This is a 2-pack of SureFire lithium iron phosphate (LFP) 123A rechargeable batteries.

• Rechargeable and reusable 123A lithium primary batteries
• Smart, internal circuitry automatically terminates the charge cycle when cells are at full capacity
• Safety design features provide protection from overcharge, short-circuit, and reverse polarity
• *It should be noted that these LFP rechargeable batteries have less run time than their disposable counterparts