteries. I have some K&F Concept filters and accessories, and being very pleased with their quality decided to try these batteries.

The first thing I did was use the supplied charger to give them a full charge. The kit includes a USB type-A to USB-C cable but you need to provide your own wall adapter. For convenience, the charger also has a micro USB port for charging.

The charger only displays RED when the batteries are charging and green when they're fully charged but not the existing charge level. When I put the batteries in my Hahnel charging cube or my Sony charger, they accurately reported their charge level, just as Sony batteries do.

Then cam the camera test - which these passed with flying colors. The camera recognizes the batteries and displays the level of charge remaining.

For less than the price of one single Sony battery, you get two equivalent batteries AND a dual charger that is compact and a great size for traveling.

It's always smart to have spare batteries when you're out shooting, particularly when traveling and this is a very budget-friendly way to make sure you have those extras on hand.

I would highly recommend these to anyone looking to have some extra NP-FZ100 batteries on hand, and I would not hesitate to purchase this again.

This is a strong 5-star product in my opinion.

This K&F Concept USB rechargeable battery and charger is just what you need when you take a lot of pictures. (And it comes with two batteries.)

Today we need batteries to power many of the things we use, and as expensive as they are to buy, we often look for ways to save money without sacrificing quality. With the K&F Concept name, you can be sure that you are getting the best quality while not spending a lot of money.

This charger is for Nikon cameras that use the EN-EL14 model battery. With the USB charging station with 2 battery slots, you can charge both batteries at the same time. The charger can use either a USB-C cable (included) or a micro-USB cable (not included) to charge the batteries.

A red light indicates that the batteries are charging. When it goes out, the batteries are fully charged. (Both batteries charged in about an hour and a half.)

I'm using this with a Nikon D5600 (make sure what model your camera is) and it works perfectly. It's recognized by the camera (some aftermarket batteries won't work) and since each battery is rated at 1050mAh, you're sure to have plenty of backup power on hand.

K&F Concept Dual Slot Charger is a convenient way to charge up to two NP-FZ100 batteries at one time. Before I purchased this charger, I had to attach my camera to a computer via USB to charge the battery (not super convenient as you can imagine).

Now I'm able to continue shooting while the batteries charge. This is really a great deal because you also receive two K&F Concept batteries with the charger. These batteries are better than other non-proprietary batteries I've used in the past.

When you get the package, it has a surprising heft to it. The two batteries came 80% charged and the charger works fine with the OEM pack.

Fit and finish are as good as OEM at a fraction of the price. No issues in camera.

Added bonus: charger accepts USB micro or USB C as input.