KBT 7.4V 2600mAh Li-ion Rechargeable Battery Pack, Red JST-2P Plug Lithium-ion Batteries for Electronics Products, Toys, Lighting, Bluetooth Equipment Fit for RC Helicopter Car Truck & RC Boats

The batteries worked perfectly as a replacement and they lasted longer the batteries that came with my Rc car. The size fit most of my Rc cars but were to big for one .

These are great batteries, holding up charge well. My pillar lights last through the night now. Highly recommended.

I have a lot of older Bluetooth speakers that couldn't hold a charge for more than an hour or so. The batteries in these devices decline over time and are useless after 2-3 years. My devices had 2000mAh batteries in them so I decided to double the capacity reducing the amount times the device has to be charged. These worked perfectly. The form factor was larger so I had to make a few modifications to accommodate the larger size. I had to extend the wire leading to the battery as the wire on these were two short. This was easily accomplished with a soldering iron and some heat shrink all available on Amazon. Now both devices are working and stay charged about 24 hrs. at half volume. This is a much better option than throwing these speakers away and buying new. Better for the environment and pocketbook if you know a bit about electronics. My biggest question to these Bluetooth speaker manufacturers: Why do you put batteries in these speakers that don't last at least 12 hours? Why don't they use batteries that can be easily replaced like SoundBox? Batteries accessible via a user accessible compartment... It's probably because they want us to buy another one after the life of the battery is exhausted. This is the solution to save them.

So far working great to replace dying battery in solar light. Easy replacement, plug was exact fit.

Works, but doesn't hold charge long.

Appears to be a good battery but I returned it because it did not have the connector that my drone uses. I will reorder and get the correct connector that fits my drone

Fit my Bose Sound Color II perfectly with some soldering. Has better capacity than original and keeps the music going longer. . Just not sure how long the battery will work. Sometimes off brand batteries don’t live long. Time will tell.

My wife's LumaDent dental loupes battery was almost ten years old and no longer holding a charge. I did a quick search and came across this battery. Dimensions were the same as the current battery. I removed the old battery and installed this one. It was a perfect fit. Her dental loupes are brighter than ever.

Me funcionaron muy bien, yo las utilizo para proyectos de robótica educativa