Pack of 8 Wire Lead Battery Storage Box Case Holder for 18650 Button Top Single Battery

I bought these to mount to the side of my gaming headset to replace the tiny battery inside that would complain about being low 3 hours in. A little bit of hot glue, a little bit of solder, and a couple tiny wire holes later and my headset lasts for DAYS.I chose these because of the positive terminal. There's no sharp point on the wire terminal that would tear the wrapper. Every other one I've seen on Amazon had that sharp point.As a bonus, these hold the cell very tightly, but don't require a screwdriver to remove it!Like I said in the title: these are the ones to get.

Useful for powering Arduino and other projects. Two 18650 batteries in series provide about 7.5 volts at a high current and the 18650 batteries can be recharged. This means the project is working at peak power if you charge it before use, and it is easier on the wallet and environment.

Tengo una linterna LED en la que las baterías habían explotado. Así que le adapté unas baterías 18650 que estaba reciclando de unas viejas laptop.Pude adaptar las bases a esa linterna, soldé los terminales y ahora tengo una lámpara con baterías recargables.

Well built but very tight. Secures the battery but maybe a bit too well. Makes removing the battery difficult. Shaving the plastic edges helps make it easier to remove but still holds the battery well.

Fits unprotected 18650 batteries no problem.Ruined the plastic on my Panasonic protected 18650.Like others have said, it’s a tight fit to remove the battery. I recommend slipping something behind the battery as you insert it, so you can pull the battery out easily.

Perfect fit for cell. Wires are thin, but typical. No extra bulk; used to add a much bigger cell to a solar light.

Retains battery well. Only has a single screw hole in the center of the holder. Added additional holes at each end. Will buy again.

Very tight fit I had to use a screwdriver to pry the batteries out. The fit was so tight the battery would not slide easily against the contacts.