3.7V 503040 Battery 620mAh for cozmo Vector robot Battery replacement,SkyBell HD WiFi Video Doorbell Flysight FPV wireless speaker battery replacement

Used to replace my Sony XM4’s original battery that suddenly stopped working. Did exactly what I hoped and revived my favourite headphones.

As described used to replace battery in a faulty corsair headset… only negative was battery comes with a connector and i had to solder to the board on the headset but no big deal… battery life much improved

Bought for Anki Vector, Stopped working after 24hrs. Can’t return because you have to cut the wires to solder in to place

Exact replacement and perfect working order

Seems to be a good quality replacement for the original: battery life on headphones lasts much longer as a result.

Great value and price, these battery was in the correct polarisation and fitted my needs

I was suffering with bad battery life, the new one lasts for ages and was pretty easy to install, charging and everything seems to work without issue, and no need for any calibration steps, make sure you remount the temperature sensor properly though!

Doesn't hold charge! Ran down from full charge to 10% next day even when not used. Happened Every time.

Una batería pequeña apta para los robots de Anki Cozmo y Vector. En mi caso fue para un Cozmo al que la batería que venía de fábrica no aguantaba ya la carga y era necesario reemplazarla. La batería viene con un conector JST típico en baterías y un pequeño trozo de tubo termorretráctil (que no utilicé). Buena calidad y mayor capacidad que la batería que venía de fábrica con Cozmo. Eso sí, si os aventuráis a desmontar a Cozmo, tened en cuenta que, aunque es relativamente sencillo, hay que hacerlo con cuidado, y la batería tiene que ser soldada a la placa. En cualquier caso, la batería de momento cumple bastante bien y aún no he tenido que cargarla desde que se la coloqué al robot.

Habe diesen Akku in meinen GPS Tracker eingebaut, ausgetauscht gegen den alten kaputten. Hat gut funktioniert mit den Drähten mit Schrumpfhülle. Alles ok. Jetzt funktioniert der Tracker wieder.

Works great in Cozmo toys. Perfect fit. Installation isn't too hard but does require some time and patience. See the picture here of my son's Cozmo torn down to the point where the battery can be replaced. It looks like a lot of pieces but everything disassembles easily and goes back together pretty easy too. The head is a little tricky as there is a small spring that you have to fight as you put it together, but isn't too hard once you figure it out. Sort of like a puzzle. There is a video on YouTube by John that is super helpful. Just watch that once and you'll have it figured out. The hardest part for most people will be just soldering the wires to the circuit board. This battery comes with a JST plug, but you have to cut that off, strip the wires, and then solder them to the board. It's pretty trivial if you know how to solder, but could trip up people who've never used a soldering iron. You'll need to cut the red wire shorter and leave the black wire longer, since the leads come out the same side of the battery, so it's close to the positive tab on the board, but the negative soldering tab is on the other side. Anyway, so far so good. Cozmo is up and running for last few days now with no issues. Haven't timed the battery life, but so far it lasts longer than my son's interest in it for any given moment. Note that it charges quite fast too. So you can play with this thing off and on all day long as long as you park Cozmo on his home charger between plays. Can recommend this battery. And watch John's tutorial too. Happing fixing!

Buen producto, rapidez en recibir.Usado para un aplique solar exterior.

Used this battery for my PXC 550 II Did need to swap the wires but it works well.