The CR123A is a non-rechargeable battery with a long life, small and light with extremely high energy density and very strong pulse charge characteristics.
The 2CR5 is a non-rechargeable battery with a long life, short and light, with extremely high energy density and very strong charge pulse characteristics.
The CR-P2 is a non-rechargeable battery with a long life, short and light, with extremely high energy density and very strong charge pulse characteristics.