I have bought a set of these batteries for a DIY project, due to its reduced size. It have fit perfectly on the room that I have and once tested, they presented a great current availability Buy at AliExpress with cash back US $2.95 20% OFF|3.7V 2200mAh Lithium Li ion 16340 Battery CR123A Rechargeable Batteries 3.7V CR123 for Laser Pen LED Flashlight Cell-in Replacement Batteries from Consumer Electronics on Aliexpress.com | Alibaba Group
3.7V 2200mAh Lithium Li-ion 16340 Battery
I have bought a set of these batteries for a DIY project, due to its reduced size. It have fit perfectly on the room that I have and once tested, they presented a great current availability