Replaces disposable RCR-V3 Lithium batteries, and two AA NiMH or Alkaline batteries. High performance Li-ion technology with no memory effects. Protection circuits to ensure safe operations. Offers more shots than any AA Ni-MH batteries. Low self discharge rate- will retain 90% of its charge after 30 days sitting idle. Has a Faster flash recovery time than Alkaline, Ni-MH or even standard CR-V3 batteries. Battery: 3.6V, 1300ma.