Description 2xAAA Plastic Battery Case 2xAAA Plastic Battery Case Holds two AAA batteries. The 18650 is a very popular rechargeable battery these days.2 x 18650 batteries give 7.4V output We can also fit 4 x CR-123 batteries in this holder. CR-123 lithiums are 3V each, thus 2 of them in series will give you 6V. This becomes very cool, although not rechargeable, will give you a nice 12V battery supply. This is a sturdy 2x 18650 Battery Holder with a tight battery fit so that they will not easily fall out. It comes with leads for easy soldering and connecting to your circuit board.
