warning Misusing or mishandling a lithium-ion battery may cause a FIRE or EXPLOSION which can result in INJURY or DEATH. 
You MUST read the safety warnings and resources before purchasing, using, and/or handling batteries.

Rechargeable lithium-ion 16340 batteries are alternatives to the popular CR123A battery found in high performance flashlights and other devices. Check with device manufacturer before using a 16340 battery in place of CR123A's.